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  1. <?php
  2.  
  3. class cat {
  4. 	function say() {
  5. 		echo 'meow' . PHP_EOL;
  6. 	}
  7. }
  8.  
  9. class dog {
  10. 	function say() {
  11. 		echo 'woof' . PHP_EOL;
  12. 	}
  13. }
  14.  
  15. call_user_func([dog, 'say']);
  16. call_user_func(dog . '::say');
  17.  
  18. $cat = new cat();
  19. call_user_func([$cat, 'say']);
  20.  
Success #stdin #stdout #stderr 0.02s 24548KB
comments ()
stdin
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Standard input is empty
stdout
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woof
woof
meow
stderr
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PHP Warning:  Use of undefined constant dog - assumed 'dog' (this will throw an Error in a future version of PHP) in /home/dzJBTN/prog.php on line 15
PHP Warning:  Use of undefined constant dog - assumed 'dog' (this will throw an Error in a future version of PHP) in /home/dzJBTN/prog.php on line 16
https://ideone.com/qh84WU
language:
PHP (php 7.3.5)
created:
4 years ago
visibility:
public

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