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PHP foreach change original array values

...lt;= 0) { $fields[$key]['value'] = "Some error"; } } So basically use $field when you need the values, and $fields[$key] when you need to change the data. share | improve this answer ...
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Passing an Array as Arguments, not an Array, in PHP

...dard func($arg1, $arg2) manner. But now I'm lost on how to do it. I recall the manner of passing by reference, how to "glob" incoming parameters ... but not how to de-list the array into a list of arguments. ...
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How do I remove all specific characters at the end of a string in PHP?

... using rtrim replaces all "." at the end, not just the last character $string = "something here.."; echo preg_replace("/\.$/","",$string); share | ...
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How to make PDF file downloadable in HTML link?

... header("Content-Length: " . filesize($file)); flush(); // this doesn't really matter. $fp = fopen($file, "r"); while (!feof($fp)) { echo fread($fp, 65536); flush(); // this is essential for large downloads } fclose($fp); PS: and obviously run some sanity checks on the "file" variable t...
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New self vs. new static

I am converting a PHP 5.3 library to work on PHP 5.2. The main thing standing in my way is the use of late static binding like return new static($options); , if I convert this to return new self($options) will I get the same results? ...
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PHP Fatal error: Cannot redeclare class

...x situation). The include_once tip helps to clarify an obscure feature of PHP. – DavidHyogo Mar 20 '13 at 2:12 2 ...
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List of Big-O for PHP functions

After using PHP for a while now, I've noticed that not all built-in PHP functions are as fast as expected. Consider these two possible implementations of a function that finds if a number is prime using a cached array of primes. ...
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通过FastCGI Cache实现服务降级 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...义。在继续之前,不妨先介绍一下案例的背景情况:一个PHP网站,以读为主,原本躲在CDN后面,运行很稳定,后来新增了很多强调个性化的需求,便去掉了CDN,进而导致系统稳定性受到影响。因为历史包袱重,所以完全废弃以前...
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How to let PHP to create subdomain automatically for each user?

...tp://user.mywebsite.com ? Do i have to access htaccess somehow? Is it actually simply possible to create it via pure php code or I need to use some external script-server side language? ...
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Cookies on localhost with explicit domain

...unction.setcookie.php#73107. If working with the Java Servlet API, don't call the cookie.setDomain("...") method at all. share | improve this answer | follow ...