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How to solve “Fatal error: Class 'MySQLi' not found”?

... On AWS, you just run sudo yum install php-mysqli – bobobobo Sep 11 '14 at 16:21 F...
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Is PHP's count() function O(1) or O(n) for arrays?

Does count() really count the all the elements of a PHP array, or is this value cached somewhere and just gets retrieved? ...
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Is PHP compiled or interpreted?

Is PHP compiled or interpreted? 9 Answers 9 ...
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PHP session lost after redirect

How do I resolve the problem of losing a session after a redirect in PHP? 35 Answers 3...
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In PHP, how to detect the execution is from CLI mode or through browser ? [duplicate]

I have a common script which Im including in my PHPcron files and the files which are accessing through the browser. Some part of the code, I need only for non cron files. How can I detect whether the execution is from CLI or through browser (I know it can be done by passing some arguments with the ...
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Has Facebook sharer.php changed to no longer accept detailed parameters?

... Facebook no longer supports custom parameters in sharer.php The sharer will no longer accept custom parameters and facebook will pull the information that is being displayed in the preview the same way that it would appear on facebook as a post from the url OG meta tags....
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Pretty-Printing JSON with PHP

I'm building a PHP script that feeds JSON data to another script. My script builds data into a large associative array, and then outputs the data using json_encode . Here is an example script: ...
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Why is require_once so bad to use?

Everything I read about better PHP coding practices keeps saying don't use require_once because of speed. 14 Answers ...
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How do the PHP equality (== double equals) and identity (=== triple equals) comparison operators dif

What is the difference between == and === in PHP? 11 Answers 11 ...
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php $_POST array empty upon form submission

I have a custom CMS i've built that works perfectly on my dev box (Ubuntu/PHP5+/MySQL5+). 27 Answers ...