大约有 17,000 项符合查询结果(耗时:0.0222秒) [XML]

https://stackoverflow.com/ques... 

Remove excess whitespace from within a string

...xtra whitespace for you - make sure you have "\" before "s" :) some online-php-testing pages remove it :) – jave.web Jul 3 '16 at 11:27 ...
https://www.tsingfun.com/it/tech/1600.html 

LR性能指标解释 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...深入地分析网站上那些下载很慢的图形或中断的连接等有问题的 元素。 1、Web Page Breakdown(页面分解总图) "页面分解"显示某一具体事务在测试过程的响应情况,进而分析相关的事务运行是否正常。 "页面分解"图可以按下面...
https://stackoverflow.com/ques... 

Manipulate a url string by adding GET parameters

... Basic method $query = parse_url($url, PHP_URL_QUERY); // Returns a string if the URL has parameters or NULL if not if ($query) { $url .= '&category=1'; } else { $url .= '?category=1'; } More advanced $url = 'http://example.com/search?keyword=test&...
https://stackoverflow.com/ques... 

How can I capture the result of var_dump to a string?

... Use output buffering: <?php ob_start(); var_dump($someVar); $result = ob_get_clean(); ?> share | improve this answer | ...
https://stackoverflow.com/ques... 

PHP 5.4 Call-time pass-by-reference - Easy fix available?

... call by reference in the function definition, not the actual call. Since PHP started showing the deprecation errors in version 5.3, I would say it would be a good idea to rewrite the code. From the documentation: There is no reference sign on a function call - only on function definitions. F...
https://www.tsingfun.com/it/tech/743.html 

Linux的诞生和发展 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...的时候已经想到要实现与POSIX(UNIX 的国际标准)的兼容问题了。   Linux 操作系统的诞生   1981 年IBM 公司推出享誉全球的微型计算机IBM PC。在1981-1991 年间,MS-DOS 操作系统一直是微型计算机上操作系统的主宰。此时计算机...
https://stackoverflow.com/ques... 

What is the difference between MySQL, MySQLi and PDO? [closed]

... There are (more than) three popular ways to use MySQL from PHP. This outlines some features/differences PHP: Choosing an API: (DEPRECATED) The mysql functions are procedural and use manual escaping. MySQLi is a replacement for the mysql functions, with object-oriented and procedur...
https://stackoverflow.com/ques... 

Add Text on Image using PIL

... To add text on an image file, just copy/paste the code below <?php $source = "images/cer.jpg"; $image = imagecreatefromjpeg($source); $output = "images/certificate".rand(1,200).".jpg"; $white = imagecolorallocate($image,255,255,255); $black = imagecolorallocate($image,7,94,94); $font_siz...
https://bbs.tsingfun.com/thread-481-1-1.html 

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...
https://stackoverflow.com/ques... 

Allowed memory size of 33554432 bytes exhausted (tried to allocate 43148176 bytes) in php

...the answer: Just add this line before the line where you get error in your php file ini_set('memory_limit', '-1'); It will take unlimited memory usage of server, it's working fine. Consider '44M' instead of '-1' for safe memory usage. ...