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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 |
---|---|
4491 | $safe_text = htmlspecialchars( $text, ENT_QUOTES, get_option( 'blog_charset' ) ); |
4492 | /** |
4493 | * Filters a string cleaned and escaped for output in a textarea element. |
4494 | * |
4495 | * @since 3.1.0 |
4496 | * |
4497 | * @param string $safe_text The text after it has been escaped. |
4498 | * @param string $text The text prior to being escaped. |
4499 | */ |
4500 | return apply_filters( 'esc_textarea', $safe_text, $text ); |
4501 | } |
4502 |
|
4503 | /** |
4504 | * Escape an HTML tag name. |
4505 | * |
4506 | * @since 2.5.0 |
4507 | * |
4508 | * @param string $tag_name |
4509 | * @return string |