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@ 2015-11-05T19:11:08Z

<?php

$var = '0';

function isNonEmptyStr($var) {
    return is_string($var) && strlen($var) > 0;
}

var_dump(isNonEmptyString($var));

Output
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var_dump: documentation ( source)

preferences:dark modelive preview

49.12 ms | 402 KiB | 5 Q