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@ 2014-09-29T14:58:55Z

<?php

 $a = array(
      'blue' => 'nice',
      'car' => 'fast',
      'number' => 'none'
  );

echo array_search("car",array_keys($a));

Output
Performance
VLD
References
Branches

array_search: documentation ( source)
array_keys: documentation ( source)

preferences:dark modelive preview

62.75 ms | 402 KiB | 5 Q