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@ 2014-08-13T20:40:52Z

<?php
for ( 
       $a = 2, $b = 4; 
       ++$a,  $a < $b; 
){    
      $result = $a * $b; 
}
var_dump($result);

Output
Performance
VLD
References
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var_dump: documentation ( source)

preferences:dark modelive preview

35.73 ms | 402 KiB | 5 Q