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  1. <?php
  2. $result = (new Test)->test();
  3. print_r( $result);
  4.  
  5. class Test {
  6. 	public $notSet;
  7.  
  8. 	public function test() {
  9. 		$old_array = array(
  10. 			'a' => 'A',
  11. 			'notset' => $notSet,
  12.     		'null' => null,
  13.     		'false' => false,
  14.     		'zeroint' => 0,
  15.     		'zerofloat' => 0.0,
  16. 		);
  17.  
  18. 		return array_filter($old_array, function($element) {
  19. 	        return ( 0 === $element) ? TRUE : !empty( $element);
  20.     	});
  21. 	}
  22. }
Success #stdin #stdout #stderr 0.01s 20520KB
comments (?)
stdin
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Standard input is empty
stdout
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Array
(
    [a] => A
    [zeroint] => 0
)
stderr
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PHP Notice:  Undefined variable: notSet in /home/FPOT15/prog.php on line 11
PHP Notice:  Undefined variable: notSet in /home/FPOT15/prog.php on line 11
https://ideone.com/pZnxMG
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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