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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 |
---|---|
2077 | /** |
2078 | * Filter the dbDelta SQL queries for creating tables and/or databases. |
2079 | * |
2080 | * Queries filterable via this hook contain "CREATE TABLE" or "CREATE DATABASE". |
2081 | * |
2082 | * @since 3.3.0 |
2083 | * |
2084 | * @param array $cqueries An array of dbDelta create SQL queries. |
2085 | */ |
2086 | $cqueries = apply_filters( 'dbdelta_create_queries', $cqueries ); |
2087 |
|
2088 | /** |
2089 | * Filter the dbDelta SQL queries for inserting or updating. |
2090 | * |
2091 | * Queries filterable via this hook contain "INSERT INTO" or "UPDATE". |
2092 | * |
2093 | * @since 3.3.0 |
2094 | * |
2095 | * @param array $iqueries An array of dbDelta insert or update SQL queries. |