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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 |
|---|---|
| 2701 | */ |
| 2702 | function format_to_edit( $content, $rich_text = false ) { |
| 2703 | /** |
| 2704 | * Filters the text to be formatted for editing. |
| 2705 | * |
| 2706 | * @since 1.2.0 |
| 2707 | * |
| 2708 | * @param string $content The text, prior to formatting for editing. |
| 2709 | */ |
| 2710 | $content = apply_filters( 'format_to_edit', $content ); |
| 2711 | if ( ! $rich_text ) { |
| 2712 | $content = esc_textarea( $content ); |
| 2713 | } |
| 2714 | return $content; |
| 2715 | } |
| 2716 | |
| 2717 | /** |
| 2718 | * Add leading zeros when necessary. |
| 2719 | * |