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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 |
|---|---|
| 141 | $width = $matches[1]; |
| 142 | |
| 143 | $html = preg_replace( '/(class=["\'][^\'"]*)align(none|left|right|center)\s?/', '$1', $html ); |
| 144 | if ( empty($align) ) |
| 145 | $align = 'none'; |
| 146 | |
| 147 | $shcode = '[caption id="' . $id . '" align="align' . $align |
| 148 | . '" width="' . $width . '" caption="' . addslashes($caption) . '"]' . $html . '[/caption]'; |
| 149 | |
| 150 | return apply_filters( 'image_add_caption_shortcode', $shcode, $html ); |
| 151 | } |
| 152 | add_filter( 'image_send_to_editor', 'image_add_caption', 20, 8 ); |
| 153 | |
| 154 | /** |
| 155 | * {@internal Missing Short Description}} |
| 156 | * |
| 157 | * @since unknown |
| 158 | * |
| 159 | * @param unknown_type $html |