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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 |
---|---|
2690 | * Escaping for textarea values. |
2691 | * |
2692 | * @since 3.1 |
2693 | * |
2694 | * @param string $text |
2695 | * @return string |
2696 | */ |
2697 | function esc_textarea( $text ) { |
2698 | $safe_text = htmlspecialchars( $text, ENT_QUOTES ); |
2699 | return apply_filters( 'esc_textarea', $safe_text, $text ); |
2700 | } |
2701 |
|
2702 | /** |
2703 | * Escape a HTML tag name. |
2704 | * |
2705 | * @since 2.5.0 |
2706 | * |
2707 | * @param string $tag_name |
2708 | * @return string |