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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 |
---|---|
4612 | $safe_text = htmlspecialchars( $text, ENT_QUOTES, get_option( 'blog_charset' ) ); |
4613 | /** |
4614 | * Filters a string cleaned and escaped for output in a textarea element. |
4615 | * |
4616 | * @since 3.1.0 |
4617 | * |
4618 | * @param string $safe_text The text after it has been escaped. |
4619 | * @param string $text The text prior to being escaped. |
4620 | */ |
4621 | return apply_filters( 'esc_textarea', $safe_text, $text ); |
4622 | } |
4623 |
|
4624 | /** |
4625 | * Escaping for XML blocks. |
4626 | * |
4627 | * @since 5.5.0 |
4628 | * |
4629 | * @param string $text Text to escape. |
4630 | * @return string Escaped text. |