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CentOS+Nginx+PHP+MySQL详细配置(图解) - PHP - 清泛IT论坛，有思想、有深度
...页请求，也就是html.如果是来自动态的网页请求，比如*.php，那么Nginx就要根据正则表达式查询路径，然后把*.PHP交给PHP去处理
#rpm -qa | grep pcre //查询系统中有没有安装PCRE，一般装...
Convert a series of parent-child relationships into a hierarchical tree?
...o '</ul>';
}
}
You'll only save 8 iterations on a dataset as small as this but on bigger sets it could make a difference.
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How to get Url Hash (#) from server side
...e with .ClientID but we found it simpler to just use the wrapper DIV as it allows all this Javascript to live in an external file and be used in a generic fashion.
If the hidden input field has a valid value, set that as the URL hash (window.location.hash again) and/or perform other actions.
We us...
PHP function to generate v4 UUID
... PHP docs explicitly caution that mt_rand() does not generate cryptographically secure values. In other words, values generated by this function may be predictable. If you need to ensure that the UUIDs are not predictable, you should rather use Jack's solution below, which makes use of the openssl_r...
PHP: Return all dates between two dates in an array [duplicate]
...terator_to_array($period) to get your array. This function is available in all PHP versions where DateInterval is available.
– Aaron Adams
Apr 26 '13 at 3:25
37
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window.location.reload with clear cache [duplicate]
...
UPDATE 1
After reading the comments I realize you wanted to programmatically erase the cache and not every time. What you could do is have a function in JS like:
eraseCache(){
window.location = window.location.href+'?eraseCache=true';
}
Then, in PHP let's say, you do something like this:
&l...
Is there a use-case for singletons with database access in PHP?
...bsolutely sure that you'll never have more than one instance of, you eventually have a second. You may end up with a second monitor, a second database, a second server--whatever.
When this happens, if you have used a static class you're in for a much worse refactor than if you had used a singleton...
How do I use the ternary operator ( ? : ) in PHP as a shorthand for “if / else”?
...ndition is false */ ;
syntax is not a "shorthand if" operator (the ? is called the conditional operator) because you cannot execute code in the same manner as if you did:
if (condition) {
/* condition is true, do something like echo */
}
else {
/* condition is false, do something else */
...
What Does This Mean in PHP -> or => [duplicate]
I see these in PHP all the time but I don't have a clue as to what they actually mean. What does -> do and what does => do. And I'm not talking about the operators. They're something else, but nobody seems to know...
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PHP best way to MD5 multi-dimensional array?
...ll work.
md5(serialize($array));
However, it's worth noting that (ironically) json_encode performs noticeably faster:
md5(json_encode($array));
In fact, the speed increase is two-fold here as (1) json_encode alone performs faster than serialize, and (2) json_encode produces a smaller string an...