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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 |
---|---|
2645 | * |
2646 | * @since 2.8.0 |
2647 | * |
2648 | * @param string $text |
2649 | * @return string |
2650 | */ |
2651 | function esc_attr( $text ) { |
2652 | $safe_text = wp_check_invalid_utf8( $text ); |
2653 | $safe_text = _wp_specialchars( $safe_text, ENT_QUOTES ); |
2654 | return apply_filters( 'attribute_escape', $safe_text, $text ); |
2655 | } |
2656 |
|
2657 | /** |
2658 | * Escaping for textarea values. |
2659 | * |
2660 | * @since 3.1 |
2661 | * |
2662 | * @param string $text |
2663 | * @return string |