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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 |
|---|---|
| 3320 | if ( get_magic_quotes_gpc() ) |
| 3321 | $array = stripslashes_deep( $array ); |
| 3322 | /** |
| 3323 | * Filter the array of variables derived from a parsed string. |
| 3324 | * |
| 3325 | * @since 2.3.0 |
| 3326 | * |
| 3327 | * @param array $array The array populated with variables. |
| 3328 | */ |
| 3329 | $array = apply_filters( 'wp_parse_str', $array ); |
| 3330 | } |
| 3331 | |
| 3332 | /** |
| 3333 | * Convert lone less than signs. |
| 3334 | * |
| 3335 | * KSES already converts lone greater than signs. |
| 3336 | * |
| 3337 | * @uses wp_pre_kses_less_than_callback in the callback function. |
| 3338 | * @since 2.3.0 |