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?: operator (the 'Elvis operator') in PHP
I saw this today in some PHP code:
5 Answers
5
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What is the difference between self::$bar and static::$bar in PHP?
...keyword. In this case, your Foo class defines a protected static property called $bar. When you use self in the Foo class to refer to the property, you're referencing the same class.
Therefore if you tried to use self::$bar elsewhere in your Foo class but you had a Bar class with a different value ...
How do I immediately execute an anonymous function in PHP?
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For PHP7: see Yasuo Ohgaki's answer: (function() {echo 'Hi';})();
For previous versions: the only way to execute them immediately I can think of is
call_user_func(function() { echo 'executed'; });
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PHP常用API函数用法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
PHP常用API函数用法php_common_api_referencePHP常用API函数速查：expload, str_replace, strpos, substr, stripos, strripos, implode, strrpos PHP explode() 函数
把字符串按照指定分隔符分割为数组。
例子：
<?php
$url = "https://www.tsingfun.com/index.php?m=conten...
开源邮件传输代理软件 -- Postfix 介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...。还有一种情况时，如果postfix在处理邮件过程中遇到了问题，则该值会开始降低。
当接收到的新邮件的数量超过postfix的投递能力时，postfix会暂时停止投递deferred队列中的邮件而去处理新接收到的邮件。这是因为处理新邮件的...
Checking to see if one array's elements are in another array in PHP
I have two arrays in PHP as follows:
7 Answers
7
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How to parse the AndroidManifest.xml file inside an .apk package
...nary XML format. What is this format and how can it be parsed programmatically (as opposed to using the aapt dump tool in the SDK)?
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PHP array: count or sizeof?
To find the number of elements in a PHP $array , which is faster/better/stronger?
7 Answers
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Setting Vim whitespace preferences by filetype
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@JamesMcMahon expandtab expands all tabs to spaces. sts (softtabstop) inserts spaces and tabs for indents: as many tabs as will fit in the indent based on the size of tabstop, and then spaces after that. Of course, if expandtab is on, all the tabs that get ...
PHP Pass by reference in foreach [duplicate]
...);
foreach ($a as &$v) {
}
foreach ($a as $v) {
echo $v.'-'.$a[3].PHP_EOL;
}
As you can see, the last array item takes the current loop value: 'zero', 'one', 'two', and then it's just 'two'... : )
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