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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 |
|---|---|
| 2658 | * Escaping for textarea values. |
| 2659 | * |
| 2660 | * @since 3.1 |
| 2661 | * |
| 2662 | * @param string $text |
| 2663 | * @return string |
| 2664 | */ |
| 2665 | function esc_textarea( $text ) { |
| 2666 | $safe_text = htmlspecialchars( $text, ENT_QUOTES ); |
| 2667 | return apply_filters( 'esc_textarea', $safe_text, $text ); |
| 2668 | } |
| 2669 | |
| 2670 | /** |
| 2671 | * Escape a HTML tag name. |
| 2672 | * |
| 2673 | * @since 2.5.0 |
| 2674 | * |
| 2675 | * @param string $tag_name |
| 2676 | * @return string |