note 85204 added to function.is-null

From: Date: Wed, 20 Aug 2008 04:31:21 +0000
Subject: note 85204 added to function.is-null
Groups: php.notes 
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Testing for a NULL field/column returned by a mySQL query. Say you want to check if field/column “foo” from a given row of the table “bar” when returned by a mySQL query is null. You just use the “is_null()” function: [connect…] $qResult=mysql_query("Select foo from bar;"); while ($qValues=mysql_fetch_assoc($qResult)) if (is_null($qValues["foo"])) echo "No foo data!"; else echo "Foo data=".$qValues["foo"]; […] ---- Server IP: 216.235.15.211 Probable Submitter: 205.205.253.95 ---- Manual Page -- http://www.php.net/manual/en/function.is-null.php Edit -- https://master.php.net/note/edit/85204 Del: integrated -- https://master.php.net/note/delete/85204/integrated Del: useless -- https://master.php.net/note/delete/85204/useless Del: bad code -- https://master.php.net/note/delete/85204/bad+code Del: spam -- https://master.php.net/note/delete/85204/spam Del: non-english -- https://master.php.net/note/delete/85204/non-english Del: in docs -- https://master.php.net/note/delete/85204/in+docs Del: other reasons-- https://master.php.net/note/delete/85204 Reject -- https://master.php.net/note/reject/85204 Search -- https://master.php.net/manage/user-notes.php

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