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php 遍历目录批量转换文件编码 - 更多技术 - 清泛网 - 专注C/C++及内核技术

php 遍历目录批量转换文件编码遍历当前目录及子目录。把所有的文件编码转换为UTF-8,代码如下:< ?php php iconv.php exec it on root dir$path = dirname(__F...遍历当前目录及子目录。把所有的文件编码转换为UTF-8,代码如下: < ?php //php ...
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cleanest way to skip a foreach if array is empty [duplicate]

...t need: foreach ((array) $items as $item) { print $item; } Note: to all the people complaining about typecast, please note that the OP asked cleanest way to skip a foreach if array is empty (emphasis is mine). A value of true, false, numbers or strings is not considered empty. In addition, th...
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What is the difference between is_a and instanceof?

...ut PHP versions &gt;= 5.3.9 now accept an optional third boolean argument $allow_string (defaults to false) to allow comparisons of string class names instead: class MyBaseClass {} class MyExtendingClass extends MyBaseClass {} // Original behavior, evaluates to false. is_a(MyExtendingClass::class,...
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How can I force users to access my page over HTTPS instead of HTTP?

... The way I've done it before is basically like what you wrote, but doesn't have any hardcoded values: if($_SERVER["HTTPS"] != "on") { header("Location: https://" . $_SERVER["HTTP_HOST"] . $_SERVER["REQUEST_URI"]); exit(); } ...
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淘宝网采用什么技术架构来实现网站高负载的 - 更多技术 - 清泛网 - 专注C/C...

...,我们怎么办?通常来说,我们都是通过集群来解决这个问题,而通常所说的集群,不仅有负载均衡,更重要的是要有失效恢复failover,比如tomcat采 用的集群节点广播复制,jboss采 用的配对复制等session状 态复制策略,但是集群中...
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PHP global in functions

...ngletons, registries, constants). You do not want to use them. A function call should not have to rely on anything outside, e.g. function fn() { global $foo; // never ever use that $a = SOME_CONSTANT // do not use that $b = Foo::SOME_CONSTANT; // do not use that unl...
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Authenticating in PHP using LDAP through Active Directory

...users through LDAP with PHP (with Active Directory being the provider). Ideally, it should be able to run on IIS 7 ( adLDAP does it on Apache). Anyone had done anything similar, with success? ...
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deque iterator not dereferencable 问题 - C/C++ - 清泛网 - 专注C/C++及内核技术

deque iterator not dereferencable 问题STL里面出现这个问题,纠结了半天,不知道什么原因。当然deque iterator not dereferencable。这个是deque出问题,vector、list也可以出...STL里面出现这个问题,纠结了半天,不知道什么原因。 当然deque iterat...
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Passing base64 encoded strings in URL

...ommend just writing your own helpers. Like these from the comments on the php manual page for base64_encode: function base64_url_encode($input) { return strtr(base64_encode($input), '+/=', '._-'); } function base64_url_decode($input) { return base64_decode(strtr($input, '._-', '+/=')); } ...
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How to destroy an object?

... objects as soon as the page is served. So this should only be needed on really long loops and/or heavy intensive pages. share | improve this answer | follow |...