Re: Problems with globals...

From: Date: Tue, 25 Jul 2000 15:55:41 +0000
Subject: Re: Problems with globals...
References: 1  Groups: php.general 
Request: Send a blank email to php-general+get-8070@lists.php.net to get a copy of this message
do this: make it global for use in the function, before you try to manupliate it > function stringsToLower( $stringsArray ) { > global $stringVariable; > for( $elNum = 0; $elNum < count( $stringsArray ); $elNum++ ) { > > $stringVariable = $stringsArray[$elNum]; > > > $stringVariable = strtolower( $$stringVariable ); > > } > } On Tue, 25 Jul 2000, Boget, Chris wrote: > Consider the following code: > > > function stringsToLower( $stringsArray ) { > for( $elNum = 0; $elNum < count( $stringsArray ); $elNum++ ) { > > $stringVariable = $stringsArray[$elNum]; > > global $stringVariable; > > $stringVariable = strtolower( $$stringVariable ); > > } > } > > $joe = "This"; > $bob = "That"; > $briggs = "Other"; > > echo "Before: $joe $bob $briggs<br>\n"; > > stringsToLower( array( "joe", "bob", "briggs" )); > > echo "After: $joe $bob $briggs<br>\n"; > > > Pretty easy to figure out what it does. I need something like this > because there is going to be *alot* of this kind of conversion. > Now, the problem I'm getting in on the line: > > $strVariable = $stringsArray[$elNum]; > > global $strVariable; <--- error here > > generates an error saying that $strVariable is already assigned or > somesuch. I've also tried things like: > > global $stringsArray[$elNum]; > > But that gives me a parse error. > > > Is there any way I can do what I need? I know I cannot get the > actual names of the variables (*grumble* :p), but aside from my > above sample code, I don't know of any other way to do something > like this... > > Any help would be appreciated!! > > Chris > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, e-mail: php-general-unsubscribe@lists.php.net > For additional commands, e-mail: php-general-help@lists.php.net > To contact the list administrators, e-mail: php-list-admin@lists.php.net >

« previous php.general (#8070) next »