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Simple example of getting Key from PHP array based on value

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2016-07-25 08:55:411463browse
  2. /**
  3. * Get Key based on the value of php array
  4. * by bbs.it-home.org
  5. */
  6. function getKey($arr, $value) {
  7. if(!is_array($arr)) return null;
  8. foreach($arr as $k =>$v) {
  9. $return = getKey($v, $value);
  10. if($v == $value){
  11. return $k;
  12. }
  13. if(!is_null($return)){
  14. return $return;
  15. }
  16. }
  17. }
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