Re: note 11383 added to Array Functions

You could also use: if (in_array($someindex, array_keys($somearray))) { ... } instead. Will add that as a note to your comment. Tnxs for your contribution. --- memso@memso.com wrote: > Ever had a dynamically generated associative array, > and wanted an easy way to figure out if an index > exists or not? Here's my simple solution: > > // Sample Array > $somearray = array(0 => "Hi", 1 => 14, 2 => > "Testing", 4 => "Bob"); > > // Does $someindex exist in $somearray? > if (gettype($somearray[$someindex])!="NULL") { > // It does exist > } else { > // It doesn't exist > } > > > This also works with multi-dimensional arrays: > > $userarray = array{ > 0 => array("Name" => "Bob", "PW" => > "lAm24"), > 1 => array("Name" => "John", "PW" => > "Iam24andTHE1"), > 3 => array("Name" => "Joe", "PW" => > "blahhalb")); > // (Not real PW data, just a sample!) > > // Does the user ID exist? > if (gettype($userarray[$userid])!="NULL") { > // The User ID exists > } else { > // The User ID doesn't exist > } > > http://www.php.net/manual/en/ref.array.php > > > -- > PHP Notes Mailing List (http://www.php.net/) > To unsubscribe, e-mail: > php-notes-unsubscribe@lists.php.net > For additional commands, e-mail: > php-notes-help@lists.php.net > To contact the list administrators, e-mail: > php-list-admin@lists.php.net > ===== --- Jesus M. Castagnetto <jmcastagnetto@php.net> __________________________________________________ Do You Yahoo!? Get personalized email addresses from Yahoo! Mail - only $35 a year! http://personal.mail.yahoo.com/