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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 |
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1121 | ); |
1122 | if ( $wpdb->get_var( $dupe ) ) { |
1123 | /** |
1124 | * Fires immediately after a duplicate comment is detected. |
1125 | * |
1126 | * @since 3.0.0 |
1127 | * |
1128 | * @param array $commentdata Comment data. |
1129 | */ |
1130 | do_action( 'comment_duplicate_trigger', $commentdata ); |
1131 | if ( defined( 'DOING_AJAX' ) ) { |
1132 | die( __('Duplicate comment detected; it looks as though you’ve already said that!') ); |
1133 | } |
1134 | wp_die( __( 'Duplicate comment detected; it looks as though you’ve already said that!' ), 409 ); |
1135 | } |
1136 |
|
1137 | /** |
1138 | * Fires immediately before a comment is marked approved. |
1139 | * |