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Check if PHP session has already started
I have a PHP file that is sometimes called from a page that has started a session and sometimes from a page that doesn't have session started. Therefore when I have session_start() on this script I sometimes get the error message for "session already started". For that I've put these lines:
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What does the variable $this mean in PHP?
I see the variable $this in PHP all the time and I have no idea what it's used for. I've never personally used it.
10 An...
Best way to allow plugins for a PHP application
I am starting a new web application in PHP and this time around I want to create something that people can extend by using a plugin interface.
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Best way to do multiple constructors in PHP
...u can't put two __construct functions with unique argument signatures in a PHP class. I'd like to do this:
21 Answers
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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...
正则表达式 30 分钟入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...,所以本页排版比较混乱,推荐你到原处查看,看完了如果有问题,再到这里来提出.
一些要说的话：
如果你没有正则表达式的基础，请跟着教程“一步步来”。请不要大概地扫两眼就说看不懂——以这种态度我写成什么样你也看...
Facebook Open Graph not clearing cache
...488/…" that you need to have a Facebook like/share button on the page in order for the output of this end-point to contain any information.
– WillyBurb
Feb 17 '15 at 17:24
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Event system in Python
...s
As of June 2020, these are the event-related packages available on PyPI,
ordered by most recent release date.
RxPy3 1.0.1: June 2020
pluggy 0.13.1: June 2020 (beta)
Louie 2.0: Sept 2019
python-dispatch 0.1.2: Feb 2019
PyPubSub 4.0.3: Jan 2019
zope.event 4.4: 2018
pyeventdispatcher 0.2.3a0: 2018
b...
Accept function as parameter in PHP
...en wondering whether is possible or not to pass a function as parameter in PHP; I want something like when you're programming in JS:
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How do I write unit tests in PHP? [closed]
...which is by far easier to learn - even easier than SimpleTest, it's called phpt.
A primer can be found here:
http://qa.php.net/write-test.php
Edit: Just saw your request for sample code.
Let's assume you have the following function in a file called lib.php:
<?php
function foo($bar)
{
return...