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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 |
|---|---|
| 2540 | * @uses apply_filters() for the 'wp_parse_str' filter. |
| 2541 | * |
| 2542 | * @param string $string The string to be parsed. |
| 2543 | * @param array $array Variables will be stored in this array. |
| 2544 | */ |
| 2545 | function wp_parse_str( $string, &$array ) { |
| 2546 | parse_str( $string, $array ); |
| 2547 | if ( get_magic_quotes_gpc() ) |
| 2548 | $array = stripslashes_deep( $array ); |
| 2549 | $array = apply_filters( 'wp_parse_str', $array ); |
| 2550 | } |
| 2551 | |
| 2552 | /** |
| 2553 | * Convert lone less than signs. |
| 2554 | * |
| 2555 | * KSES already converts lone greater than signs. |
| 2556 | * |
| 2557 | * @uses wp_pre_kses_less_than_callback in the callback function. |
| 2558 | * @since 2.3.0 |