Conversion
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<?
//paste this into a file named "cvdate.php3"
//this function supports dash,slash or space delimiting, numeric/english months, and two-digit years.
function cvdate($s)
{
//this function takes a "human" date and converts it into a UNIX timestamp, zero if error.
// echo("$s<p>");
//what is the delimiting character? (support space, slash, dash)
$delimiter="";
if (strpos($s,"-")>0) $delimiter="-";
if (strpos($s,"/")>0) $delimiter="/";
if (strpos($s," ")>0) $delimiter=" ";
if ($delimiter=="") return 0;
//chop it up
$p1=strpos($s,$delimiter);
$p2=strpos($s,$delimiter,$p1+1);
$x=substr($s,0,$p1);
$y=substr($s,$p1+1,$p2-$p1);
$z=substr($s,$p2+1);
//debug
// echo("$x/$y/$z");
//the last value is always the year, so check it for 2- to 4-digit convertion
if (intval($z)<100)
{
if (intval($z)>69) $z=strval(1900+intval($z)); else $z=strval(2000+intval($z));
}
//intelligently select which converter to use
//(default is M/D/Y, but if the month is "spelled out" then the format is D/M/Y)
if (intval($y)==0)
{
return cvdate_english($x,$y,$z);
}
else
{
return cvdate_numeric($x,$y,$z);
}
}
//just a helper function
function cvdate_english($d,$m,$y)
{
$d2=0; $m2=0; $y2=0;
$d2=intval($d);
$m=strtolower($m);
switch(substr($m,0,3))
{
case "jan": $m2=1; break;
case "feb": $m2=2; break;
case "mar": $m2=3; break;
case "apr": $m2=4; break;
case "may": $m2=5; break;
case "jun": $m2=6; break;
case "jul": $m2=7; break;
case "aug": $m2=8; break;
case "sep": $m2=9; break;
case "oct": $m2=10; break;
case "nov": $m2=11; break;
case "dec": $m2=12; break;
}
$y2=intval($y);
//check for errors!
if (($d2==0)||($m2==0)||($y2==0)) return 0;
//debug
//echo("$m2/$d2/$y2<br>n");
return mktime(0,0,0,$m2,$d2,$y2);
}
//just a helper function
function cvdate_numeric($m,$d,$y)
{
$d2=0; $m2=0; $y2=0;
$d2=intval($d);
$m2=intval($m);
$y2=intval($y);
//check for errors!
if (($d2==0)||($m2==0)||($y2==0)) return 0;
//debug
//echo("$m2/$d2/$y2<br>n");
return mktime(0,0,0,$m2,$d2,$y2);
}
?>
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Usage Example
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<html>
<?
include("datetime.php3");
include("cvdate.php3");
echo("13-sept-99 converted to MySQL timestamp is ".timestamp_to_mysql(cvdate("13-sept-99"))."<p>n");
?>
</html>
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