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@ 2017-08-16T19:48:09Z

<?php

$date = 16;
$day = "Wednesday";
$x=0;

$start = date("Y-m-") . $date;

While(date("l", strtotime($start ."-" .$x . "months")) != $day){
    $x++;
}
Echo $x . " months ago.";

Output
Performance
VLD
References
Branches

date: documentation ( source)
strtotime: documentation ( source)

preferences:dark modelive previewkey bindings

24.46 ms | 405 KiB | 5 Q