Time Ago Function

time_ago.php

<?php

// This can be used for comments and other from of communication to tell the time ago
// instead of the exact time which might not be correct to some one in another time zone.
// The function only uses unix time stamp like the result of time();

function _ago($tm, $rcs = 0) {

    $cur_tm = time(); $dif = $cur_tm-$tm;

    $pds = array('second','minute','hour','day','week','month','year','decade');

    $lngh = array(1,60,3600,86400,604800,2630880,31570560,315705600);

    for($v = sizeof($lngh)-1; ($v >= 0)&&(($no = $dif/$lngh[$v])<=1); $v--); if($v < 0) $v = 0; $_tm = $cur_tm-($dif%$lngh[$v]);

    $no = floor($no); if($no <> 1) $pds[$v] .='s'; $x=sprintf("%d %s ",$no,$pds[$v]);

    if(($rcs == 1)&&($v >= 1)&&(($cur_tm-$_tm) > 0)) $x .= time_ago($_tm);

    return $x;

}