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Increasing nesting function calls limit

There is one very bad limit in PHP: if you call some function a1() that calls a2(), that calls a3... so when a99() will call a100() you will see ...
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Best way to clear a PHP array's values

Which is more efficient for clearing all values in an array? The first one would require me to use that function each time in the loop of the second example. ...
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What are Long-Polling, Websockets, Server-Sent Events (SSE) and Comet?

... a lot about websockets (with socket.io [a node.js library]) but why not PHP ? You can use PHP with WebSockets, check out Ratchet. share | improve this answer | follow ...
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Is there a point to minifying PHP?

I know you can minify PHP, but I'm wondering if there is any point. PHP is an interpreted language so will run a little slower than a compiled language. My question is: would clients see a visible speed improvement in page loads and such if I were to minify my PHP? ...
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php:获取数组第一个值 - 更多技术 - 清泛网 - 专注C/C++及内核技术

php:获取数组第一个值自PHP 5.4版本后可以使用[ ]来取数据指定位置的元素,索引从0开始,即$arr[0]取数组第一个值。不过为了兼容性,建议还是采取reset(),current(),next()等函数来取数组中的值,reset($arr)后current($arr)取第一个值。自...
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PHP优化杂烩 - 更多技术 - 清泛网 - 专注C/C++及内核技术

PHP优化杂烩讲 PHP 优化的文章往往都是教大家如何编写高效的代码,本文打算从另一个角度来讨论问题,教大家如何配置高效的环境,如此同样能够达到优...讲 PHP 优化的文章往往都是教大家如何编写高效的代码,本文打算从另...
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LINUX下用PHPIZE安装PHP GD扩展 - PHP - 清泛IT论坛,有思想、有深度

...zqp2013 于 2015-4-26 14:39 编辑 环境:LNMP in centOS 6.4。linux下PHP的扩展可以用phpize的方法,比较简单地进行启用。以下以PHP-GD2 库安装为例子。sudo yum install php-gd2  png jpeg freetype   //YUM安装扩展cd /app/php-5.4.13/ext/gd &nbs...
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PHP Replace last occurrence of a String in a String?

...he first occurrence of a substring in a string - edit: wow. Php geniuses really made a function called strpos and strrpos ? Thanks.... – BarryBones41 Oct 5 '15 at 21:22 ...
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How to use a switch case 'or' in PHP

...ase 2: echo "the value is either 1 or 2."; break; } This is called "falling through" the case block. The term exists in most languages implementing a switch statement. share | improve ...
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What's the difference between array_merge and array + array?

...ruth regarding the OP). 2. See Yehosef's answer about what array_merge actually does... 3. And see BoltClock's answer about another crucial difference not mentioned here: array_merge resets numeric keys, unlike +. – Sz. Sep 20 '18 at 23:31 ...