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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 |
|---|---|
| 598 | * |
| 599 | * @since 3.1.3 |
| 600 | * |
| 601 | * @param string $meta_key Meta key |
| 602 | * @param mixed $meta_value Meta value to sanitize |
| 603 | * @param string $meta_type Type of meta |
| 604 | * @return mixed Sanitized $meta_value |
| 605 | */ |
| 606 | function sanitize_meta( $meta_key, $meta_value, $meta_type = null ) { |
| 607 | return apply_filters( 'sanitize_meta', $meta_value, $meta_key, $meta_type ); |
| 608 | } |
| 609 | |
| 610 | ?> |
| 611 | |