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PHP去除字符串中的最后一个字符 - 更多技术 - 清泛网 - 专注C/C++及内核技术
PHP去除字符串中的最后一个字符最常见的方法是substr($str, strlen($str) - 1)，但使用rtrim($str, , )更优雅。
<?php //PHP去除字符串中的最后一个字符
$str="aaaa,bbb,ccc,ddd,eee,";
echo rtrim($str,','); //第一种方法 trim($str,$chsrlist)去除两边的
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PDO MySQL扩展模块 检测通不过？ - PHP - 清泛IT论坛，有思想、有深度
php.in中下面两行已经放开注释：
extension=pdo.so
extension=pdo_mysql.so
PDO检测仍然通不过。
终极解决方案：
php编译时加上如下参数，重新编译安装php：
--with-pdo-mysql
php编译安装完整参数请参见：http://www.tsingfun.com/html/2015/env_0826...
【解决】php报错：Can not connect to MySQL server - 更多技术 - 清泛网 -...
【解决】php报错：Can not connect to MySQL server遇到这种情况，如果是mysql安装问题，可以通过命名测试一下：mysql -uroot -p如果用户名密码验证能够正常连接，但php报错的话，那大概率是因为你访问的库没有被创建，创建一下就OK了。...
How to make a PHP SOAP call using the SoapClient class
I'm used to writing PHP code, but do not often use Object-Oriented coding. I now need to interact with SOAP (as a client) and am not able to get the syntax right. I've got a WSDL file which allows me to properly set up a new connection using the SoapClient class. However, I'm unable to actually make...
Count how many files in directory PHP
...s is cute, but I can imagine it being fairly confusing/unreadable for most PHP devs. I would go with one of the approaches in the other answers.
– user428517
Oct 9 '12 at 16:10
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How to catch curl errors in PHP
I am using PHP curl functions to post data to the web server from my local machine. My code is as follows:
5 Answers
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How to check if PHP array is associative or sequential?
PHP treats all arrays as associative, so there aren't any built in functions. Can anyone recommend a fairly efficient way to check if an array contains only numeric keys?
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PHP: How to check if image file exists?
...ted. And then, it will only work when allow_url_fopen is activated in your PHP config
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How to find out where a function is defined?
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You could also do this in PHP itself:
$reflFunc = new ReflectionFunction('function_name');
print $reflFunc->getFileName() . ':' . $reflFunc->getStartLine();
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How to pass an array within a query string?
...value fields or arrays would be:
?cars[]=Saab&cars[]=Audi (Best way- PHP reads this into an array)
?cars=Saab&cars=Audi (Bad way- PHP will only register last value)
?cars=Saab,Audi (Haven't tried this)
Form Examples
On a form, multi-valued fields could take the form of a select box set ...