大约有 5,800 项符合查询结果（耗时：0.0232秒） [XML]
PHP code to remove everything but numbers
....new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f6604455%2fphp-code-to-remove-everything-but-numbers%23new-answer', 'question_page');
}
);
Post as a guest
...
What is the best collation to use for MySQL with PHP? [closed]
...gs should be the same, such as MySQL, Apache, the HTML and anything inside PHP.
11 Answers
...
Force SSL/https using .htaccess and mod_rewrite
... can I force to SSL/https using .htaccess and mod_rewrite page specific in PHP.
9 Answers
...
In where shall I use isset() and !empty()
...riables and not just values, so isset("foobar") will raise an error. As of PHP 5.5, empty supports both variables and expressions.
So your first question should rather be if isset returns true for a variable that holds an empty string. And the answer is:
$var = "";
var_dump(isset($var));
The typ...
Get original URL referer with PHP?
...%2fstackoverflow.com%2fquestions%2f1864583%2fget-original-url-referer-with-php%23new-answer', 'question_page');
}
);
Post as a guest
Name
...
Creating .pem file for APNS?
...ed the above steps and now its working.I have kept the certificate and the php script on my local web server (Xampp). I am able to get the device token , and i am using it in the php script. The php script is able to connect and send payload data. But still then i am not able to get the PUSH Notifi...
正则表达式 30 分钟入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
....Net下的工具 正则表达式测试器。请参考该页面的说明来安装和运行该软件。
下面是Regex Tester运行时的截图：
元字符
现在你已经知道几个很有用的元字符了，如\b,.,*，还有\d.正则表达式里还有更多的元字符，比如\s匹配任意...
How to check for null in Twig?
...
In addition, unlike the PHP isset() function, is defined will return true if a variable is defined and it's value is null.
– Pavel Petrov
Sep 19 '17 at 7:59
...
Detect encoding and make everything UTF-8
...ixing UTF-8 and Latin1 in the same string.
Usage:
require_once('Encoding.php');
use \ForceUTF8\Encoding; // It's namespaced now.
$utf8_string = Encoding::toUTF8($utf8_or_latin1_or_mixed_string);
$latin1_string = Encoding::toLatin1($utf8_or_latin1_or_mixed_string);
Download:
https://github.co...
What is the most accurate way to retrieve a user's correct IP address in PHP?
... fully-validated, and fully-packaged, version of @AlixAxel's answer:
<?php
/* Get the 'best known' client IP. */
if (!function_exists('getClientIP'))
{
function getClientIP()
{
if (isset($_SERVER["HTTP_CF_CONNECTING_IP"]))
{
...