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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 |
---|---|
2427 | * Escaping for textarea values. |
2428 | * |
2429 | * @since 3.1 |
2430 | * |
2431 | * @param string $text |
2432 | * @return string |
2433 | */ |
2434 | function esc_textarea( $text ) { |
2435 | $safe_text = htmlspecialchars( $text, ENT_QUOTES ); |
2436 | return apply_filters( 'esc_textarea', $safe_text, $text ); |
2437 | } |
2438 |
|
2439 | /** |
2440 | * Escape a HTML tag name. |
2441 | * |
2442 | * @since 2.5.0 |
2443 | * |
2444 | * @param string $tag_name |
2445 | * @return string |