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Which version of CodeIgniter am I currently using?

...deIgniter version number. It's defined in: /system/codeigniter/CodeIgniter.php As of CodeIgniter 2, it's defined in /system/core/CodeIgniter.php For example, echo CI_VERSION; // echoes something like 1.7.1 share ...
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How to remove all leading zeroes in a string

...oat however, it seems to work ok. Strange – JamesHalsall Feb 23 '11 at 23:37 manual says that "The size of an integer ...
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Difference between break and continue in PHP?

What is the difference between break and continue in PHP? 10 Answers 10 ...
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Sort array of objects by object fields

...gt;name, $b->name); } usort($your_data, "cmp"); You can also use any callable as the second argument. Here are some examples: Using anonymous functions (from PHP 5.3) usort($your_data, function($a, $b) {return strcmp($a->name, $b->name);}); From inside a class usort($your_data, arr...
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What is the difference between self::$bar and static::$bar in PHP?

...keyword. In this case, your Foo class defines a protected static property called $bar. When you use self in the Foo class to refer to the property, you're referencing the same class. Therefore if you tried to use self::$bar elsewhere in your Foo class but you had a Bar class with a different value ...
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Loop code for each file in a directory [duplicate]

... Is the $files variable used to avoid calling scandir() more than once in the foreach loop? Or can I embed it directly without any side effects? – Zero3 May 10 '15 at 15:57 ...
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Convert timestamp to readable date/time PHP

... Use PHP's date() function. Example: echo date('m/d/Y', 1299446702); share | improve this answer | fo...
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Which one is the best PDF-API for PHP? [closed]

Which one of these is the best PDF-API for PHP? 9 Answers 9 ...
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?: operator (the 'Elvis operator') in PHP

I saw this today in some PHP code: 5 Answers 5 ...
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Javascript Equivalent to PHP Explode()

... This is a direct conversion from your PHP code: //Loading the variable var mystr = '0000000020C90037:TEMP:data'; //Splitting it with : as the separator var myarr = mystr.split(":"); //Then read the values from the array where 0 is the first //Since we skipped ...