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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 |
---|---|
1819 | /** |
1820 | * Filter the dbDelta SQL queries for creating tables and/or databases. |
1821 | * |
1822 | * Queries filterable via this hook contain "CREATE TABLE" or "CREATE DATABASE". |
1823 | * |
1824 | * @since 3.3.0 |
1825 | * |
1826 | * @param array $cqueries An array of dbDelta create SQL queries. |
1827 | */ |
1828 | $cqueries = apply_filters( 'dbdelta_create_queries', $cqueries ); |
1829 |
|
1830 | /** |
1831 | * Filter the dbDelta SQL queries for inserting or updating. |
1832 | * |
1833 | * Queries filterable via this hook contain "INSERT INTO" or "UPDATE". |
1834 | * |
1835 | * @since 3.3.0 |
1836 | * |
1837 | * @param array $iqueries An array of dbDelta insert or update SQL queries. |