maybe_create_table( string $table_name, string $create_ddl )

Creates a table in the database if it doesn’t already exist.


Parameters

$table_name

(Required) Database table name.

$create_ddl

(Required) SQL statement to create table.


Return

(bool) True on success or if the table already exists. False on failure.


Source

File: wp-admin/install-helper.php

function maybe_create_table($table_name, $create_ddl) {
	global $wpdb;

	$query = $wpdb->prepare( "SHOW TABLES LIKE %s", $wpdb->esc_like( $table_name ) );

	if ( $wpdb->get_var( $query ) == $table_name ) {
		return true;
	}

	// Didn't find it try to create it..
	$wpdb->query($create_ddl);

	// We cannot directly tell that whether this succeeded!
	if ( $wpdb->get_var( $query ) == $table_name ) {
		return true;
	}
	return false;
}


Changelog

Changelog
Version Description
1.0.0 Introduced.