Is there any speed difference between
if (isset($_POST['var']))
or
if ($_POST['var'])
And which is better or are they the same?
Is there any speed difference between if (isset($_POST[‘var’])) or if ($_POST[‘var’]) And which is
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Is there any speed difference between
if (isset($_POST['var']))
or
if ($_POST['var'])
And which is better or are they the same?
It is a good practice to use
issetfor the following reasons:$_POST['var']is an empty string or"0",issetwill still detect that the variable exists.