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@ 2015-09-22T13:41:40Z

<?php


$tsid = '-123';
    if (!filter_var($tsid, FILTER_VALIDATE_INT, array('options' => array('min_range' => 0)))) {
      echo "err";
    }
    else {
        echo "ok";
    }

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filter_var: documentation ( source)

preferences:dark modelive preview

46.81 ms | 402 KiB | 5 Q