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1 <?php |
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2 /** |
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3 * Sets up the default filters and actions for most |
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4 * of the WordPress hooks. |
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5 * |
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6 * If you need to remove a default hook, this file will |
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7 * give you the priority for which to use to remove the |
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8 * hook. |
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9 * |
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10 * Not all of the default hooks are found in default-filters.php |
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11 * |
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12 * @package WordPress |
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13 */ |
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14 |
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15 // Strip, trim, kses, special chars for string saves |
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16 foreach ( array( 'pre_term_name', 'pre_comment_author_name', 'pre_link_name', 'pre_link_target', 'pre_link_rel', 'pre_user_display_name', 'pre_user_first_name', 'pre_user_last_name', 'pre_user_nickname' ) as $filter ) { |
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17 add_filter( $filter, 'sanitize_text_field' ); |
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18 add_filter( $filter, 'wp_filter_kses' ); |
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19 add_filter( $filter, '_wp_specialchars', 30 ); |
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20 } |
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21 |
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22 // Strip, kses, special chars for string display |
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23 foreach ( array( 'term_name', 'comment_author_name', 'link_name', 'link_target', 'link_rel', 'user_display_name', 'user_first_name', 'user_last_name', 'user_nickname' ) as $filter ) { |
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24 if ( is_admin() ) { |
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25 // These are expensive. Run only on admin pages for defense in depth. |
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26 add_filter( $filter, 'sanitize_text_field' ); |
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27 add_filter( $filter, 'wp_kses_data' ); |
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28 } |
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29 add_filter( $filter, '_wp_specialchars', 30 ); |
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30 } |
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31 |
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32 // Kses only for textarea saves |
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33 foreach ( array( 'pre_term_description', 'pre_link_description', 'pre_link_notes', 'pre_user_description' ) as $filter ) { |
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34 add_filter( $filter, 'wp_filter_kses' ); |
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35 } |
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36 |
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37 // Kses only for textarea admin displays |
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38 if ( is_admin() ) { |
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39 foreach ( array( 'term_description', 'link_description', 'link_notes', 'user_description' ) as $filter ) { |
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40 add_filter( $filter, 'wp_kses_data' ); |
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41 } |
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42 add_filter( 'comment_text', 'wp_kses_post' ); |
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43 } |
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44 |
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45 // Email saves |
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46 foreach ( array( 'pre_comment_author_email', 'pre_user_email' ) as $filter ) { |
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47 add_filter( $filter, 'trim' ); |
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48 add_filter( $filter, 'sanitize_email' ); |
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49 add_filter( $filter, 'wp_filter_kses' ); |
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50 } |
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51 |
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52 // Email admin display |
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53 foreach ( array( 'comment_author_email', 'user_email' ) as $filter ) { |
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54 add_filter( $filter, 'sanitize_email' ); |
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55 if ( is_admin() ) |
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56 add_filter( $filter, 'wp_kses_data' ); |
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57 } |
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58 |
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59 // Save URL |
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60 foreach ( array( 'pre_comment_author_url', 'pre_user_url', 'pre_link_url', 'pre_link_image', |
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61 'pre_link_rss', 'pre_post_guid' ) as $filter ) { |
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62 add_filter( $filter, 'wp_strip_all_tags' ); |
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63 add_filter( $filter, 'esc_url_raw' ); |
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64 add_filter( $filter, 'wp_filter_kses' ); |
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65 } |
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66 |
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67 // Display URL |
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68 foreach ( array( 'user_url', 'link_url', 'link_image', 'link_rss', 'comment_url', 'post_guid' ) as $filter ) { |
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69 if ( is_admin() ) |
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70 add_filter( $filter, 'wp_strip_all_tags' ); |
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71 add_filter( $filter, 'esc_url' ); |
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72 if ( is_admin() ) |
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73 add_filter( $filter, 'wp_kses_data' ); |
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74 } |
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75 |
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76 // Slugs |
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77 add_filter( 'pre_term_slug', 'sanitize_title' ); |
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78 |
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79 // Keys |
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80 foreach ( array( 'pre_post_type', 'pre_post_status', 'pre_post_comment_status', 'pre_post_ping_status' ) as $filter ) { |
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81 add_filter( $filter, 'sanitize_key' ); |
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82 } |
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83 |
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84 // Mime types |
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85 add_filter( 'pre_post_mime_type', 'sanitize_mime_type' ); |
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86 add_filter( 'post_mime_type', 'sanitize_mime_type' ); |
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87 |
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88 // Places to balance tags on input |
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89 foreach ( array( 'content_save_pre', 'excerpt_save_pre', 'comment_save_pre', 'pre_comment_content' ) as $filter ) { |
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90 add_filter( $filter, 'balanceTags', 50 ); |
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91 } |
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92 |
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93 // Format strings for display. |
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94 foreach ( array( 'comment_author', 'term_name', 'link_name', 'link_description', 'link_notes', 'bloginfo', 'wp_title', 'widget_title' ) as $filter ) { |
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95 add_filter( $filter, 'wptexturize' ); |
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96 add_filter( $filter, 'convert_chars' ); |
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97 add_filter( $filter, 'esc_html' ); |
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98 } |
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99 |
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100 // Format WordPress |
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101 foreach ( array( 'the_content', 'the_title', 'wp_title' ) as $filter ) |
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102 add_filter( $filter, 'capital_P_dangit', 11 ); |
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103 add_filter( 'comment_text', 'capital_P_dangit', 31 ); |
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104 |
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105 // Format titles |
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106 foreach ( array( 'single_post_title', 'single_cat_title', 'single_tag_title', 'single_month_title', 'nav_menu_attr_title', 'nav_menu_description' ) as $filter ) { |
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107 add_filter( $filter, 'wptexturize' ); |
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108 add_filter( $filter, 'strip_tags' ); |
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109 } |
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110 |
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111 // Format text area for display. |
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112 foreach ( array( 'term_description' ) as $filter ) { |
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113 add_filter( $filter, 'wptexturize' ); |
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114 add_filter( $filter, 'convert_chars' ); |
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115 add_filter( $filter, 'wpautop' ); |
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116 add_filter( $filter, 'shortcode_unautop'); |
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117 } |
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118 |
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119 // Format for RSS |
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120 add_filter( 'term_name_rss', 'convert_chars' ); |
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121 |
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122 // Pre save hierarchy |
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123 add_filter( 'wp_insert_post_parent', 'wp_check_post_hierarchy_for_loops', 10, 2 ); |
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124 add_filter( 'wp_update_term_parent', 'wp_check_term_hierarchy_for_loops', 10, 3 ); |
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125 |
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126 // Display filters |
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127 add_filter( 'the_title', 'wptexturize' ); |
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128 add_filter( 'the_title', 'convert_chars' ); |
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129 add_filter( 'the_title', 'trim' ); |
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130 |
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131 add_filter( 'the_content', 'wptexturize' ); |
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132 add_filter( 'the_content', 'convert_smilies' ); |
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133 add_filter( 'the_content', 'convert_chars' ); |
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134 add_filter( 'the_content', 'wpautop' ); |
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135 add_filter( 'the_content', 'shortcode_unautop' ); |
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136 add_filter( 'the_content', 'prepend_attachment' ); |
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137 |
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138 add_filter( 'the_excerpt', 'wptexturize' ); |
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139 add_filter( 'the_excerpt', 'convert_smilies' ); |
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140 add_filter( 'the_excerpt', 'convert_chars' ); |
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141 add_filter( 'the_excerpt', 'wpautop' ); |
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142 add_filter( 'the_excerpt', 'shortcode_unautop'); |
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143 add_filter( 'get_the_excerpt', 'wp_trim_excerpt' ); |
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144 |
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145 add_filter( 'comment_text', 'wptexturize' ); |
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146 add_filter( 'comment_text', 'convert_chars' ); |
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147 add_filter( 'comment_text', 'make_clickable', 9 ); |
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148 add_filter( 'comment_text', 'force_balance_tags', 25 ); |
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149 add_filter( 'comment_text', 'convert_smilies', 20 ); |
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150 add_filter( 'comment_text', 'wpautop', 30 ); |
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151 |
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152 add_filter( 'comment_excerpt', 'convert_chars' ); |
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153 |
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154 add_filter( 'list_cats', 'wptexturize' ); |
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155 |
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156 add_filter( 'wp_sprintf', 'wp_sprintf_l', 10, 2 ); |
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157 |
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158 // RSS filters |
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159 add_filter( 'the_title_rss', 'strip_tags' ); |
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160 add_filter( 'the_title_rss', 'ent2ncr', 8 ); |
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161 add_filter( 'the_title_rss', 'esc_html' ); |
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162 add_filter( 'the_content_rss', 'ent2ncr', 8 ); |
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163 add_filter( 'the_excerpt_rss', 'convert_chars' ); |
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164 add_filter( 'the_excerpt_rss', 'ent2ncr', 8 ); |
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165 add_filter( 'comment_author_rss', 'ent2ncr', 8 ); |
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166 add_filter( 'comment_text_rss', 'ent2ncr', 8 ); |
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167 add_filter( 'comment_text_rss', 'esc_html' ); |
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168 add_filter( 'bloginfo_rss', 'ent2ncr', 8 ); |
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169 add_filter( 'the_author', 'ent2ncr', 8 ); |
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170 |
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171 // Misc filters |
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172 add_filter( 'option_ping_sites', 'privacy_ping_filter' ); |
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173 add_filter( 'option_blog_charset', '_wp_specialchars' ); // IMPORTANT: This must not be wp_specialchars() or esc_html() or it'll cause an infinite loop |
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174 add_filter( 'option_blog_charset', '_canonical_charset' ); |
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175 add_filter( 'option_home', '_config_wp_home' ); |
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176 add_filter( 'option_siteurl', '_config_wp_siteurl' ); |
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177 add_filter( 'tiny_mce_before_init', '_mce_set_direction' ); |
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178 add_filter( 'pre_kses', 'wp_pre_kses_less_than' ); |
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179 add_filter( 'sanitize_title', 'sanitize_title_with_dashes', 10, 3 ); |
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180 add_action( 'check_comment_flood', 'check_comment_flood_db', 10, 3 ); |
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181 add_filter( 'comment_flood_filter', 'wp_throttle_comment_flood', 10, 3 ); |
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182 add_filter( 'pre_comment_content', 'wp_rel_nofollow', 15 ); |
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183 add_filter( 'comment_email', 'antispambot' ); |
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184 add_filter( 'option_tag_base', '_wp_filter_taxonomy_base' ); |
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185 add_filter( 'option_category_base', '_wp_filter_taxonomy_base' ); |
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186 add_filter( 'the_posts', '_close_comments_for_old_posts', 10, 2); |
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187 add_filter( 'comments_open', '_close_comments_for_old_post', 10, 2 ); |
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188 add_filter( 'pings_open', '_close_comments_for_old_post', 10, 2 ); |
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189 add_filter( 'editable_slug', 'urldecode' ); |
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190 add_filter( 'editable_slug', 'esc_textarea' ); |
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191 add_filter( 'nav_menu_meta_box_object', '_wp_nav_menu_meta_box_object' ); |
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192 add_filter( 'pingback_ping_source_uri', 'pingback_ping_source_uri' ); |
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193 add_filter( 'xmlrpc_pingback_error', 'xmlrpc_pingback_error' ); |
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194 |
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195 add_filter( 'http_request_host_is_external', 'allowed_http_request_hosts', 10, 2 ); |
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196 |
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197 // Actions |
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198 add_action( 'wp_head', 'wp_enqueue_scripts', 1 ); |
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199 add_action( 'wp_head', 'feed_links', 2 ); |
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200 add_action( 'wp_head', 'feed_links_extra', 3 ); |
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201 add_action( 'wp_head', 'rsd_link' ); |
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202 add_action( 'wp_head', 'wlwmanifest_link' ); |
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203 add_action( 'wp_head', 'adjacent_posts_rel_link_wp_head', 10, 0 ); |
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204 add_action( 'wp_head', 'locale_stylesheet' ); |
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205 add_action( 'publish_future_post', 'check_and_publish_future_post', 10, 1 ); |
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206 add_action( 'wp_head', 'noindex', 1 ); |
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207 add_action( 'wp_head', 'wp_print_styles', 8 ); |
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208 add_action( 'wp_head', 'wp_print_head_scripts', 9 ); |
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209 add_action( 'wp_head', 'wp_generator' ); |
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210 add_action( 'wp_head', 'rel_canonical' ); |
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211 add_action( 'wp_footer', 'wp_print_footer_scripts', 20 ); |
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212 add_action( 'wp_head', 'wp_shortlink_wp_head', 10, 0 ); |
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213 add_action( 'template_redirect', 'wp_shortlink_header', 11, 0 ); |
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214 add_action( 'wp_print_footer_scripts', '_wp_footer_scripts' ); |
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215 add_action( 'init', 'check_theme_switched', 99 ); |
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216 add_action( 'after_switch_theme', '_wp_sidebars_changed' ); |
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217 |
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218 if ( isset( $_GET['replytocom'] ) ) |
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219 add_action( 'wp_head', 'wp_no_robots' ); |
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220 |
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221 // Login actions |
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222 add_action( 'login_head', 'wp_print_head_scripts', 9 ); |
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223 add_action( 'login_footer', 'wp_print_footer_scripts', 20 ); |
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224 add_action( 'login_init', 'send_frame_options_header', 10, 0 ); |
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225 |
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226 // Feed Generator Tags |
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227 foreach ( array( 'rss2_head', 'commentsrss2_head', 'rss_head', 'rdf_header', 'atom_head', 'comments_atom_head', 'opml_head', 'app_head' ) as $action ) { |
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228 add_action( $action, 'the_generator' ); |
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229 } |
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230 |
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231 // WP Cron |
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232 if ( !defined( 'DOING_CRON' ) ) |
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233 add_action( 'init', 'wp_cron' ); |
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234 |
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235 // 2 Actions 2 Furious |
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236 add_action( 'do_feed_rdf', 'do_feed_rdf', 10, 1 ); |
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237 add_action( 'do_feed_rss', 'do_feed_rss', 10, 1 ); |
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238 add_action( 'do_feed_rss2', 'do_feed_rss2', 10, 1 ); |
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239 add_action( 'do_feed_atom', 'do_feed_atom', 10, 1 ); |
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240 add_action( 'do_pings', 'do_all_pings', 10, 1 ); |
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241 add_action( 'do_robots', 'do_robots' ); |
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242 add_action( 'set_comment_cookies', 'wp_set_comment_cookies', 10, 2 ); |
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243 add_action( 'sanitize_comment_cookies', 'sanitize_comment_cookies' ); |
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244 add_action( 'admin_print_scripts', 'print_head_scripts', 20 ); |
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245 add_action( 'admin_print_footer_scripts', '_wp_footer_scripts' ); |
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246 add_action( 'admin_print_styles', 'print_admin_styles', 20 ); |
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247 add_action( 'init', 'smilies_init', 5 ); |
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248 add_action( 'plugins_loaded', 'wp_maybe_load_widgets', 0 ); |
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249 add_action( 'plugins_loaded', 'wp_maybe_load_embeds', 0 ); |
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250 add_action( 'shutdown', 'wp_ob_end_flush_all', 1 ); |
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251 add_action( 'post_updated', 'wp_save_post_revision', 10, 1 ); |
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252 add_action( 'publish_post', '_publish_post_hook', 5, 1 ); |
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253 add_action( 'transition_post_status', '_transition_post_status', 5, 3 ); |
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254 add_action( 'transition_post_status', '_update_term_count_on_transition_post_status', 10, 3 ); |
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255 add_action( 'comment_form', 'wp_comment_form_unfiltered_html_nonce' ); |
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256 add_action( 'wp_scheduled_delete', 'wp_scheduled_delete' ); |
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257 add_action( 'wp_scheduled_auto_draft_delete', 'wp_delete_auto_drafts' ); |
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258 add_action( 'admin_init', 'send_frame_options_header', 10, 0 ); |
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259 add_action( 'importer_scheduled_cleanup', 'wp_delete_attachment' ); |
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260 add_action( 'upgrader_scheduled_cleanup', 'wp_delete_attachment' ); |
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261 add_action( 'welcome_panel', 'wp_welcome_panel' ); |
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262 |
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263 // Navigation menu actions |
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264 add_action( 'delete_post', '_wp_delete_post_menu_item' ); |
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265 add_action( 'delete_term', '_wp_delete_tax_menu_item', 10, 3 ); |
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266 add_action( 'transition_post_status', '_wp_auto_add_pages_to_menu', 10, 3 ); |
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267 |
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268 // Post Thumbnail CSS class filtering |
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269 add_action( 'begin_fetch_post_thumbnail_html', '_wp_post_thumbnail_class_filter_add' ); |
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270 add_action( 'end_fetch_post_thumbnail_html', '_wp_post_thumbnail_class_filter_remove' ); |
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271 |
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272 // Redirect Old Slugs |
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273 add_action( 'template_redirect', 'wp_old_slug_redirect' ); |
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274 add_action( 'post_updated', 'wp_check_for_changed_slugs', 12, 3 ); |
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275 |
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276 // Nonce check for Post Previews |
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277 add_action( 'init', '_show_post_preview' ); |
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278 |
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279 // Timezone |
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280 add_filter( 'pre_option_gmt_offset','wp_timezone_override_offset' ); |
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281 |
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282 // Admin Color Schemes |
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283 add_action( 'admin_init', 'register_admin_color_schemes', 1); |
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284 add_action( 'admin_color_scheme_picker', 'admin_color_scheme_picker' ); |
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285 |
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286 // If the upgrade hasn't run yet, assume link manager is used. |
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287 add_filter( 'default_option_link_manager_enabled', '__return_true' ); |
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288 |
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289 // This option no longer exists; tell plugins we always support auto-embedding. |
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290 add_filter( 'default_option_embed_autourls', '__return_true' ); |
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291 |
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292 // Default settings for heartbeat |
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293 add_filter( 'heartbeat_settings', 'wp_heartbeat_settings' ); |
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294 |
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295 // Check if the user is logged out |
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296 add_action( 'admin_enqueue_scripts', 'wp_auth_check_load' ); |
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297 add_filter( 'heartbeat_received', 'wp_auth_check', 10, 2 ); |
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298 add_filter( 'heartbeat_nopriv_received', 'wp_auth_check', 10, 2 ); |
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299 |
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300 // Default authentication filters |
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301 add_filter( 'authenticate', 'wp_authenticate_username_password', 20, 3 ); |
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302 add_filter( 'authenticate', 'wp_authenticate_spam_check', 99 ); |
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303 |
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304 unset($filter, $action); |