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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 |
|---|---|
| 115 | |
| 116 | $comment->comment_content = format_to_edit( $comment->comment_content ); |
| 117 | /** |
| 118 | * Filters the comment content before editing. |
| 119 | * |
| 120 | * @since 2.0.0 |
| 121 | * |
| 122 | * @param string $comment->comment_content Comment content. |
| 123 | */ |
| 124 | $comment->comment_content = apply_filters( 'comment_edit_pre', $comment->comment_content ); |
| 125 | |
| 126 | $comment->comment_author = format_to_edit( $comment->comment_author ); |
| 127 | $comment->comment_author_email = format_to_edit( $comment->comment_author_email ); |
| 128 | $comment->comment_author_url = format_to_edit( $comment->comment_author_url ); |
| 129 | $comment->comment_author_url = esc_url( $comment->comment_author_url ); |
| 130 | |
| 131 | return $comment; |
| 132 | } |
| 133 | |