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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 |
|---|---|
| 1113 | } |
| 1114 | |
| 1115 | /** |
| 1116 | * Filters the lengths for the comment form fields. |
| 1117 | * |
| 1118 | * @since 4.5.0 |
| 1119 | * |
| 1120 | * @param array $lengths Associative array `'field_name' => 'maximum length'`. |
| 1121 | */ |
| 1122 | return apply_filters( 'wp_get_comment_fields_max_lengths', $lengths ); |
| 1123 | } |
| 1124 | |
| 1125 | /** |
| 1126 | * Compares the lengths of comment data against the maximum character limits. |
| 1127 | * |
| 1128 | * @since 4.7.0 |
| 1129 | * |
| 1130 | * @param array $comment_data Array of arguments for inserting a comment. |
| 1131 | * @return WP_Error|true WP_Error when a comment field exceeds the limit, |