WP_Debug_Data::get_mysql_var( string $mysql_var ): string|null

Parameters

$mysql_varstring

Name of the MySQL system variable.

Return

string|null

The variable value on success. Null if the variable does not exist.

Used by · 1

• WP_Debug_Data::get_wp_database()Gets the WordPress database section of the debug data.

Source

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1827	public static function get_mysql_var( $mysql_var ) {1828		global $wpdb;1829 1830		$result = $wpdb->get_row(1831			$wpdb->prepare( 'SHOW VARIABLES LIKE %s', $mysql_var ),1832			ARRAY_A1833		);1834 1835		if ( ! empty( $result ) && array_key_exists( 'Value', $result ) ) {1836			return $result['Value'];1837		}1838 1839		return null;1840	}

History

Introduced in 5.9.0. Unchanged from 6.7.7 through 7.1.0.

1. 6.7.7
2. 6.8.8
3. 6.9.7
4. 7.0.4
5. 7.1.0

Signature, return type and hooks compared across 5 parsed releases.

About this page

Parsed data

Generated from the wordpress-develop 7.1.0 tag, from src/wp-admin/includes/class-wp-debug-data.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.

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