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@ 2021-05-26T21:54:30Z

<?php

class Foo {
  public static function bar() {
    return 42;
  }
}

$x = 'Foo::bar';

echo (  true === is_callable($x) ? 'T' : 'F' );

echo (  42 == call_user_func($x) ? 'T' : 'F' );

Output
Performance
VLD
References
Branches

is_callable: documentation ( source)

preferences:dark modelive previewkey bindings

51.56 ms | 1361 KiB | 5 Q