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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 |
---|---|
3974 | $safe_text = htmlspecialchars( $text, ENT_QUOTES, get_option( 'blog_charset' ) ); |
3975 | /** |
3976 | * Filters a string cleaned and escaped for output in a textarea element. |
3977 | * |
3978 | * @since 3.1.0 |
3979 | * |
3980 | * @param string $safe_text The text after it has been escaped. |
3981 | * @param string $text The text prior to being escaped. |
3982 | */ |
3983 | return apply_filters( 'esc_textarea', $safe_text, $text ); |
3984 | } |
3985 |
|
3986 | /** |
3987 | * Escape an HTML tag name. |
3988 | * |
3989 | * @since 2.5.0 |
3990 | * |
3991 | * @param string $tag_name |
3992 | * @return string |