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  1. <?php
  2. error_reporting(-1);
  3.  
  4. $balls = [
  5. 			["color" => "green", "cost" => 1, "weight" => 5],
  6. 			["color" => "red", "cost" => 3, "weight" => 3],
  7. 			["color" => "blue", "cost" => 5, "weight" => 2]
  8. 		];
  9.  
  10.  
  11.  
  12.  
  13. function grabBalls($balls, $ballsTaken) {
  14. 	foreach($balls as $ball) {
  15. 		$ballsTaken[] = $ball["color"];
  16.  
  17. 		if (count($ballsTaken) < 5) {
  18. 			grabBalls($balls, $ballsTaken);
  19. 		} else {
  20. 			var_dump($ballsTaken);
  21.  
  22. 		}
  23.  
  24. 	return $ballsTaken;	
  25. 	}
  26. }
  27.  
  28. $a = [];	
  29. grabBalls($balls, $a);
  30.  
  31. var_dump($a);
  32.  
Success #stdin #stdout 0.02s 24400KB
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stdin
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Standard input is empty
stdout
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array(5) {
  [0]=>
  string(5) "green"
  [1]=>
  string(5) "green"
  [2]=>
  string(5) "green"
  [3]=>
  string(5) "green"
  [4]=>
  string(5) "green"
}
array(0) {
}
https://ideone.com/b9XzZo
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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