"Call-time pass-by-reference has been removed"

dotcloud, php, wordpress

Solution

Replace `&$count` with just `$count`. `&` meant you want variable to be passed by reference, not value:

Documentation says

There is no reference sign on a function call - only on function definitions. Function definitions alone are enough to correctly pass the argument by reference. As of PHP 5.3.0, you will get a warning saying that "call-time pass-by-reference" is deprecated when you use & in foo(&$a);.

So if you want to pass variable by reference to the function, you should use `&` in function declaration:

This now should be done that way:

// right
function foo(&$var) {
...
}

foo($foo);

but not that way (as you get this warning):

function foo($var) {
...
}

foo(&$foo);   // <--- wrong

Problem

I'm trying to deploy Wordpress on Dotcloud using this repo but there is an error that appears in the logs: ``` 18:59:19: [www.0] Running postinstall script... 18:59:21: [www.0] PHP Fatal error: Call-time pass-by-reference has been removed in /home/dotcloud/rsync-1353715101184/dotcloud-scripts/feed-wp-config.php on line 86 ``` Looking at line 86 in feed-wp-config.php, it reads: ``` $content = preg_replace('/(define\(\'' . $property . '\', \')(.*)(\'\);)/', '${1}' . $value . '${3}', $content, -1, &$count); ``` When I go to the Wordpress start page it says, "There doesn't seem to be a wp-config.php file. I need this before we can get started." I've cross-posted this to the repo's Github issue tracker, but as there hasn't yet been a response I'm posting it here as well in hopes that someone knows the answer.

Original source