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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.
| Line | Code |
|---|---|
| 1174 | $safe_text = wp_specialchars($text, 'double'); |
| 1175 | $safe_text = preg_replace('/&#(x)?0*(?(1)27|39);?/i', "'", stripslashes($safe_text)); |
| 1176 | $safe_text = preg_replace("/\r?\n/", "\\n", addslashes($safe_text)); |
| 1177 | return apply_filters('js_escape', $safe_text, $text); |
| 1178 | } |
| 1179 | |
| 1180 | // Escaping for HTML attributes |
| 1181 | function attribute_escape($text) { |
| 1182 | $safe_text = wp_specialchars($text, true); |
| 1183 | return apply_filters('attribute_escape', $safe_text, $text); |
| 1184 | } |
| 1185 | |
| 1186 | // Escape a HTML tag name |
| 1187 | function tag_escape($tag_name) { |
| 1188 | $safe_tag = strtolower( preg_replace('[^a-zA-Z_:]', '', $tag_name) ); |
| 1189 | return apply_filters('tag_escape', $safe_tag, $tag_name); |
| 1190 | } |
| 1191 | |
| 1192 | /** |