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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 |
|