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1 <?php |
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2 /** |
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3 * These functions are needed to load WordPress. |
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4 * |
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5 * @internal This file must be parsable by PHP4. |
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6 * |
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7 * @package WordPress |
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8 */ |
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9 |
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10 /** |
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11 * Turn register globals off. |
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12 * |
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13 * @access private |
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14 * @since 2.1.0 |
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15 * @return null Will return null if register_globals PHP directive was disabled |
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16 */ |
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17 function wp_unregister_GLOBALS() { |
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18 if ( !ini_get( 'register_globals' ) ) |
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19 return; |
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20 |
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21 if ( isset( $_REQUEST['GLOBALS'] ) ) |
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22 die( 'GLOBALS overwrite attempt detected' ); |
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23 |
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24 // Variables that shouldn't be unset |
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25 $no_unset = array( 'GLOBALS', '_GET', '_POST', '_COOKIE', '_REQUEST', '_SERVER', '_ENV', '_FILES', 'table_prefix' ); |
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26 |
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27 $input = array_merge( $_GET, $_POST, $_COOKIE, $_SERVER, $_ENV, $_FILES, isset( $_SESSION ) && is_array( $_SESSION ) ? $_SESSION : array() ); |
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28 foreach ( $input as $k => $v ) |
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29 if ( !in_array( $k, $no_unset ) && isset( $GLOBALS[$k] ) ) { |
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30 unset( $GLOBALS[$k] ); |
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31 } |
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32 } |
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33 |
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34 /** |
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35 * Fix $_SERVER variables for various setups. |
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36 * |
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37 * @access private |
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38 * @since 3.0.0 |
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39 */ |
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40 function wp_fix_server_vars() { |
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41 global $PHP_SELF; |
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42 |
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43 $default_server_values = array( |
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44 'SERVER_SOFTWARE' => '', |
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45 'REQUEST_URI' => '', |
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46 ); |
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47 |
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48 $_SERVER = array_merge( $default_server_values, $_SERVER ); |
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49 |
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50 // Fix for IIS when running with PHP ISAPI |
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51 if ( empty( $_SERVER['REQUEST_URI'] ) || ( php_sapi_name() != 'cgi-fcgi' && preg_match( '/^Microsoft-IIS\//', $_SERVER['SERVER_SOFTWARE'] ) ) ) { |
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52 |
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53 // IIS Mod-Rewrite |
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54 if ( isset( $_SERVER['HTTP_X_ORIGINAL_URL'] ) ) { |
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55 $_SERVER['REQUEST_URI'] = $_SERVER['HTTP_X_ORIGINAL_URL']; |
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56 } |
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57 // IIS Isapi_Rewrite |
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58 else if ( isset( $_SERVER['HTTP_X_REWRITE_URL'] ) ) { |
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59 $_SERVER['REQUEST_URI'] = $_SERVER['HTTP_X_REWRITE_URL']; |
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60 } else { |
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61 // Use ORIG_PATH_INFO if there is no PATH_INFO |
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62 if ( !isset( $_SERVER['PATH_INFO'] ) && isset( $_SERVER['ORIG_PATH_INFO'] ) ) |
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63 $_SERVER['PATH_INFO'] = $_SERVER['ORIG_PATH_INFO']; |
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64 |
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65 // Some IIS + PHP configurations puts the script-name in the path-info (No need to append it twice) |
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66 if ( isset( $_SERVER['PATH_INFO'] ) ) { |
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67 if ( $_SERVER['PATH_INFO'] == $_SERVER['SCRIPT_NAME'] ) |
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68 $_SERVER['REQUEST_URI'] = $_SERVER['PATH_INFO']; |
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69 else |
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70 $_SERVER['REQUEST_URI'] = $_SERVER['SCRIPT_NAME'] . $_SERVER['PATH_INFO']; |
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71 } |
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72 |
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73 // Append the query string if it exists and isn't null |
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74 if ( ! empty( $_SERVER['QUERY_STRING'] ) ) { |
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75 $_SERVER['REQUEST_URI'] .= '?' . $_SERVER['QUERY_STRING']; |
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76 } |
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77 } |
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78 } |
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79 |
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80 // Fix for PHP as CGI hosts that set SCRIPT_FILENAME to something ending in php.cgi for all requests |
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81 if ( isset( $_SERVER['SCRIPT_FILENAME'] ) && ( strpos( $_SERVER['SCRIPT_FILENAME'], 'php.cgi' ) == strlen( $_SERVER['SCRIPT_FILENAME'] ) - 7 ) ) |
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82 $_SERVER['SCRIPT_FILENAME'] = $_SERVER['PATH_TRANSLATED']; |
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83 |
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84 // Fix for Dreamhost and other PHP as CGI hosts |
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85 if ( strpos( $_SERVER['SCRIPT_NAME'], 'php.cgi' ) !== false ) |
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86 unset( $_SERVER['PATH_INFO'] ); |
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87 |
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88 // Fix empty PHP_SELF |
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89 $PHP_SELF = $_SERVER['PHP_SELF']; |
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90 if ( empty( $PHP_SELF ) ) |
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91 $_SERVER['PHP_SELF'] = $PHP_SELF = preg_replace( '/(\?.*)?$/', '', $_SERVER["REQUEST_URI"] ); |
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92 } |
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93 |
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94 /** |
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95 * Check for the required PHP version, and the MySQL extension or a database drop-in. |
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96 * |
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97 * Dies if requirements are not met. |
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98 * |
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99 * @access private |
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100 * @since 3.0.0 |
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101 */ |
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102 function wp_check_php_mysql_versions() { |
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103 global $required_php_version, $wp_version; |
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104 $php_version = phpversion(); |
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105 if ( version_compare( $required_php_version, $php_version, '>' ) ) { |
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106 wp_load_translations_early(); |
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107 die( sprintf( __( 'Your server is running PHP version %1$s but WordPress %2$s requires at least %3$s.' ), $php_version, $wp_version, $required_php_version ) ); |
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108 } |
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109 |
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110 if ( ! extension_loaded( 'mysql' ) && ! file_exists( WP_CONTENT_DIR . '/db.php' ) ) { |
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111 wp_load_translations_early(); |
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112 die( __( 'Your PHP installation appears to be missing the MySQL extension which is required by WordPress.' ) ); |
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113 } |
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114 } |
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115 |
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116 /** |
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117 * Don't load all of WordPress when handling a favicon.ico request. |
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118 * Instead, send the headers for a zero-length favicon and bail. |
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119 * |
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120 * @since 3.0.0 |
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121 */ |
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122 function wp_favicon_request() { |
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123 if ( '/favicon.ico' == $_SERVER['REQUEST_URI'] ) { |
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124 header('Content-Type: image/vnd.microsoft.icon'); |
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125 header('Content-Length: 0'); |
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126 exit; |
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127 } |
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128 } |
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129 |
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130 /** |
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131 * Dies with a maintenance message when conditions are met. |
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132 * |
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133 * Checks for a file in the WordPress root directory named ".maintenance". |
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134 * This file will contain the variable $upgrading, set to the time the file |
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135 * was created. If the file was created less than 10 minutes ago, WordPress |
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136 * enters maintenance mode and displays a message. |
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137 * |
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138 * The default message can be replaced by using a drop-in (maintenance.php in |
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139 * the wp-content directory). |
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140 * |
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141 * @access private |
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142 * @since 3.0.0 |
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143 */ |
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144 function wp_maintenance() { |
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145 if ( !file_exists( ABSPATH . '.maintenance' ) || defined( 'WP_INSTALLING' ) ) |
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146 return; |
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147 |
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148 global $upgrading; |
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149 |
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150 include( ABSPATH . '.maintenance' ); |
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151 // If the $upgrading timestamp is older than 10 minutes, don't die. |
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152 if ( ( time() - $upgrading ) >= 600 ) |
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153 return; |
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154 |
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155 if ( file_exists( WP_CONTENT_DIR . '/maintenance.php' ) ) { |
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156 require_once( WP_CONTENT_DIR . '/maintenance.php' ); |
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157 die(); |
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158 } |
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159 |
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160 wp_load_translations_early(); |
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161 |
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162 $protocol = $_SERVER["SERVER_PROTOCOL"]; |
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163 if ( 'HTTP/1.1' != $protocol && 'HTTP/1.0' != $protocol ) |
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164 $protocol = 'HTTP/1.0'; |
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165 header( "$protocol 503 Service Unavailable", true, 503 ); |
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166 header( 'Content-Type: text/html; charset=utf-8' ); |
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167 header( 'Retry-After: 600' ); |
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168 ?> |
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169 <!DOCTYPE html> |
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170 <html xmlns="http://www.w3.org/1999/xhtml"<?php if ( is_rtl() ) echo ' dir="rtl"'; ?>> |
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171 <head> |
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172 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> |
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173 <title><?php _e( 'Maintenance' ); ?></title> |
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174 |
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175 </head> |
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176 <body> |
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177 <h1><?php _e( 'Briefly unavailable for scheduled maintenance. Check back in a minute.' ); ?></h1> |
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178 </body> |
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179 </html> |
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180 <?php |
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181 die(); |
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182 } |
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183 |
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184 /** |
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185 * PHP 5 standard microtime start capture. |
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186 * |
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187 * @access private |
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188 * @since 0.71 |
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189 * @global float $timestart Seconds from when function is called. |
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190 * @return bool Always returns true. |
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191 */ |
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192 function timer_start() { |
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193 global $timestart; |
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194 $timestart = microtime( true ); |
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195 return true; |
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196 } |
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197 |
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198 /** |
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199 * Return and/or display the time from the page start to when function is called. |
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200 * |
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201 * You can get the results and print them by doing: |
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202 * <code> |
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203 * $nTimePageTookToExecute = timer_stop(); |
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204 * echo $nTimePageTookToExecute; |
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205 * </code> |
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206 * |
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207 * Or instead, you can do: |
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208 * <code> |
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209 * timer_stop(1); |
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210 * </code> |
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211 * which will do what the above does. If you need the result, you can assign it to a variable, but |
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212 * in most cases, you only need to echo it. |
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213 * |
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214 * @since 0.71 |
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215 * @global float $timestart Seconds from when timer_start() is called |
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216 * @global float $timeend Seconds from when function is called |
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217 * |
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218 * @param int $display Use '0' or null to not echo anything and 1 to echo the total time |
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219 * @param int $precision The amount of digits from the right of the decimal to display. Default is 3. |
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220 * @return float The "second.microsecond" finished time calculation |
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221 */ |
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222 function timer_stop( $display = 0, $precision = 3 ) { // if called like timer_stop(1), will echo $timetotal |
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223 global $timestart, $timeend; |
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224 $timeend = microtime( true ); |
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225 $timetotal = $timeend - $timestart; |
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226 $r = ( function_exists( 'number_format_i18n' ) ) ? number_format_i18n( $timetotal, $precision ) : number_format( $timetotal, $precision ); |
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227 if ( $display ) |
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228 echo $r; |
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229 return $r; |
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230 } |
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231 |
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232 /** |
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233 * Sets PHP error handling and handles WordPress debug mode. |
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234 * |
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235 * Uses three constants: WP_DEBUG, WP_DEBUG_DISPLAY, and WP_DEBUG_LOG. All three can be |
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236 * defined in wp-config.php. Example: <code> define( 'WP_DEBUG', true ); </code> |
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237 * |
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238 * WP_DEBUG_DISPLAY and WP_DEBUG_LOG perform no function unless WP_DEBUG is true. |
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239 * WP_DEBUG defaults to false. |
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240 * |
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241 * When WP_DEBUG is true, all PHP notices are reported. WordPress will also display |
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242 * notices, including one when a deprecated WordPress function, function argument, |
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243 * or file is used. Deprecated code may be removed from a later version. |
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244 * |
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245 * It is strongly recommended that plugin and theme developers use WP_DEBUG in their |
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246 * development environments. |
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247 * |
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248 * When WP_DEBUG_DISPLAY is true, WordPress will force errors to be displayed. |
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249 * WP_DEBUG_DISPLAY defaults to true. Defining it as null prevents WordPress from |
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250 * changing the global configuration setting. Defining WP_DEBUG_DISPLAY as false |
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251 * will force errors to be hidden. |
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252 * |
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253 * When WP_DEBUG_LOG is true, errors will be logged to wp-content/debug.log. |
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254 * WP_DEBUG_LOG defaults to false. |
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255 * |
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256 * Errors are never displayed for XML-RPC requests. |
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257 * |
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258 * @access private |
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259 * @since 3.0.0 |
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260 */ |
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261 function wp_debug_mode() { |
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262 if ( WP_DEBUG ) { |
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263 error_reporting( E_ALL ); |
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264 |
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265 if ( WP_DEBUG_DISPLAY ) |
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266 ini_set( 'display_errors', 1 ); |
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267 elseif ( null !== WP_DEBUG_DISPLAY ) |
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268 ini_set( 'display_errors', 0 ); |
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269 |
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270 if ( WP_DEBUG_LOG ) { |
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271 ini_set( 'log_errors', 1 ); |
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272 ini_set( 'error_log', WP_CONTENT_DIR . '/debug.log' ); |
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273 } |
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274 } else { |
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275 error_reporting( E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING | E_RECOVERABLE_ERROR ); |
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276 } |
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277 if ( defined( 'XMLRPC_REQUEST' ) ) |
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278 ini_set( 'display_errors', 0 ); |
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279 } |
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280 |
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281 /** |
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282 * Sets the location of the language directory. |
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283 * |
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284 * To set directory manually, define <code>WP_LANG_DIR</code> in wp-config.php. |
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285 * |
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286 * If the language directory exists within WP_CONTENT_DIR, that is used. |
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287 * Otherwise if the language directory exists within WPINC, that's used. |
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288 * Finally, if neither of the preceding directories are found, |
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289 * WP_CONTENT_DIR/languages is used. |
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290 * |
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291 * The WP_LANG_DIR constant was introduced in 2.1.0. |
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292 * |
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293 * @access private |
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294 * @since 3.0.0 |
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295 */ |
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296 function wp_set_lang_dir() { |
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297 if ( !defined( 'WP_LANG_DIR' ) ) { |
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298 if ( file_exists( WP_CONTENT_DIR . '/languages' ) && @is_dir( WP_CONTENT_DIR . '/languages' ) || !@is_dir(ABSPATH . WPINC . '/languages') ) { |
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299 define( 'WP_LANG_DIR', WP_CONTENT_DIR . '/languages' ); // no leading slash, no trailing slash, full path, not relative to ABSPATH |
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300 if ( !defined( 'LANGDIR' ) ) { |
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301 // Old static relative path maintained for limited backwards compatibility - won't work in some cases |
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302 define( 'LANGDIR', 'wp-content/languages' ); |
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303 } |
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304 } else { |
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305 define( 'WP_LANG_DIR', ABSPATH . WPINC . '/languages' ); // no leading slash, no trailing slash, full path, not relative to ABSPATH |
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306 if ( !defined( 'LANGDIR' ) ) { |
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307 // Old relative path maintained for backwards compatibility |
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308 define( 'LANGDIR', WPINC . '/languages' ); |
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309 } |
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310 } |
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311 } |
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312 } |
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313 |
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314 /** |
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315 * Load the correct database class file. |
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316 * |
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317 * This function is used to load the database class file either at runtime or by |
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318 * wp-admin/setup-config.php. We must globalize $wpdb to ensure that it is |
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319 * defined globally by the inline code in wp-db.php. |
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320 * |
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321 * @since 2.5.0 |
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322 * @global $wpdb WordPress Database Object |
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323 */ |
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324 function require_wp_db() { |
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325 global $wpdb; |
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326 |
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327 require_once( ABSPATH . WPINC . '/wp-db.php' ); |
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328 if ( file_exists( WP_CONTENT_DIR . '/db.php' ) ) |
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329 require_once( WP_CONTENT_DIR . '/db.php' ); |
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330 |
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331 if ( isset( $wpdb ) ) |
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332 return; |
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333 |
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334 $wpdb = new wpdb( DB_USER, DB_PASSWORD, DB_NAME, DB_HOST ); |
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335 } |
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336 |
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337 /** |
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338 * Sets the database table prefix and the format specifiers for database table columns. |
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339 * |
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340 * Columns not listed here default to %s. |
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341 * |
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342 * @see wpdb::$field_types Since 2.8.0 |
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343 * @see wpdb::prepare() |
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344 * @see wpdb::insert() |
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345 * @see wpdb::update() |
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346 * @see wpdb::set_prefix() |
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347 * |
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348 * @access private |
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349 * @since 3.0.0 |
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350 */ |
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351 function wp_set_wpdb_vars() { |
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352 global $wpdb, $table_prefix; |
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353 if ( !empty( $wpdb->error ) ) |
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354 dead_db(); |
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355 |
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356 $wpdb->field_types = array( 'post_author' => '%d', 'post_parent' => '%d', 'menu_order' => '%d', 'term_id' => '%d', 'term_group' => '%d', 'term_taxonomy_id' => '%d', |
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357 'parent' => '%d', 'count' => '%d','object_id' => '%d', 'term_order' => '%d', 'ID' => '%d', 'comment_ID' => '%d', 'comment_post_ID' => '%d', 'comment_parent' => '%d', |
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358 'user_id' => '%d', 'link_id' => '%d', 'link_owner' => '%d', 'link_rating' => '%d', 'option_id' => '%d', 'blog_id' => '%d', 'meta_id' => '%d', 'post_id' => '%d', |
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359 'user_status' => '%d', 'umeta_id' => '%d', 'comment_karma' => '%d', 'comment_count' => '%d', |
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360 // multisite: |
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361 'active' => '%d', 'cat_id' => '%d', 'deleted' => '%d', 'lang_id' => '%d', 'mature' => '%d', 'public' => '%d', 'site_id' => '%d', 'spam' => '%d', |
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362 ); |
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363 |
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364 $prefix = $wpdb->set_prefix( $table_prefix ); |
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365 |
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366 if ( is_wp_error( $prefix ) ) { |
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367 wp_load_translations_early(); |
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368 wp_die( __( '<strong>ERROR</strong>: <code>$table_prefix</code> in <code>wp-config.php</code> can only contain numbers, letters, and underscores.' ) ); |
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369 } |
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370 } |
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371 |
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372 /** |
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373 * Access/Modify private global variable $_wp_using_ext_object_cache |
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374 * |
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375 * Toggle $_wp_using_ext_object_cache on and off without directly touching global |
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376 * |
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377 * @since 3.7.0 |
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378 * |
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379 * @param bool $using Whether external object cache is being used |
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380 * @return bool The current 'using' setting |
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381 */ |
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382 function wp_using_ext_object_cache( $using = null ) { |
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383 global $_wp_using_ext_object_cache; |
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384 $current_using = $_wp_using_ext_object_cache; |
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385 if ( null !== $using ) |
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386 $_wp_using_ext_object_cache = $using; |
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387 return $current_using; |
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388 } |
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389 |
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390 /** |
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391 * Starts the WordPress object cache. |
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392 * |
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393 * If an object-cache.php file exists in the wp-content directory, |
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394 * it uses that drop-in as an external object cache. |
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395 * |
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396 * @access private |
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397 * @since 3.0.0 |
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398 */ |
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399 function wp_start_object_cache() { |
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400 global $blog_id; |
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401 |
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402 $first_init = false; |
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403 if ( ! function_exists( 'wp_cache_init' ) ) { |
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404 if ( file_exists( WP_CONTENT_DIR . '/object-cache.php' ) ) { |
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405 require_once ( WP_CONTENT_DIR . '/object-cache.php' ); |
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406 if ( function_exists( 'wp_cache_init' ) ) |
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407 wp_using_ext_object_cache( true ); |
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408 } |
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409 |
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410 $first_init = true; |
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411 } else if ( ! wp_using_ext_object_cache() && file_exists( WP_CONTENT_DIR . '/object-cache.php' ) ) { |
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412 // Sometimes advanced-cache.php can load object-cache.php before it is loaded here. |
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413 // This breaks the function_exists check above and can result in $_wp_using_ext_object_cache |
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414 // being set incorrectly. Double check if an external cache exists. |
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415 wp_using_ext_object_cache( true ); |
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416 } |
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417 |
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418 if ( ! wp_using_ext_object_cache() ) |
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419 require_once ( ABSPATH . WPINC . '/cache.php' ); |
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420 |
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421 // If cache supports reset, reset instead of init if already initialized. |
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422 // Reset signals to the cache that global IDs have changed and it may need to update keys |
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423 // and cleanup caches. |
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424 if ( ! $first_init && function_exists( 'wp_cache_switch_to_blog' ) ) |
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425 wp_cache_switch_to_blog( $blog_id ); |
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426 elseif ( function_exists( 'wp_cache_init' ) ) |
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427 wp_cache_init(); |
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428 |
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429 if ( function_exists( 'wp_cache_add_global_groups' ) ) { |
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430 wp_cache_add_global_groups( array( 'users', 'userlogins', 'usermeta', 'user_meta', 'site-transient', 'site-options', 'site-lookup', 'blog-lookup', 'blog-details', 'rss', 'global-posts', 'blog-id-cache' ) ); |
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431 wp_cache_add_non_persistent_groups( array( 'comment', 'counts', 'plugins' ) ); |
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432 } |
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433 } |
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434 |
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435 /** |
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436 * Redirects to the installer if WordPress is not installed. |
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437 * |
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438 * Dies with an error message when multisite is enabled. |
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439 * |
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440 * @access private |
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441 * @since 3.0.0 |
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442 */ |
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443 function wp_not_installed() { |
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444 if ( is_multisite() ) { |
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445 if ( ! is_blog_installed() && ! defined( 'WP_INSTALLING' ) ) |
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446 wp_die( __( 'The site you have requested is not installed properly. Please contact the system administrator.' ) ); |
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447 } elseif ( ! is_blog_installed() && false === strpos( $_SERVER['PHP_SELF'], 'install.php' ) && !defined( 'WP_INSTALLING' ) ) { |
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448 require( ABSPATH . WPINC . '/kses.php' ); |
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449 require( ABSPATH . WPINC . '/pluggable.php' ); |
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450 require( ABSPATH . WPINC . '/formatting.php' ); |
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451 |
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452 $link = wp_guess_url() . '/wp-admin/install.php'; |
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453 |
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454 wp_redirect( $link ); |
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455 die(); |
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456 } |
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457 } |
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458 |
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459 /** |
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460 * Returns array of must-use plugin files to be included in global scope. |
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461 * |
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462 * The default directory is wp-content/mu-plugins. To change the default directory |
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463 * manually, define <code>WPMU_PLUGIN_DIR</code> and <code>WPMU_PLUGIN_URL</code> |
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464 * in wp-config.php. |
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465 * |
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466 * @access private |
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467 * @since 3.0.0 |
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468 * @return array Files to include |
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469 */ |
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470 function wp_get_mu_plugins() { |
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471 $mu_plugins = array(); |
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472 if ( !is_dir( WPMU_PLUGIN_DIR ) ) |
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473 return $mu_plugins; |
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474 if ( ! $dh = opendir( WPMU_PLUGIN_DIR ) ) |
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475 return $mu_plugins; |
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476 while ( ( $plugin = readdir( $dh ) ) !== false ) { |
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477 if ( substr( $plugin, -4 ) == '.php' ) |
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478 $mu_plugins[] = WPMU_PLUGIN_DIR . '/' . $plugin; |
|
479 } |
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480 closedir( $dh ); |
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481 sort( $mu_plugins ); |
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482 |
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483 return $mu_plugins; |
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484 } |
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485 |
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486 /** |
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487 * Returns array of plugin files to be included in global scope. |
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488 * |
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489 * The default directory is wp-content/plugins. To change the default directory |
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490 * manually, define <code>WP_PLUGIN_DIR</code> and <code>WP_PLUGIN_URL</code> |
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491 * in wp-config.php. |
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492 * |
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493 * @access private |
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494 * @since 3.0.0 |
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495 * @return array Files to include |
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496 */ |
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497 function wp_get_active_and_valid_plugins() { |
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498 $plugins = array(); |
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499 $active_plugins = (array) get_option( 'active_plugins', array() ); |
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500 |
|
501 // Check for hacks file if the option is enabled |
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502 if ( get_option( 'hack_file' ) && file_exists( ABSPATH . 'my-hacks.php' ) ) { |
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503 _deprecated_file( 'my-hacks.php', '1.5' ); |
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504 array_unshift( $plugins, ABSPATH . 'my-hacks.php' ); |
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505 } |
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506 |
|
507 if ( empty( $active_plugins ) || defined( 'WP_INSTALLING' ) ) |
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508 return $plugins; |
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509 |
|
510 $network_plugins = is_multisite() ? wp_get_active_network_plugins() : false; |
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511 |
|
512 foreach ( $active_plugins as $plugin ) { |
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513 if ( ! validate_file( $plugin ) // $plugin must validate as file |
|
514 && '.php' == substr( $plugin, -4 ) // $plugin must end with '.php' |
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515 && file_exists( WP_PLUGIN_DIR . '/' . $plugin ) // $plugin must exist |
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516 // not already included as a network plugin |
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517 && ( ! $network_plugins || ! in_array( WP_PLUGIN_DIR . '/' . $plugin, $network_plugins ) ) |
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518 ) |
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519 $plugins[] = WP_PLUGIN_DIR . '/' . $plugin; |
|
520 } |
|
521 return $plugins; |
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522 } |
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523 |
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524 /** |
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525 * Sets internal encoding using mb_internal_encoding(). |
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526 * |
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527 * In most cases the default internal encoding is latin1, which is of no use, |
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528 * since we want to use the mb_ functions for utf-8 strings. |
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529 * |
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530 * @access private |
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531 * @since 3.0.0 |
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532 */ |
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533 function wp_set_internal_encoding() { |
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534 if ( function_exists( 'mb_internal_encoding' ) ) { |
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535 $charset = get_option( 'blog_charset' ); |
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536 if ( ! $charset || ! @mb_internal_encoding( $charset ) ) |
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537 mb_internal_encoding( 'UTF-8' ); |
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538 } |
|
539 } |
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540 |
|
541 /** |
|
542 * Add magic quotes to $_GET, $_POST, $_COOKIE, and $_SERVER. |
|
543 * |
|
544 * Also forces $_REQUEST to be $_GET + $_POST. If $_SERVER, $_COOKIE, |
|
545 * or $_ENV are needed, use those superglobals directly. |
|
546 * |
|
547 * @access private |
|
548 * @since 3.0.0 |
|
549 */ |
|
550 function wp_magic_quotes() { |
|
551 // If already slashed, strip. |
|
552 if ( get_magic_quotes_gpc() ) { |
|
553 $_GET = stripslashes_deep( $_GET ); |
|
554 $_POST = stripslashes_deep( $_POST ); |
|
555 $_COOKIE = stripslashes_deep( $_COOKIE ); |
|
556 } |
|
557 |
|
558 // Escape with wpdb. |
|
559 $_GET = add_magic_quotes( $_GET ); |
|
560 $_POST = add_magic_quotes( $_POST ); |
|
561 $_COOKIE = add_magic_quotes( $_COOKIE ); |
|
562 $_SERVER = add_magic_quotes( $_SERVER ); |
|
563 |
|
564 // Force REQUEST to be GET + POST. |
|
565 $_REQUEST = array_merge( $_GET, $_POST ); |
|
566 } |
|
567 |
|
568 /** |
|
569 * Runs just before PHP shuts down execution. |
|
570 * |
|
571 * @access private |
|
572 * @since 1.2.0 |
|
573 */ |
|
574 function shutdown_action_hook() { |
|
575 /** |
|
576 * Fires just before PHP shuts down execution. |
|
577 * |
|
578 * @since 1.2.0 |
|
579 */ |
|
580 do_action( 'shutdown' ); |
|
581 wp_cache_close(); |
|
582 } |
|
583 |
|
584 /** |
|
585 * Copy an object. |
|
586 * |
|
587 * @since 2.7.0 |
|
588 * @deprecated 3.2 |
|
589 * |
|
590 * @param object $object The object to clone |
|
591 * @return object The cloned object |
|
592 */ |
|
593 |
|
594 function wp_clone( $object ) { |
|
595 // Use parens for clone to accommodate PHP 4. See #17880 |
|
596 return clone( $object ); |
|
597 } |
|
598 |
|
599 /** |
|
600 * Whether the current request is for a network or blog admin page |
|
601 * |
|
602 * Does not inform on whether the user is an admin! Use capability checks to |
|
603 * tell if the user should be accessing a section or not. |
|
604 * |
|
605 * @since 1.5.1 |
|
606 * |
|
607 * @return bool True if inside WordPress administration pages. |
|
608 */ |
|
609 function is_admin() { |
|
610 if ( isset( $GLOBALS['current_screen'] ) ) |
|
611 return $GLOBALS['current_screen']->in_admin(); |
|
612 elseif ( defined( 'WP_ADMIN' ) ) |
|
613 return WP_ADMIN; |
|
614 |
|
615 return false; |
|
616 } |
|
617 |
|
618 /** |
|
619 * Whether the current request is for a blog admin screen /wp-admin/ |
|
620 * |
|
621 * Does not inform on whether the user is a blog admin! Use capability checks to |
|
622 * tell if the user should be accessing a section or not. |
|
623 * |
|
624 * @since 3.1.0 |
|
625 * |
|
626 * @return bool True if inside WordPress network administration pages. |
|
627 */ |
|
628 function is_blog_admin() { |
|
629 if ( isset( $GLOBALS['current_screen'] ) ) |
|
630 return $GLOBALS['current_screen']->in_admin( 'site' ); |
|
631 elseif ( defined( 'WP_BLOG_ADMIN' ) ) |
|
632 return WP_BLOG_ADMIN; |
|
633 |
|
634 return false; |
|
635 } |
|
636 |
|
637 /** |
|
638 * Whether the current request is for a network admin screen /wp-admin/network/ |
|
639 * |
|
640 * Does not inform on whether the user is a network admin! Use capability checks to |
|
641 * tell if the user should be accessing a section or not. |
|
642 * |
|
643 * @since 3.1.0 |
|
644 * |
|
645 * @return bool True if inside WordPress network administration pages. |
|
646 */ |
|
647 function is_network_admin() { |
|
648 if ( isset( $GLOBALS['current_screen'] ) ) |
|
649 return $GLOBALS['current_screen']->in_admin( 'network' ); |
|
650 elseif ( defined( 'WP_NETWORK_ADMIN' ) ) |
|
651 return WP_NETWORK_ADMIN; |
|
652 |
|
653 return false; |
|
654 } |
|
655 |
|
656 /** |
|
657 * Whether the current request is for a user admin screen /wp-admin/user/ |
|
658 * |
|
659 * Does not inform on whether the user is an admin! Use capability checks to |
|
660 * tell if the user should be accessing a section or not. |
|
661 * |
|
662 * @since 3.1.0 |
|
663 * |
|
664 * @return bool True if inside WordPress user administration pages. |
|
665 */ |
|
666 function is_user_admin() { |
|
667 if ( isset( $GLOBALS['current_screen'] ) ) |
|
668 return $GLOBALS['current_screen']->in_admin( 'user' ); |
|
669 elseif ( defined( 'WP_USER_ADMIN' ) ) |
|
670 return WP_USER_ADMIN; |
|
671 |
|
672 return false; |
|
673 } |
|
674 |
|
675 /** |
|
676 * Whether Multisite support is enabled |
|
677 * |
|
678 * @since 3.0.0 |
|
679 * |
|
680 * @return bool True if multisite is enabled, false otherwise. |
|
681 */ |
|
682 function is_multisite() { |
|
683 if ( defined( 'MULTISITE' ) ) |
|
684 return MULTISITE; |
|
685 |
|
686 if ( defined( 'SUBDOMAIN_INSTALL' ) || defined( 'VHOST' ) || defined( 'SUNRISE' ) ) |
|
687 return true; |
|
688 |
|
689 return false; |
|
690 } |
|
691 |
|
692 /** |
|
693 * Retrieve the current blog id |
|
694 * |
|
695 * @since 3.1.0 |
|
696 * |
|
697 * @return int Blog id |
|
698 */ |
|
699 function get_current_blog_id() { |
|
700 global $blog_id; |
|
701 return absint($blog_id); |
|
702 } |
|
703 |
|
704 /** |
|
705 * Attempts an early load of translations. |
|
706 * |
|
707 * Used for errors encountered during the initial loading process, before the locale has been |
|
708 * properly detected and loaded. |
|
709 * |
|
710 * Designed for unusual load sequences (like setup-config.php) or for when the script will then |
|
711 * terminate with an error, otherwise there is a risk that a file can be double-included. |
|
712 * |
|
713 * @since 3.4.0 |
|
714 * @access private |
|
715 */ |
|
716 function wp_load_translations_early() { |
|
717 global $text_direction, $wp_locale; |
|
718 |
|
719 static $loaded = false; |
|
720 if ( $loaded ) |
|
721 return; |
|
722 $loaded = true; |
|
723 |
|
724 if ( function_exists( 'did_action' ) && did_action( 'init' ) ) |
|
725 return; |
|
726 |
|
727 // We need $wp_local_package |
|
728 require ABSPATH . WPINC . '/version.php'; |
|
729 |
|
730 // Translation and localization |
|
731 require_once ABSPATH . WPINC . '/pomo/mo.php'; |
|
732 require_once ABSPATH . WPINC . '/l10n.php'; |
|
733 require_once ABSPATH . WPINC . '/locale.php'; |
|
734 |
|
735 // General libraries |
|
736 require_once ABSPATH . WPINC . '/plugin.php'; |
|
737 |
|
738 $locales = $locations = array(); |
|
739 |
|
740 while ( true ) { |
|
741 if ( defined( 'WPLANG' ) ) { |
|
742 if ( '' == WPLANG ) |
|
743 break; |
|
744 $locales[] = WPLANG; |
|
745 } |
|
746 |
|
747 if ( isset( $wp_local_package ) ) |
|
748 $locales[] = $wp_local_package; |
|
749 |
|
750 if ( ! $locales ) |
|
751 break; |
|
752 |
|
753 if ( defined( 'WP_LANG_DIR' ) && @is_dir( WP_LANG_DIR ) ) |
|
754 $locations[] = WP_LANG_DIR; |
|
755 |
|
756 if ( defined( 'WP_CONTENT_DIR' ) && @is_dir( WP_CONTENT_DIR . '/languages' ) ) |
|
757 $locations[] = WP_CONTENT_DIR . '/languages'; |
|
758 |
|
759 if ( @is_dir( ABSPATH . 'wp-content/languages' ) ) |
|
760 $locations[] = ABSPATH . 'wp-content/languages'; |
|
761 |
|
762 if ( @is_dir( ABSPATH . WPINC . '/languages' ) ) |
|
763 $locations[] = ABSPATH . WPINC . '/languages'; |
|
764 |
|
765 if ( ! $locations ) |
|
766 break; |
|
767 |
|
768 $locations = array_unique( $locations ); |
|
769 |
|
770 foreach ( $locales as $locale ) { |
|
771 foreach ( $locations as $location ) { |
|
772 if ( file_exists( $location . '/' . $locale . '.mo' ) ) { |
|
773 load_textdomain( 'default', $location . '/' . $locale . '.mo' ); |
|
774 if ( defined( 'WP_SETUP_CONFIG' ) && file_exists( $location . '/admin-' . $locale . '.mo' ) ) |
|
775 load_textdomain( 'default', $location . '/admin-' . $locale . '.mo' ); |
|
776 break 2; |
|
777 } |
|
778 } |
|
779 } |
|
780 |
|
781 break; |
|
782 } |
|
783 |
|
784 $wp_locale = new WP_Locale(); |
|
785 } |