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How to validate an email address in PHP
...k out this list for tests (both failed and succeeded) of the regex used by PHP's filter_var() function.
Even the built-in PHP functions, email clients or servers don't get it right. Still in most cases filter_var is the best option.
If you want to know which regex pattern PHP (currently) uses to ...
Reference assignment operator in PHP, =&
What does the =& (equals-ampersand) assignment operator do in PHP?
4 Answers
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MySQL integer field is returned as string in PHP
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When you select data from a MySQL database using PHP the datatype will always be converted to a string. You can convert it back to an integer using the following code:
$id = (int) $row['userid'];
Or by using the function intval():
$id = intval($row['userid']);
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How to get the first word of a sentence in PHP?
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Using modern PHP syntax you can just do explode(' ',trim($myvalue))[0]
– Elly Post
Apr 1 '16 at 6:28
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urlencode vs rawurlencode?
...in which case you need urlencode).
rawurlencode follows RFC 1738 prior to PHP 5.3.0 and RFC 3986 afterwards (see http://us2.php.net/manual/en/function.rawurlencode.php)
Returns a string in which all non-alphanumeric characters except -_.~ have been replaced with a percent (%) sign followed by t...
Error 330 (net::ERR_CONTENT_DECODING_FAILED):
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I came across this issue when php was outputting a plain text warning above the gzipped content.
– Mike Causer
Dec 12 '13 at 15:03
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Can I try/catch a warning?
I need to catch some warnings being thrown from some php native functions and then handle them.
11 Answers
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php array为空的判断 - C/C++ - 清泛网 - 专注C/C++及内核技术
php array为空的判断如何判断PHP数组是否为空PHP判断数组为空首选方法：count($arr),size($arr);$arr= array("");echo count($arr);echo size($arr); 输出1...如何判断PHP数组是否为空
PHP判断数组为空首选方法：count($arr), size($arr);
$arr= array("");
ec...
PHP完美实现GIF动画缩略图 - 更多技术 - 清泛网 - 专注C/C++及内核技术
PHP完美实现GIF动画缩略图缩略图是个很常用的功能。它的实现并不复杂，但如果原图是GIF动画的话，问题就会变得繁琐一点，下面通过一个取自CS警匪游戏的GIF动画来说明...缩略图是个很常用的功能。它的实现并不复杂，但如果...
PHP获取图片颜色值的方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
PHP获取图片颜色值的方法本例讲述了PHP实现获取图片颜色值的方法，PHP获取图片颜色值检测图片主要颜色是通过imagecreatefromjpeg函数读取图片，再循环获得各个颜色...本例讲述了PHP实现获取图片颜色值的方法，PHP获取图片颜色值...