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Difference between array_map, array_walk and array_filter
... arbitrary parameter to pass to the callback. This mostly irrelevant since PHP 5.3 (when anonymous functions were introduced).
Length of Returned Array:
The resulting array of array_map has the same length as that of the largest input array; array_walk does not return an array but at the same tim...
POST data with request module on Node.JS
...: 'application/x-www-form-urlencoded'},
url: 'http://localhost/test2.php',
body: "mes=heydude"
}, function(error, response, body){
console.log(body);
});
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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。...
How do I see the extensions loaded by PHP?
It's got to be somewhere in the phpinfo() dump, but I just don't know where. Is it supposed to be under the "Additional Modules" section? Somewhere else? I'm trying to figure out why some extensions don't appear to be loaded, but I don't even know where I should be looking.
...
惨不忍睹：说一说你最穷的时候是什么样子 - 创意 - 清泛网 - 专注C/C++及内核技术
...话说，一分钱难倒英雄汉，有的时候没钱真的很难。那么问题来了，...
每个人的一生中都会和金钱打交道，每个人也都会遇到囊中羞涩的时候。俗话说，一分钱难倒英雄汉，有的时候没钱真的很难。那么问题来了，你最穷...
How to destroy an object?
...It will stay there, however if you unset the object and your script pushes PHP to the memory limits the objects not needed will be garbage collected. I would go with unset() (as opposed to setting it to null) as it seems to have better performance (not tested but documented on one of the comments fr...
Is there any difference between __DIR__ and dirname(__FILE__) in PHP?
...7)
But, there are at least two differences :
__DIR__ only exists with PHP >= 5.3
which is why dirname(__FILE__) is more widely used
__DIR__ is evaluated at compile-time, while dirname(__FILE__) means a function-call and is evaluated at execution-time
so, __DIR__ is (or, should be) faste...
How to convert date to timestamp in PHP?
... This solution can lead to an unexpected behavior. Those who use PHP 5.3+ should adopt Prof. Falken answer, in which one has full control over the date format.
– Luca Fagioli
Apr 13 '15 at 20:22
...
PHP convert XML to JSON
I am trying to convert xml to json in php. If I do a simple convert using simple xml and json_encode none of the attributes in the xml show.
...
best practice to generate random token for forgot password
...
In PHP, use random_bytes(). Reason: your are seeking the way to get a password reminder token, and, if it is a one-time login credentials, then you actually have a data to protect (which is - whole user account)
So, the code wi...