note 34538 deleted from function.strspn by nlopess

From: Date: Thu, 08 Jan 2004 16:11:21 +0000
Subject: note 34538 deleted from function.strspn by nlopess
References: 1  Groups: php.notes 
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Note Submitter: dominik@matrixstrom.com ---- // if you want to limit the user to only using allowed chars: function msCheckStrCharsOnly ($myuserstr,$myallowedchars) { $myres=TRUE; $mycheck=strspn($myuserstr,$myallowedchars); if(strlen($myuserstr) != $mycheck) $myres=FALSE; return $myres; } // our allowed chars will be: $charsallowed='ABCDEFGHIJKLMOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'; // check the string 'This is a test' if it contains allowed chars only if (msCheckStrCharsOnly('This is a test',$charsallowed)) echo ('No invalid Chars contained'); else echo('ERROR: contains invalid chars!'); /* this will print 'ERROR: contains invalid chars!' because the ' ' (space) char is not allowed! */

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