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Help Using BOOLEAN


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Hello, i am trying to understand why this is happening to me.....


can someone please explain why when i use a boolean inside of a function, it echo's out the number 1 instead of returning it?


I am doing this on a Wordpress website inside of the index.php file at the first line.


when it redirects the user, the number 1 appears at the very top of the page.



here is my code for trying to use it:


<?php if($tm->mobile_check()){ header("Location: http://m.mywebsite.com/"); } ?>


here is my code for the function:



function mobile_check()
	$iPod = stripos($_SERVER['HTTP_USER_AGENT'],"iPod");
	$iPhone = stripos($_SERVER['HTTP_USER_AGENT'],"iPhone");
	$iPad = stripos($_SERVER['HTTP_USER_AGENT'],"iPad");
	$Android= stripos($_SERVER['HTTP_USER_AGENT'],"android");
	$webOS= stripos($_SERVER['HTTP_USER_AGENT'],"webOS");	

	$mobile = FALSE;

		case $iPod:
		case $iPhone:
		case $iPad:
		case $Android:
		case $webOS:
		$mobile = TRUE;



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Are you absolutely sure that it is this code that is causing the issue, and not something else? When testing this outside of Wordpress, I don't get any "1"s.


That said, two points:


-- Don't you need to "return $mobile;" at the end of your function?


-- I'm pretty sure that you are using "switch" incorrectly, and it won't have the results you are expecting: http://php.net/manual/en/control-structures.switch.php. You're currently saying if $mobile (set to false) == $ipad (set to false) then turn $mobile to true. Seems like a logic error there.

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i have no idea what the problem was.....


but i found a way around it. :clap:



by the way, i think the switch case statement is working correctly.


i am trying to say that if the $_SERVER['HTTP_USER_AGENT'] contains any of the following: ipad, iphone, android, ipod, webos then return is mobile.


so that i can re-direct the user to a mobile compatible website.



Thanks for your help :)

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