Re: Functions and arguments

From: Date: Thu, 30 Jan 2003 01:49:34 +0000
Subject: Re: Functions and arguments
References: 1 2  Groups: php.general 
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> What happens when you run this? Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in /home/virtual/site125/fst/var/www/html/atracker/assignments/index.php on line 15 ID Number Name Created by Created on Due on Class Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in /home/virtual/site125/fst/var/www/html/atracker/assignments/index.php on line 33 There's a lot more mysql_fetch_array warnings, with varying lines. The two lines in question above are: :::::::::::::::::::::::::::::CODE::::::::::::::::::::::::::::: $classes = mysql_query("SELECT period1, period2, period3, period4, period5, period6, periodpaws, period0 FROM students WHERE id = $id"); $classes_array = mysql_fetch_array($classes); :::::::::::::::::::::::::::::CODE::::::::::::::::::::::::::::: :::::::::::::::::::::::::::::CODE::::::::::::::::::::::::::::: $class_info = mysql_query("SELECT * FROM classes WHERE $id = ".$classes_array[period0]); $class_info_array = mysql_fetch_array($class_info); :::::::::::::::::::::::::::::CODE::::::::::::::::::::::::::::: Would I be getting this kind of error if $id was not set correctly? I was doing a bit of testing and for some reason my sessions aren't registering or something :\

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