3v4l.org

run code in 300+ PHP versions simultaneously

sponsor
bughunt
search
recent
about

@ 2015-09-21T22:59:16Z

<?php

    $year = '2015';
    $date = '01/01/' . $year;
    
    $wk_baseline = date('w', strtotime($date)) - 1;
    
    $wkdate = '01/04/2015';
    $week = ceil(max(date('z', strtotime($wkdate)) + 1 - $wk_baseline,0) / 7);
  
    echo $week; 
?>

Output
Performance
VLD
References
Branches

ceil: documentation ( source)
date: documentation ( source)
max: documentation ( source)
strtotime: documentation ( source)

preferences:dark modelive preview

27.73 ms | 402 KiB | 5 Q