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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 1103 | '♥' => '♥', |
| 1104 | '♦' => '♦' |
| 1105 | ); |
| 1106 | |
| 1107 | return str_replace( array_keys($to_ncr), array_values($to_ncr), $text ); |
| 1108 | } |
| 1109 | |
| 1110 | function wp_richedit_pre($text) { |
| 1111 | // Filtering a blank results in an annoying <br />\n |
| 1112 | if ( empty($text) ) return apply_filters('richedit_pre', ''); |
| 1113 | |
| 1114 | $output = $text; |
| 1115 | $output = convert_chars($output); |
| 1116 | $output = wpautop($output); |
| 1117 | |
| 1118 | // These must be double-escaped or planets will collide. |
| 1119 | $output = str_replace('<', '&lt;', $output); |
| 1120 | $output = str_replace('>', '&gt;', $output); |
| 1121 | |
| 1122 | return apply_filters('richedit_pre', $output); |
| 1123 | } |
| 1124 | |
| 1125 | function wp_htmledit_pre($output) { |
| 1126 | if ( !empty($output) ) |
| 1127 | $output = htmlspecialchars($output, ENT_NOQUOTES); // convert only < > & |
| 1128 | |
| 1129 | return apply_filters('htmledit_pre', $output); |
| 1130 | } |
| 1131 | |