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@ 2015-09-29T02:53:29Z

<?php

$values = array(
    null,
    'sdfas',
    1,
);

foreach ($values as $value) {
    var_dump(get_class($value));
}

Output
Performance
VLD
References
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var_dump: documentation ( source)

preferences:dark modelive preview

49.81 ms | 402 KiB | 5 Q