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@ 2014-10-05T05:53:07Z

<?php
$int = "string";

if(!filter_var($int, FILTER_VALIDATE_INT)) {
  echo("Integer is not valid");
} else {
  echo("Integer is valid");
}
?>

Output
Performance
VLD
References
Branches

filter_var: documentation ( source)

preferences:dark modelive preview

36.34 ms | 402 KiB | 5 Q