note 66676 added to function.date
| From: | minterior at gmail dot com | Date: | Thu, 25 May 2006 18:36:21 +0000 |
| Subject: | note 66676 added to function.date | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-112281@lists.php.net to get a copy of this message | ||
Calculates the number of months between two given dates. Which ones can be in any format accepted by
the strtotime.
<?php
/**
* Calcula el número de meses entre dos fechas dadas
*/
function month_diff( $start_date, $end_date ) {
// dates can be in any format accepted by the strtotime function
// convert to UNIX timestamps
$start_date = strtotime( $start_date );
$end_date = strtotime( $end_date );
$months = 0;
$month_seconds = 365.25 * 24 * 3600 / 12; // REAL month seconds
if ( $start_date < $end_date ) {
$date1 = $start_date;
$date2 = $end_date;
} else {
$date1 = $end_date;
$date2 = $start_date;
}
while ( $date1 <= $date2 ) {
$months++;
$date1 += $month_seconds; // Add 1 REAL month.
}
return $months;
}
?>
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Manual Page -- http://www.php.net/manual/en/function.date.php
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