note 48581 added to function.bcmod
| From: | phil at NOSPAM dot blissnetworks dot net | Date: | Fri, 31 Dec 2004 04:35:55 +0000 |
| Subject: | note 48581 added to function.bcmod | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-82488@lists.php.net to get a copy of this message | ||
Just some code that validates a ABN (Australian Business Number), uses modulus 89.
Its pretty simple but may be handy for someone out there.
<?
//Validate an ABN
public function validate_abn($abn){
$digit ;
$sum ;
$length = strlen($abn) ;
$weighting = Array(10,1,3,5,7,9,11,13,15,17,19) ;
for($i=0;$i<$length;$i++){
$digit = substr($abn,$i,1) ;
if($i == 0){
$digit -= 1 ;
}
$sum += ($digit*$weighting[$i]) ;
}
if($sum % 89 == 0){
return TRUE ;
}
else{
return FALSE ;
}
}
?>
----
Manual Page -- http://www.php.net/manual/en/function.bcmod.php
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