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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 |
|---|---|
| 2743 | * Escaping for textarea values. |
| 2744 | * |
| 2745 | * @since 3.1.0 |
| 2746 | * |
| 2747 | * @param string $text |
| 2748 | * @return string |
| 2749 | */ |
| 2750 | function esc_textarea( $text ) { |
| 2751 | $safe_text = htmlspecialchars( $text, ENT_QUOTES, get_option( 'blog_charset' ) ); |
| 2752 | return apply_filters( 'esc_textarea', $safe_text, $text ); |
| 2753 | } |
| 2754 | |
| 2755 | /** |
| 2756 | * Escape an HTML tag name. |
| 2757 | * |
| 2758 | * @since 2.5.0 |
| 2759 | * |
| 2760 | * @param string $tag_name |
| 2761 | * @return string |