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@ 2017-06-16T11:41:58Z

<?php
$p1Location = 0;
$p2Location = 1;
$p3Location = 2;
$pCount = count(explode(',', 'p1,p2,p3'));

if ($p3Location > $pCount) {
    echo "Oh Noe! Extra Columns!";
}

Output
Performance
VLD
References
Branches

explode: documentation ( source)

preferences:dark modelive preview

87.2 ms | 402 KiB | 5 Q