1 <?php |
1 <?php |
2 /** |
2 /** |
3 * Dependencies API: WP_Scripts class |
3 * Dependencies API: WP_Scripts class |
4 * |
4 * |
5 * @since 2.6.0 |
5 * This file is deprecated, use 'wp-includes/class-wp-scripts.php' instead. |
6 * |
6 * |
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7 * @deprecated 6.1.0 |
7 * @package WordPress |
8 * @package WordPress |
8 * @subpackage Dependencies |
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9 */ |
9 */ |
10 |
10 |
11 /** |
11 _deprecated_file( basename( __FILE__ ), '6.1.0', WPINC . '/class-wp-scripts.php' ); |
12 * Core class used to register scripts. |
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13 * |
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14 * @since 2.1.0 |
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15 * |
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16 * @see WP_Dependencies |
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17 */ |
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18 class WP_Scripts extends WP_Dependencies { |
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19 /** |
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20 * Base URL for scripts. |
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21 * |
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22 * Full URL with trailing slash. |
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23 * |
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24 * @since 2.6.0 |
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25 * @var string |
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26 */ |
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27 public $base_url; |
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28 |
12 |
29 /** |
13 /** WP_Scripts class */ |
30 * URL of the content directory. |
14 require_once ABSPATH . WPINC . '/class-wp-scripts.php'; |
31 * |
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32 * @since 2.8.0 |
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33 * @var string |
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34 */ |
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35 public $content_url; |
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36 |
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37 /** |
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38 * Default version string for scripts. |
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39 * |
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40 * @since 2.6.0 |
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41 * @var string |
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42 */ |
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43 public $default_version; |
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44 |
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45 /** |
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46 * Holds handles of scripts which are enqueued in footer. |
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47 * |
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48 * @since 2.8.0 |
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49 * @var array |
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50 */ |
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51 public $in_footer = array(); |
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52 |
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53 /** |
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54 * Holds a list of script handles which will be concatenated. |
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55 * |
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56 * @since 2.8.0 |
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57 * @var string |
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58 */ |
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59 public $concat = ''; |
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60 |
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61 /** |
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62 * Holds a string which contains script handles and their version. |
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63 * |
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64 * @since 2.8.0 |
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65 * @deprecated 3.4.0 |
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66 * @var string |
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67 */ |
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68 public $concat_version = ''; |
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69 |
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70 /** |
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71 * Whether to perform concatenation. |
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72 * |
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73 * @since 2.8.0 |
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74 * @var bool |
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75 */ |
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76 public $do_concat = false; |
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77 |
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78 /** |
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79 * Holds HTML markup of scripts and additional data if concatenation |
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80 * is enabled. |
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81 * |
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82 * @since 2.8.0 |
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83 * @var string |
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84 */ |
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85 public $print_html = ''; |
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86 |
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87 /** |
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88 * Holds inline code if concatenation is enabled. |
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89 * |
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90 * @since 2.8.0 |
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91 * @var string |
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92 */ |
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93 public $print_code = ''; |
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94 |
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95 /** |
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96 * Holds a list of script handles which are not in the default directory |
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97 * if concatenation is enabled. |
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98 * |
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99 * Unused in core. |
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100 * |
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101 * @since 2.8.0 |
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102 * @var string |
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103 */ |
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104 public $ext_handles = ''; |
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105 |
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106 /** |
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107 * Holds a string which contains handles and versions of scripts which |
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108 * are not in the default directory if concatenation is enabled. |
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109 * |
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110 * Unused in core. |
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111 * |
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112 * @since 2.8.0 |
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113 * @var string |
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114 */ |
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115 public $ext_version = ''; |
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116 |
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117 /** |
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118 * List of default directories. |
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119 * |
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120 * @since 2.8.0 |
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121 * @var array |
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122 */ |
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123 public $default_dirs; |
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124 |
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125 /** |
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126 * Holds a string which contains the type attribute for script tag. |
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127 * |
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128 * If the active theme does not declare HTML5 support for 'script', |
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129 * then it initializes as `type='text/javascript'`. |
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130 * |
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131 * @since 5.3.0 |
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132 * @var string |
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133 */ |
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134 private $type_attr = ''; |
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135 |
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136 /** |
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137 * Constructor. |
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138 * |
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139 * @since 2.6.0 |
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140 */ |
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141 public function __construct() { |
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142 $this->init(); |
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143 add_action( 'init', array( $this, 'init' ), 0 ); |
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144 } |
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145 |
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146 /** |
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147 * Initialize the class. |
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148 * |
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149 * @since 3.4.0 |
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150 */ |
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151 public function init() { |
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152 if ( |
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153 function_exists( 'is_admin' ) && ! is_admin() |
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154 && |
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155 function_exists( 'current_theme_supports' ) && ! current_theme_supports( 'html5', 'script' ) |
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156 ) { |
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157 $this->type_attr = " type='text/javascript'"; |
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158 } |
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159 |
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160 /** |
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161 * Fires when the WP_Scripts instance is initialized. |
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162 * |
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163 * @since 2.6.0 |
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164 * |
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165 * @param WP_Scripts $wp_scripts WP_Scripts instance (passed by reference). |
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166 */ |
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167 do_action_ref_array( 'wp_default_scripts', array( &$this ) ); |
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168 } |
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169 |
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170 /** |
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171 * Prints scripts. |
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172 * |
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173 * Prints the scripts passed to it or the print queue. Also prints all necessary dependencies. |
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174 * |
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175 * @since 2.1.0 |
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176 * @since 2.8.0 Added the `$group` parameter. |
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177 * |
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178 * @param string|string[]|false $handles Optional. Scripts to be printed: queue (false), |
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179 * single script (string), or multiple scripts (array of strings). |
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180 * Default false. |
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181 * @param int|false $group Optional. Group level: level (int), no groups (false). |
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182 * Default false. |
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183 * @return string[] Handles of scripts that have been printed. |
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184 */ |
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185 public function print_scripts( $handles = false, $group = false ) { |
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186 return $this->do_items( $handles, $group ); |
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187 } |
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188 |
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189 /** |
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190 * Prints extra scripts of a registered script. |
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191 * |
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192 * @since 2.1.0 |
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193 * @since 2.8.0 Added the `$display` parameter. |
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194 * @deprecated 3.3.0 |
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195 * |
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196 * @see print_extra_script() |
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197 * |
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198 * @param string $handle The script's registered handle. |
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199 * @param bool $display Optional. Whether to print the extra script |
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200 * instead of just returning it. Default true. |
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201 * @return bool|string|void Void if no data exists, extra scripts if `$display` is true, |
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202 * true otherwise. |
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203 */ |
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204 public function print_scripts_l10n( $handle, $display = true ) { |
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205 _deprecated_function( __FUNCTION__, '3.3.0', 'WP_Scripts::print_extra_script()' ); |
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206 return $this->print_extra_script( $handle, $display ); |
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207 } |
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208 |
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209 /** |
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210 * Prints extra scripts of a registered script. |
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211 * |
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212 * @since 3.3.0 |
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213 * |
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214 * @param string $handle The script's registered handle. |
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215 * @param bool $display Optional. Whether to print the extra script |
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216 * instead of just returning it. Default true. |
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217 * @return bool|string|void Void if no data exists, extra scripts if `$display` is true, |
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218 * true otherwise. |
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219 */ |
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220 public function print_extra_script( $handle, $display = true ) { |
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221 $output = $this->get_data( $handle, 'data' ); |
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222 if ( ! $output ) { |
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223 return; |
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224 } |
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225 |
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226 if ( ! $display ) { |
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227 return $output; |
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228 } |
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229 |
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230 printf( "<script%s id='%s-js-extra'>\n", $this->type_attr, esc_attr( $handle ) ); |
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231 |
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232 // CDATA is not needed for HTML 5. |
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233 if ( $this->type_attr ) { |
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234 echo "/* <![CDATA[ */\n"; |
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235 } |
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236 |
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237 echo "$output\n"; |
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238 |
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239 if ( $this->type_attr ) { |
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240 echo "/* ]]> */\n"; |
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241 } |
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242 |
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243 echo "</script>\n"; |
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244 |
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245 return true; |
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246 } |
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247 |
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248 /** |
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249 * Processes a script dependency. |
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250 * |
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251 * @since 2.6.0 |
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252 * @since 2.8.0 Added the `$group` parameter. |
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253 * |
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254 * @see WP_Dependencies::do_item() |
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255 * |
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256 * @param string $handle The script's registered handle. |
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257 * @param int|false $group Optional. Group level: level (int), no groups (false). |
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258 * Default false. |
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259 * @return bool True on success, false on failure. |
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260 */ |
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261 public function do_item( $handle, $group = false ) { |
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262 if ( ! parent::do_item( $handle ) ) { |
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263 return false; |
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264 } |
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265 |
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266 if ( 0 === $group && $this->groups[ $handle ] > 0 ) { |
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267 $this->in_footer[] = $handle; |
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268 return false; |
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269 } |
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270 |
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271 if ( false === $group && in_array( $handle, $this->in_footer, true ) ) { |
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272 $this->in_footer = array_diff( $this->in_footer, (array) $handle ); |
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273 } |
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274 |
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275 $obj = $this->registered[ $handle ]; |
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276 |
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277 if ( null === $obj->ver ) { |
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278 $ver = ''; |
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279 } else { |
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280 $ver = $obj->ver ? $obj->ver : $this->default_version; |
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281 } |
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282 |
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283 if ( isset( $this->args[ $handle ] ) ) { |
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284 $ver = $ver ? $ver . '&' . $this->args[ $handle ] : $this->args[ $handle ]; |
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285 } |
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286 |
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287 $src = $obj->src; |
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288 $cond_before = ''; |
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289 $cond_after = ''; |
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290 $conditional = isset( $obj->extra['conditional'] ) ? $obj->extra['conditional'] : ''; |
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291 |
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292 if ( $conditional ) { |
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293 $cond_before = "<!--[if {$conditional}]>\n"; |
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294 $cond_after = "<![endif]-->\n"; |
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295 } |
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296 |
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297 $before_handle = $this->print_inline_script( $handle, 'before', false ); |
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298 $after_handle = $this->print_inline_script( $handle, 'after', false ); |
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299 |
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300 if ( $before_handle ) { |
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301 $before_handle = sprintf( "<script%s id='%s-js-before'>\n%s\n</script>\n", $this->type_attr, esc_attr( $handle ), $before_handle ); |
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302 } |
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303 |
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304 if ( $after_handle ) { |
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305 $after_handle = sprintf( "<script%s id='%s-js-after'>\n%s\n</script>\n", $this->type_attr, esc_attr( $handle ), $after_handle ); |
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306 } |
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307 |
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308 if ( $before_handle || $after_handle ) { |
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309 $inline_script_tag = $cond_before . $before_handle . $after_handle . $cond_after; |
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310 } else { |
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311 $inline_script_tag = ''; |
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312 } |
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313 |
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314 /* |
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315 * Prevent concatenation of scripts if the text domain is defined |
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316 * to ensure the dependency order is respected. |
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317 */ |
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318 $translations_stop_concat = ! empty( $obj->textdomain ); |
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319 |
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320 $translations = $this->print_translations( $handle, false ); |
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321 if ( $translations ) { |
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322 $translations = sprintf( "<script%s id='%s-js-translations'>\n%s\n</script>\n", $this->type_attr, esc_attr( $handle ), $translations ); |
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323 } |
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324 |
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325 if ( $this->do_concat ) { |
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326 /** |
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327 * Filters the script loader source. |
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328 * |
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329 * @since 2.2.0 |
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330 * |
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331 * @param string $src Script loader source path. |
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332 * @param string $handle Script handle. |
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333 */ |
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334 $srce = apply_filters( 'script_loader_src', $src, $handle ); |
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335 |
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336 if ( $this->in_default_dir( $srce ) && ( $before_handle || $after_handle || $translations_stop_concat ) ) { |
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337 $this->do_concat = false; |
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338 |
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339 // Have to print the so-far concatenated scripts right away to maintain the right order. |
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340 _print_scripts(); |
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341 $this->reset(); |
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342 } elseif ( $this->in_default_dir( $srce ) && ! $conditional ) { |
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343 $this->print_code .= $this->print_extra_script( $handle, false ); |
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344 $this->concat .= "$handle,"; |
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345 $this->concat_version .= "$handle$ver"; |
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346 return true; |
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347 } else { |
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348 $this->ext_handles .= "$handle,"; |
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349 $this->ext_version .= "$handle$ver"; |
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350 } |
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351 } |
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352 |
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353 $has_conditional_data = $conditional && $this->get_data( $handle, 'data' ); |
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354 |
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355 if ( $has_conditional_data ) { |
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356 echo $cond_before; |
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357 } |
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358 |
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359 $this->print_extra_script( $handle ); |
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360 |
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361 if ( $has_conditional_data ) { |
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362 echo $cond_after; |
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363 } |
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364 |
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365 // A single item may alias a set of items, by having dependencies, but no source. |
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366 if ( ! $src ) { |
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367 if ( $inline_script_tag ) { |
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368 if ( $this->do_concat ) { |
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369 $this->print_html .= $inline_script_tag; |
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370 } else { |
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371 echo $inline_script_tag; |
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372 } |
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373 } |
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374 |
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375 return true; |
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376 } |
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377 |
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378 if ( ! preg_match( '|^(https?:)?//|', $src ) && ! ( $this->content_url && 0 === strpos( $src, $this->content_url ) ) ) { |
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379 $src = $this->base_url . $src; |
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380 } |
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381 |
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382 if ( ! empty( $ver ) ) { |
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383 $src = add_query_arg( 'ver', $ver, $src ); |
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384 } |
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385 |
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386 /** This filter is documented in wp-includes/class.wp-scripts.php */ |
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387 $src = esc_url( apply_filters( 'script_loader_src', $src, $handle ) ); |
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388 |
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389 if ( ! $src ) { |
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390 return true; |
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391 } |
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392 |
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393 $tag = $translations . $cond_before . $before_handle; |
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394 $tag .= sprintf( "<script%s src='%s' id='%s-js'></script>\n", $this->type_attr, $src, esc_attr( $handle ) ); |
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395 $tag .= $after_handle . $cond_after; |
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396 |
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397 /** |
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398 * Filters the HTML script tag of an enqueued script. |
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399 * |
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400 * @since 4.1.0 |
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401 * |
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402 * @param string $tag The `<script>` tag for the enqueued script. |
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403 * @param string $handle The script's registered handle. |
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404 * @param string $src The script's source URL. |
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405 */ |
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406 $tag = apply_filters( 'script_loader_tag', $tag, $handle, $src ); |
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407 |
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408 if ( $this->do_concat ) { |
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409 $this->print_html .= $tag; |
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410 } else { |
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411 echo $tag; |
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412 } |
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413 |
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414 return true; |
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415 } |
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416 |
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417 /** |
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418 * Adds extra code to a registered script. |
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419 * |
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420 * @since 4.5.0 |
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421 * |
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422 * @param string $handle Name of the script to add the inline script to. |
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423 * Must be lowercase. |
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424 * @param string $data String containing the JavaScript to be added. |
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425 * @param string $position Optional. Whether to add the inline script |
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426 * before the handle or after. Default 'after'. |
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427 * @return bool True on success, false on failure. |
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428 */ |
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429 public function add_inline_script( $handle, $data, $position = 'after' ) { |
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430 if ( ! $data ) { |
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431 return false; |
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432 } |
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433 |
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434 if ( 'after' !== $position ) { |
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435 $position = 'before'; |
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436 } |
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437 |
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438 $script = (array) $this->get_data( $handle, $position ); |
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439 $script[] = $data; |
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440 |
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441 return $this->add_data( $handle, $position, $script ); |
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442 } |
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443 |
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444 /** |
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445 * Prints inline scripts registered for a specific handle. |
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446 * |
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447 * @since 4.5.0 |
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448 * |
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449 * @param string $handle Name of the script to add the inline script to. |
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450 * Must be lowercase. |
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451 * @param string $position Optional. Whether to add the inline script |
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452 * before the handle or after. Default 'after'. |
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453 * @param bool $display Optional. Whether to print the script |
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454 * instead of just returning it. Default true. |
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455 * @return string|false Script on success, false otherwise. |
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456 */ |
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457 public function print_inline_script( $handle, $position = 'after', $display = true ) { |
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458 $output = $this->get_data( $handle, $position ); |
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459 |
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460 if ( empty( $output ) ) { |
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461 return false; |
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462 } |
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463 |
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464 $output = trim( implode( "\n", $output ), "\n" ); |
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465 |
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466 if ( $display ) { |
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467 printf( "<script%s id='%s-js-%s'>\n%s\n</script>\n", $this->type_attr, esc_attr( $handle ), esc_attr( $position ), $output ); |
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468 } |
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469 |
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470 return $output; |
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471 } |
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472 |
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473 /** |
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474 * Localizes a script, only if the script has already been added. |
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475 * |
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476 * @since 2.1.0 |
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477 * |
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478 * @param string $handle Name of the script to attach data to. |
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479 * @param string $object_name Name of the variable that will contain the data. |
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480 * @param array $l10n Array of data to localize. |
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481 * @return bool True on success, false on failure. |
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482 */ |
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483 public function localize( $handle, $object_name, $l10n ) { |
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484 if ( 'jquery' === $handle ) { |
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485 $handle = 'jquery-core'; |
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486 } |
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487 |
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488 if ( is_array( $l10n ) && isset( $l10n['l10n_print_after'] ) ) { // back compat, preserve the code in 'l10n_print_after' if present. |
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489 $after = $l10n['l10n_print_after']; |
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490 unset( $l10n['l10n_print_after'] ); |
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491 } |
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492 |
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493 if ( ! is_array( $l10n ) ) { |
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494 _doing_it_wrong( |
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495 __METHOD__, |
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496 sprintf( |
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497 /* translators: 1: $l10n, 2: wp_add_inline_script() */ |
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498 __( 'The %1$s parameter must be an array. To pass arbitrary data to scripts, use the %2$s function instead.' ), |
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499 '<code>$l10n</code>', |
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500 '<code>wp_add_inline_script()</code>' |
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501 ), |
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502 '5.7.0' |
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503 ); |
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504 } |
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505 |
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506 if ( is_string( $l10n ) ) { |
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507 $l10n = html_entity_decode( $l10n, ENT_QUOTES, 'UTF-8' ); |
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508 } else { |
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509 foreach ( (array) $l10n as $key => $value ) { |
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510 if ( ! is_scalar( $value ) ) { |
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511 continue; |
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512 } |
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513 |
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514 $l10n[ $key ] = html_entity_decode( (string) $value, ENT_QUOTES, 'UTF-8' ); |
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515 } |
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516 } |
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517 |
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518 $script = "var $object_name = " . wp_json_encode( $l10n ) . ';'; |
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519 |
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520 if ( ! empty( $after ) ) { |
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521 $script .= "\n$after;"; |
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522 } |
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523 |
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524 $data = $this->get_data( $handle, 'data' ); |
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525 |
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526 if ( ! empty( $data ) ) { |
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527 $script = "$data\n$script"; |
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528 } |
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529 |
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530 return $this->add_data( $handle, 'data', $script ); |
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531 } |
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532 |
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533 /** |
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534 * Sets handle group. |
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535 * |
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536 * @since 2.8.0 |
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537 * |
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538 * @see WP_Dependencies::set_group() |
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539 * |
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540 * @param string $handle Name of the item. Should be unique. |
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541 * @param bool $recursion Internal flag that calling function was called recursively. |
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542 * @param int|false $group Optional. Group level: level (int), no groups (false). |
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543 * Default false. |
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544 * @return bool Not already in the group or a lower group. |
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545 */ |
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546 public function set_group( $handle, $recursion, $group = false ) { |
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547 if ( isset( $this->registered[ $handle ]->args ) && 1 === $this->registered[ $handle ]->args ) { |
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548 $grp = 1; |
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549 } else { |
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550 $grp = (int) $this->get_data( $handle, 'group' ); |
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551 } |
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552 |
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553 if ( false !== $group && $grp > $group ) { |
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554 $grp = $group; |
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555 } |
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556 |
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557 return parent::set_group( $handle, $recursion, $grp ); |
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558 } |
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559 |
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560 /** |
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561 * Sets a translation textdomain. |
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562 * |
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563 * @since 5.0.0 |
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564 * @since 5.1.0 The `$domain` parameter was made optional. |
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565 * |
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566 * @param string $handle Name of the script to register a translation domain to. |
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567 * @param string $domain Optional. Text domain. Default 'default'. |
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568 * @param string $path Optional. The full file path to the directory containing translation files. |
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569 * @return bool True if the text domain was registered, false if not. |
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570 */ |
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571 public function set_translations( $handle, $domain = 'default', $path = null ) { |
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572 if ( ! isset( $this->registered[ $handle ] ) ) { |
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573 return false; |
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574 } |
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575 |
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576 /** @var \_WP_Dependency $obj */ |
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577 $obj = $this->registered[ $handle ]; |
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578 |
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579 if ( ! in_array( 'wp-i18n', $obj->deps, true ) ) { |
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580 $obj->deps[] = 'wp-i18n'; |
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581 } |
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582 |
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583 return $obj->set_translations( $domain, $path ); |
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584 } |
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585 |
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586 /** |
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587 * Prints translations set for a specific handle. |
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588 * |
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589 * @since 5.0.0 |
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590 * |
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591 * @param string $handle Name of the script to add the inline script to. |
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592 * Must be lowercase. |
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593 * @param bool $display Optional. Whether to print the script |
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594 * instead of just returning it. Default true. |
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595 * @return string|false Script on success, false otherwise. |
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596 */ |
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597 public function print_translations( $handle, $display = true ) { |
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598 if ( ! isset( $this->registered[ $handle ] ) || empty( $this->registered[ $handle ]->textdomain ) ) { |
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599 return false; |
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600 } |
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601 |
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602 $domain = $this->registered[ $handle ]->textdomain; |
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603 $path = $this->registered[ $handle ]->translations_path; |
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604 |
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605 $json_translations = load_script_textdomain( $handle, $domain, $path ); |
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606 |
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607 if ( ! $json_translations ) { |
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608 return false; |
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609 } |
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610 |
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611 $output = <<<JS |
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612 ( function( domain, translations ) { |
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613 var localeData = translations.locale_data[ domain ] || translations.locale_data.messages; |
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614 localeData[""].domain = domain; |
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615 wp.i18n.setLocaleData( localeData, domain ); |
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616 } )( "{$domain}", {$json_translations} ); |
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617 JS; |
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618 |
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619 if ( $display ) { |
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620 printf( "<script%s id='%s-js-translations'>\n%s\n</script>\n", $this->type_attr, esc_attr( $handle ), $output ); |
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621 } |
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622 |
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623 return $output; |
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624 } |
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625 |
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626 /** |
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627 * Determines script dependencies. |
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628 * |
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629 * @since 2.1.0 |
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630 * |
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631 * @see WP_Dependencies::all_deps() |
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632 * |
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633 * @param string|string[] $handles Item handle (string) or item handles (array of strings). |
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634 * @param bool $recursion Optional. Internal flag that function is calling itself. |
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635 * Default false. |
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636 * @param int|false $group Optional. Group level: level (int), no groups (false). |
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637 * Default false. |
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638 * @return bool True on success, false on failure. |
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639 */ |
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640 public function all_deps( $handles, $recursion = false, $group = false ) { |
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641 $r = parent::all_deps( $handles, $recursion, $group ); |
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642 if ( ! $recursion ) { |
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643 /** |
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644 * Filters the list of script dependencies left to print. |
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645 * |
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646 * @since 2.3.0 |
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647 * |
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648 * @param string[] $to_do An array of script dependency handles. |
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649 */ |
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650 $this->to_do = apply_filters( 'print_scripts_array', $this->to_do ); |
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651 } |
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652 return $r; |
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653 } |
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654 |
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655 /** |
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656 * Processes items and dependencies for the head group. |
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657 * |
|
658 * @since 2.8.0 |
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659 * |
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660 * @see WP_Dependencies::do_items() |
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661 * |
|
662 * @return string[] Handles of items that have been processed. |
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663 */ |
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664 public function do_head_items() { |
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665 $this->do_items( false, 0 ); |
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666 return $this->done; |
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667 } |
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668 |
|
669 /** |
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670 * Processes items and dependencies for the footer group. |
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671 * |
|
672 * @since 2.8.0 |
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673 * |
|
674 * @see WP_Dependencies::do_items() |
|
675 * |
|
676 * @return string[] Handles of items that have been processed. |
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677 */ |
|
678 public function do_footer_items() { |
|
679 $this->do_items( false, 1 ); |
|
680 return $this->done; |
|
681 } |
|
682 |
|
683 /** |
|
684 * Whether a handle's source is in a default directory. |
|
685 * |
|
686 * @since 2.8.0 |
|
687 * |
|
688 * @param string $src The source of the enqueued script. |
|
689 * @return bool True if found, false if not. |
|
690 */ |
|
691 public function in_default_dir( $src ) { |
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692 if ( ! $this->default_dirs ) { |
|
693 return true; |
|
694 } |
|
695 |
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696 if ( 0 === strpos( $src, '/' . WPINC . '/js/l10n' ) ) { |
|
697 return false; |
|
698 } |
|
699 |
|
700 foreach ( (array) $this->default_dirs as $test ) { |
|
701 if ( 0 === strpos( $src, $test ) ) { |
|
702 return true; |
|
703 } |
|
704 } |
|
705 return false; |
|
706 } |
|
707 |
|
708 /** |
|
709 * Resets class properties. |
|
710 * |
|
711 * @since 2.8.0 |
|
712 */ |
|
713 public function reset() { |
|
714 $this->do_concat = false; |
|
715 $this->print_code = ''; |
|
716 $this->concat = ''; |
|
717 $this->concat_version = ''; |
|
718 $this->print_html = ''; |
|
719 $this->ext_version = ''; |
|
720 $this->ext_handles = ''; |
|
721 } |
|
722 } |
|