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How can I get useful error messages in PHP?
...ple syntax error (wrong bracket, missing semicolon), or a failed function call, or something else entirely.
43 Answers
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How do I remove all specific characters at the end of a string in PHP?
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using rtrim replaces all "." at the end, not just the last character
$string = "something here..";
echo preg_replace("/\.$/","",$string);
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APP被手机识别为疑似病毒 - App应用开发 - 清泛IT社区，为创新赋能！
...用，忽略警告，加入白名单，继续安装，使用上没有任何问题。有些手机有所谓的“纯净模式”阻止安装，可以考虑在设置中关闭它。
2、如果想要发布，可以先线上检测一下：https://m.qq.com/security_lab/scans_online.jsp
上传APK文件...
Cookies on localhost with explicit domain
...unction.setcookie.php#73107.
If working with the Java Servlet API, don't call the cookie.setDomain("...") method at all.
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Best way to initialize (empty) array in PHP
...ferent ways, with the literal grammar not being dogged by the overhead of calling a function.
PHP, on the other hand, has language constructs that may look like functions but aren't treated as such. Even with PHP 5.4, which supports [] as an alternative, there is no difference in overhead because...
String comparison using '==' vs. 'strcmp()'
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@onur güngör Actually, this does answers the op's question, which is So is there any reason to use strcmp() ?, while Postfuturist's answer doesn't. Oh, hell... no one answer seemed to compile at once the use of strcmp(), the performance of =...
The character encoding of the HTML document was not declared
...head:
<meta charset="UTF-8">
the character encoding (which is actually UTF-8) of the html document was not declared
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List of Big-O for PHP functions
After using PHP for a while now, I've noticed that not all built-in PHP functions are as fast as expected. Consider these two possible implementations of a function that finds if a number is prime using a cached array of primes.
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Passing an Array as Arguments, not an Array, in PHP
...dard func($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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Multiple returns from a function
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Technically, you can't return more than one value. However, there are multiple ways to work around that limitation. The way that acts most like returning multiple values, is with the list keyword:
function getXYZ()
{
return arr...