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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 |
---|---|
1522 | /** |
1523 | * Filter a sanitized title string. |
1524 | * |
1525 | * @since 1.2.0 |
1526 | * |
1527 | * @param string $title Sanitized title. |
1528 | * @param string $raw_title The title prior to sanitization. |
1529 | * @param string $context The context for which the title is being sanitized. |
1530 | */ |
1531 | $title = apply_filters( 'sanitize_title', $title, $raw_title, $context ); |
1532 |
|
1533 | if ( '' === $title || false === $title ) |
1534 | $title = $fallback_title; |
1535 |
|
1536 | return $title; |
1537 | } |
1538 |
|
1539 | /** |
1540 | * Sanitizes a title with the 'query' context. |