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Easy way to test a URL for 404 in PHP?
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If you are using PHP's curl bindings, you can check the error code using curl_getinfo as such:
$handle = curl_init($url);
curl_setopt($handle, CURLOPT_RETURNTRANSFER, TRUE);
/* Get the HTML or whatever is linked in $url. */
$response = cur...
Cross-Origin Request Headers(CORS) with PHP headers
I have a simple PHP script that I am attempting a cross-domain CORS request:
11 Answers
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Reset keys of array elements in php?
...s
foreach($input as &$val) {
$val = array_values($val);
}
http://php.net/array_values
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How do I create a simple 'Hello World' module in Magento?
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First and foremost, I highly recommend you buy the PDF/E-Book from PHP Architect. It's US$20, but is the only straightforward "Here's how Magento works" resource I've been able to find. I've also started writing Magento tutorials at my own website.
Second, if you have a choice, and aren't a...
Best way to create an empty object in JSON with PHP?
...ght therefor say that your code is valid and that it's the method to use.
PHP: Objects - Manual
If a value of any other type is converted to an object, a new instance of the stdClass built-in class is created. If the value was NULL, the new instance will be empty.
.. but, try to keep it safe!
Tho...
How can I check if a URL exists via PHP?
How do I check if a URL exists (not 404) in PHP?
22 Answers
22
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urlencode vs rawurlencode?
...in which case you need urlencode).
rawurlencode follows RFC 1738 prior to PHP 5.3.0 and RFC 3986 afterwards (see http://us2.php.net/manual/en/function.rawurlencode.php)
Returns a string in which all non-alphanumeric characters except -_.~ have been replaced with a percent (%) sign followed by t...
App Inventor 2 UrsAI2UDP 拓展 - UDP广播通信协议 · App Inventor 2 中文网
...设备标识符。然后，接收器会过滤掉它感兴趣的设备。
问题是：App Inventor 没有内置 UDP，而且我找不到可用的扩展。所以自己动手吧。
注意：
如果智能手机和远程站位于同一个（本地）网络中，则扩展可以完美运行。如果智...
Why check both isset() and !empty()
... @karim IMO empty is one of the most misunderstood functions in PHP. The tiny snippet about "no warning is generated" is very easy to overlook. I had to scan the documentation myself a few times to spot it to post it here.
– deceze♦
Dec 30 '10 at 4...
Can I Replace Apache with Node.js?
...e a website running on CentOS using the usual suspects (Apache, MySQL, and PHP). Since the time this website was originally launched, it has evolved quite a bit and now I'd like to do fancier things with it—namely real-time notifications. From what I've read, Apache handles this poorly. I'm wonder...