3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Besides the methods listed here, this class also has an __invoke method. // This is for consistency with other classes that implement calling magic, // as this method is not used for calling the function. // Source: http://php.net/manual/en/class.closure.php var_dump(\method_exists(\Closure::class, '__invoke'));
Output for 8.0.8 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
bool(true)
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.7
bool(false)

preferences:
137.41 ms | 408 KiB | 5 Q