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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 |
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1510 | * Filter the table alias identified as compatible with the current clause. |
1511 | * |
1512 | * @since 4.1.0 |
1513 | * |
1514 | * @param string|bool $alias Table alias, or false if none was found. |
1515 | * @param array $clause First-order query clause. |
1516 | * @param array $parent_query Parent of $clause. |
1517 | * @param object $this WP_Meta_Query object. |
1518 | */ |
1519 | return apply_filters( 'meta_query_find_compatible_table_alias', $alias, $clause, $parent_query, $this ) ; |
1520 | } |
1521 | } |
1522 |
|
1523 | /** |
1524 | * Retrieve the name of the metadata table for the specified object type. |
1525 | * |
1526 | * @since 2.9.0 |
1527 | * |
1528 | * @global wpdb $wpdb WordPress database abstraction object. |