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What is an .inc and why use it?

I often see examples in PHP that include.inc files. What is the meaning of .inc? What it is used for? What are the disadvantages and advantages of using it? ...
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json_encode() escaping forward slashes

...ur enemy) json_encode($str, JSON_UNESCAPED_SLASHES); If you don't have PHP 5.4 at hand, pick one of the many existing functions and modify them to your needs, e.g. http://snippets.dzone.com/posts/show/7487 (archived copy). Example Demo <?php /* * Escaping the reverse-solidus character ("/"...
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Get first key in a (possibly) associative array?

... 2019 Update Starting from PHP 7.3, there is a new built in function called array_key_first() which will retrieve the first key from the given array without resetting the internal pointer. Check out the documentation for more info. You can use reset...
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Calculate total seconds in PHP DateInterval

... +1: nice and clean! Note that getTimestamp() method is available in PHP >= 5.3.0. – Sk8erPeter Jun 19 '12 at 11:43 6 ...
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What is for Python what 'explode' is for PHP?

...ekar SP" . I want to split it with delimiter like we do using explode in PHP. 2 Answers ...
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Get value of dynamically chosen class constant in PHP

... $id = constant("ThingIDs::$thing"); http://php.net/manual/en/function.constant.php share | improve this answer | follow | ...
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Simplest way to detect a mobile device in PHP

...est way to tell if a user is using a mobile device to browse my site using PHP? 15 Answers ...
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Traits vs. interfaces

I've been trying to study up on PHP lately, and I find myself getting hung up on traits. I understand the concept of horizontal code reuse and not wanting to necessarily inherit from an abstract class. What I don't understand is: What is the crucial difference between using traits versus interfaces?...
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C++形参与实参的区别(实例解析) - C/C++ - 清泛网 - 专注C/C++及内核技术

...b的值似乎没有交换,仍旧是a为4,b为6,刚开始以为代码有问题,后来设置了断点之后,发现代码运行到exchg3(&a,&b)时,a=6,b=4了,所以代码运行结果和初始值一样的话,说明已经交换了a,b的值,至此说明代码是没有任何问题的。...
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How do you remove an array element in a foreach loop?

... use($found_tag){ return $e != $found_tag['name']; }); As the php documentation reads: As foreach relies on the internal array pointer in PHP 5, changing it within the loop may lead to unexpected behavior. In PHP 7, foreach does not use the internal array pointer. ...