Online PHP editor | output for j2Ymn

@ 2020-05-17T19:37:08Z

<?php

class TestClass
{
    public function doIt()
    {
        echo 'done';
    }
}

function is_instance_callable(array $definition)
{
    return isset($definition[0], $definition[1]) && in_array($definition[1], get_class_methods($definition[0]) ?? [], true);
}


$callable = [TestClass::class, 'doIt', 'param' => 'myParam'];
var_dump(is_instance_callable($callable));
var_dump(is_callable($callable));

Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0: bool(true) bool(false)
Output for 8.4.15: /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.

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