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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 |
|---|---|
| 611 | * Filters the comment author's name cookie before it is set. |
| 612 | * |
| 613 | * When this filter hook is evaluated in wp_filter_comment(), |
| 614 | * the comment author's name string is passed. |
| 615 | * |
| 616 | * @since 1.5.0 |
| 617 | * |
| 618 | * @param string $author_cookie The comment author name cookie. |
| 619 | */ |
| 620 | $comment_author = apply_filters( 'pre_comment_author_name', $_COOKIE[ 'comment_author_' . COOKIEHASH ] ); |
| 621 | $comment_author = wp_unslash( $comment_author ); |
| 622 | $comment_author = esc_attr( $comment_author ); |
| 623 | |
| 624 | $_COOKIE[ 'comment_author_' . COOKIEHASH ] = $comment_author; |
| 625 | } |
| 626 | |
| 627 | if ( isset( $_COOKIE[ 'comment_author_email_' . COOKIEHASH ] ) ) { |
| 628 | /** |
| 629 | * Filters the comment author's email cookie before it is set. |
| Line | Code |
| 2107 | /** |
| 2108 | * Filters the comment author's browser user agent before it is set. |
| 2109 | * |
| 2110 | * @since 1.5.0 |
| 2111 | * |
| 2112 | * @param string $comment_agent The comment author's browser user agent. |
| 2113 | */ |
| 2114 | $commentdata['comment_agent'] = apply_filters( 'pre_comment_user_agent', ( isset( $commentdata['comment_agent'] ) ? $commentdata['comment_agent'] : '' ) ); |
| 2115 | /** This filter is documented in wp-includes/comment.php */ |
| 2116 | $commentdata['comment_author'] = apply_filters( 'pre_comment_author_name', $commentdata['comment_author'] ); |
| 2117 | /** |
| 2118 | * Filters the comment content before it is set. |
| 2119 | * |
| 2120 | * @since 1.5.0 |
| 2121 | * |
| 2122 | * @param string $comment_content The comment content. |
| 2123 | */ |
| 2124 | $commentdata['comment_content'] = apply_filters( 'pre_comment_content', $commentdata['comment_content'] ); |
| 2125 | /** |