Carview!

Checks whether the given speculation rules source is valid.

Parameters

bool True if valid, false otherwise.

public static function is_valid_source( string $source ): bool {
	return isset( self::$source_allowlist[ $source ] );
}

Used by	Description
WP_Speculation_Rules::add_rule()`wp-includes/class-wp-speculation-rules.php`	Adds a speculation rule to the speculation rules to consider.

Version	Description
6.8.0	Introduced.