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@ 2016-12-19T09:25:16Z

<?php

$arrTestVars = array(
  '0',
  '-0',
  '+0',
  '0.0',
  '0e0',
  '0.0e0'
);

foreach($arrTestVars as $strTestVar) {
  var_dump(
    $strTestVar != 0
  );
}

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)

preferences:dark modelive preview

30.05 ms | 402 KiB | 5 Q