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  1. <?php
  2.  
  3.  $calc['add'] = function($a, $b) {
  4.  	return $a + $b;
  5.  };
  6.  
  7.  $calc['mul'] = function($a, $b) {
  8.  	return $a * $b;
  9.  };
  10.  
  11.  $opers = ['mul','add'];
  12.  
  13.  foreach ($opers as $oper) {
  14.  	echo $oper .': '. $calc[$oper](3, 7) . PHP_EOL;
  15.  }
  16.  
  17.  
Success #stdin #stdout 0s 82560KB
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stdin
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Standard input is empty
stdout
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mul: 21
add: 10
https://ideone.com/9iQv7w
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
public

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