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Are PHP Variables passed by value or by reference?

Are PHP variables passed by value or by reference? 14 Answers 14 ...
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In PHP, what is a closure and why does it use the “use” identifier?

I'm checking out some PHP 5.3.0 features and ran across some code on the site that looks quite funny: 6 Answers ...
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How to check if mod_rewrite is enabled in php?

...is possible to check if mod_rewrite is enabled on Apache AND IIS in PHP . 15 Answers ...
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Coalesce function for PHP?

...es have a coalesce function (returns the first non-NULL value, example ). PHP, sadly in 2009, does not. 9 Answers ...
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Getting a timestamp for today at midnight?

How would I go about getting a timestamp in php for today at midnight. Say it's monday 5PM and I want the Timestamp for Monday(today) at midnight(12 am) which already has happened. ...
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JavaScript equivalent of PHP's in_array()

... notice you wanted to see if an array was inside another. According to the PHP documentation this is the expected behavior of PHP's in_array: $a = array(array('p', 'h'), array('p', 'r'), 'o'); if (in_array(array('p', 'h'), $a)) { echo "'ph' was found\n"; } if (in_array(array('f', 'i'), $a)) {...
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How do I use PHP namespaces with autoload?

...Class1 is not in the global scope. See below for a working example: <?php function __autoload($class) { $parts = explode('\\', $class); require end($parts) . '.php'; } use Person\Barnes\David as MyPerson; $class = new MyPerson\Class1(); Edit (2009-12-14): Just to clarify, my usage...
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How to debug Lock wait timeout exceeded on MySQL?

...-----+-------+ 1 row in set (0.01 sec) You can set it to higher value in /etc/my.cnf permanently with this line [mysqld] innodb_lock_wait_timeout=120 and restart mysql. If you cannot restart mysql at this time, run this: SET GLOBAL innodb_lock_wait_timeout = 120; You could also just set it for t...
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What's the difference between a 302 and a 307 redirect?

...doing a DELETE at some location, you would redo your DELETE to the new URL etc Unfortunately every browser did it wrong. When getting a 302, they would always switch to GET at the new URL, rather than retrying the request with the same verb (e.g., POST): Mosaic did it wrong Netscape copied the bug...
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PHP function to build query string from array

I'm looking for the name of the PHP function to build a query string from an array of key value pairs. Please note, I am looking for the built in PHP function to do this, not a homebrew one (that's all a google search seems to return). There is one, I just can't remember its name or find it on php...