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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 |
---|---|
4529 | $safe_text = htmlspecialchars( $text, ENT_QUOTES, get_option( 'blog_charset' ) ); |
4530 | /** |
4531 | * Filters a string cleaned and escaped for output in a textarea element. |
4532 | * |
4533 | * @since 3.1.0 |
4534 | * |
4535 | * @param string $safe_text The text after it has been escaped. |
4536 | * @param string $text The text prior to being escaped. |
4537 | */ |
4538 | return apply_filters( 'esc_textarea', $safe_text, $text ); |
4539 | } |
4540 |
|
4541 | /** |
4542 | * Escaping for XML blocks. |
4543 | * |
4544 | * @since 5.5.0 |
4545 | * |
4546 | * @param string $text Text to escape. |
4547 | * @return string Escaped text. |