[Fix How to] PHP 5 and array_merge errors - Page 4

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[Fix How to] PHP 5 and array_merge errors

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[Fix How to] PHP 5 and array_merge errors

Brad

Join Date: Nov 2001

Posts: 4,765

Brad

08-29-2006, 10:00 PM

If you've upgraded to php 5 on your server you may have seen some of your plug-in's and add-ons throwing errors like this:

Quote:

Warning: array_merge() [function.array-merge]: Argument #1 is not an array in /index.php(486) : eval()'d code on line 79

This is a common error, we updated our server to php 5 yesterday and I've already seen the error come up twice for two plug-ins on our forum. Another site on the server is running vBadvanced, its news module also threw the same error.

The reason this came up is due to a change in the way array_merge works in php 5. Basically it will no longer accept anything but an array without throwing an error. Thankfully it's just an 'incorrect usage' error and our code still works as it should, it just throws an error now.

The correct way to fix this is not using array merge with anything but arrays. However we already have a lot of code lying around doing things like this:

PHP Code:


			
$var = 'option1';
$array = array('option2', 'option3', 'option4');

$array = array_merge($var, $array);

Obviously most of us aren't looking to re-write some of this code just so it works under php 5. Thankfully there is a very simple fix for this that won't force us to change much of anything.

Just change your code so it looks like this:

PHP Code:


			
$var = 'option1';
$array = array('option2', 'option3', 'option4');

$array = array_merge((array)$var, $array);

Notice the (array) next to $var now? That is the only change needed. Your code should now work under php 5 and no longer throw array_merge errors.

#32

03-05-2010, 07:49 PM

matrex722

Join Date: Jan 2007

Posts: 161

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please help me

one user cant open his pm and user cp

it get http 500 internal server error

but all members is ok and it works with theme

this is the error i got :

PHP Code:


			
PHP Fatal error:  Unsupported operand types in /home/xxxxxx/public_html/vb/includes/functions_user.php on line 263, referer:

help

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