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Convert DateTime to String PHP
I have already researched a lot of site on how can I convert PHP DateTime object to String. I always see "String to DateTime" and not "DateTime to String"
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Sort array of objects by object fields
... second argument. Here are some examples:
Using anonymous functions (from PHP 5.3)
usort($your_data, function($a, $b) {return strcmp($a->name, $b->name);});
From inside a class
usort($your_data, array($this, "cmp")); // "cmp" should be a method in the class
Using arrow functions (from...
How can I brew link a specific version?
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If you have installed, for example, php 5.4 it could be switched in the following way to php 5.5:
$ php --version
PHP 5.4.32 (cli) (built: Aug 26 2014 15:14:01)
Copyright (c) 1997-2014 The PHP Group
Zend Engine v2.4.0, Copyright (c) 1998-2014 Zend Technologie...
Android代码优化小技巧 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...尽量避免创建不必要的对象，有下面一些例子来说明这个问题：
如果你需要返回一个String对象，并且你知道它最终会需要连接到一个StringBuffer，请修改你的实现方式，避免直接进行连接操作，应该采用创建一个临时对象来做...
What's the difference between array_merge and array + array?
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Source: https://softonsofa.com/php-array_merge-vs-array_replace-vs-plus-aka-union/
Stop using array_merge($defaults, $options):
function foo(array $options)
{
$options += ['foo' => 'bar'];
// ...
}
Note: array_replace function exists since PH...
How can I count all the lines of code in a directory recursively?
We've got a PHP application and want to count all the lines of code under a specific directory and its subdirectories. We don't need to ignore comments, as we're just trying to get a rough idea.
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Get random item from array [duplicate]
...y pick youtube video from playlist on page load and is working great: <?php $videos = Array(0,1,2,3); echo $videos[array_rand($videos)]; ?>
– ioTus
Jul 3 '14 at 6:07
64
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What's the use/meaning of the @ character in variable names in C#?
...e. I believe this may be because of the familiarity of this requirement in PHP software for variables. And a lot of Open Source web systems are now coded in C# (where in the past it would have been PHP)
– Wasted_Coder
Mar 5 '16 at 19:36
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Set attributes from dictionary in python
...case, rather than blowing up) - I found it crazy that something so easy in PHP ((object) ['x' => 'y']) required so much cruft in Python
– Someguy123
Feb 6 '16 at 17:12
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PHP去除字符串中的最后一个字符 - 更多技术 - 清泛网 - 专注C/C++及内核技术
PHP去除字符串中的最后一个字符最常见的方法是substr($str, strlen($str) - 1)，但使用rtrim($str, , )更优雅。
<?php //PHP去除字符串中的最后一个字符
$str="aaaa,bbb,ccc,ddd,eee,";
echo rtrim($str,','); //第一种方法 trim($str,$chsrlist)去除两边的
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