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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...
How to get the file extension in PHP? [duplicate]
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'Only variables should be passed by reference', the PHP Manual
– dader
Dec 20 '12 at 2:01
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Using $_POST to get select option value from HTML
... Where do I put the $selectOption = $_POST['taskOption']; I put it in the php but it does nothing....
– Yunfei Chen
2 days ago
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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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QUERY_STRING、REQUEST_URI、SCRIPT_NAME、PHP_SELF区别 - 更多技术 - 清泛...
QUERY_STRING、REQUEST_URI、SCRIPT_NAME、PHP_SELF区别通过实例说明PHP中QUERY_STRING、REQUEST_URI、SCRIPT_NAME、PHP_SELF区别。实例：
1、http://localhost/aaa/ （打开aaa中的index.php）
$_SERVER['QUERY_STRING'] = "";
$_SERVER['REQUEST_URI'] = "/aaa/";
$_SERVER['SCRIPT_NAME...
PHP学习必看的一些书 - IT书籍推荐 - 清泛网 - 专注C/C++及内核技术
PHP学习必看的一些书对应初学的PHP，应该买什么样的书？到处问人，到处求助？ 该文章列举了一些书籍，感觉还行，特此重新整理了一下。觉得有些言过其实了，或...对应初学的PHP，应该买什么样的书？到处问人，到处求助？ ...
PHP 安装 ZIP 扩展 - 更多技术 - 清泛网 - 专注C/C++及内核技术
PHP 安装 ZIP 扩展php_zip_extension一、安装libzipcd usr local srcwget https: libzip org download libzip-1 3 2 tar gztar zxf libzip-1 3 2 tar gzcd libzip-1 3 2 configuremake && make install如 一、安装libzip
cd /usr/local/src
wget https://libzip.org/download/libzip-1.3.2.tar.gz
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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...
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...