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How to trim white spaces of array values in php
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array_walk() can be used with trim() to trim array
<?php
function trim_value(&$value)
{
$value = trim($value);
}
$fruit = array('apple','banana ', ' cranberry ');
var_dump($fruit);
array_walk($fruit, 'trim_value');
var_dump($fruit);
?>
See 2nd example at http...
error_log per Virtual Host?
On one Linux Server running Apache and PHP 5, we have multiple Virtual Hosts with separate log files. We cannot seem to separate the php error_log between virtual hosts.
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Wi-Fi 是什么的缩写 - 程序人生、谈天论地 - 清泛IT论坛，有思想、有深度
...试产品是否符合标准，导致 802.11 产品间的互通频频出现问题，而联盟的成立就是为了填补这一空缺。联盟还将推广符合 802.11 标准的无线网络技术作为己任，因此他们认为需要一个朗朗上口的名字来代替拗口的专业术语（呃…...
Where do I put image files, css, js, etc. in Codeigniter?
...ing on my setup, something similar to:
application/helpers/utility_helper.php:
function asset_url(){
return base_url().'assets/';
}
I will usually keep common routines similar to this in the same file and autoload it with codeigniter's autoload configuration.
Note: autoload URL helper fo...
Get week of year in JavaScript like in PHP
How do I get the current weeknumber of the year, like PHP's date('W') ?
19 Answers
19...
Best way to give a variable a default value (simulate Perl ||, ||= )
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In PHP 7 we finally have a way to do this elegantly. It is called the Null coalescing operator. You can use it like this:
$name = $_GET['name'] ?? 'john doe';
This is equivalent to
$name = isset($_GET['name']) ? $_GET['name'...
How to insert an item at the beginning of an array in PHP?
...ssociative array or need to preserve keys then see the user examples here: php.net/manual/en/function.array-unshift.php there are a couple good examples of how to accomplish this!
– Vallier
Aug 22 '19 at 21:59
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What does new self(); mean in PHP?
...ParentClass -- i.e. here too, the class in which it is written.
With PHP < 5.3, that "the class in which it is written" is important -- and can sometimes cause problems.
That's why PHP 5.3 introduces a new usage for the static keyword : it can now be used exactly where we used self in thos...
Best practice: PHP Magic Methods __set and __get [duplicate]
...management by the IDE for refactoring and code-browsing (under Zend Studio/PhpStorm this can be handled with the @property phpdoc annotation but that requires to maintain them: quite a pain)
the documentation (phpdoc) doesn't match how your code is supposed to be used, and looking at your class does...
解决：Apache is running a threaded MPM,but your PHP Modle is not compi...
解决：Apache is running a threaded MPM,but your PHP Modle is not compiled to be threadsafe. You need to recompile PHP.Apache和PHP环境运行时报错：Apache is running a threaded MPM,but your PHP Modle is not compiled to be threadsafe. Yo...Apache和PHP环境运行时报错：Apache is runnin...