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Replacing all non-alphanumeric characters with empty strings

... He's probably used to programming in PHP. – William Nov 26 '09 at 20:31 10 ...
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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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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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How can I split a comma delimited string into an array in PHP?

... One way is to use count() (aka sizeof) - php.net/manual/en/function.count.php – Matthew Groves Nov 11 '15 at 13:19 2 ...
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How to prevent caching of my Javascript file? [duplicate]

... <script src="test.js?random=<?php echo uniqid(); ?>"></script> EDIT: Or you could use the file modification time so that it's cached on the client. <script src="test.js?random=<?php echo filemtime('test.js'); ?>"></script>...
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What does a \ (backslash) do in PHP (5.3+)?

What does a \ do in PHP? 4 Answers 4 ...
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What is the difference between public, private, and protected?

...e property / method will be public. More: (For comprehensive information) PHP Manual - Visibility share | improve this answer | follow | ...
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How do I convert a string to a number in PHP?

...Script we can use Number() , but is there any similar method available in PHP? 30 Answers ...
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PHP - concatenate or directly insert variables in string

I am wondering, What is the proper way for inserting PHP variables into a string? This way: 14 Answers ...
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Remove non-utf8 characters from string

... what to use instead $regex = <<<'END' for PHP < 5.3.x ? – serhio Apr 8 '10 at 23:00 ...