大约有 40,000 项符合查询结果(耗时:0.0391秒) [XML]
is_null($x) vs $x === null in PHP [duplicate]
...someone strongly suggested that I use is_null() instead as it is specifically designed for the null-evaluation purpose. He also started talking about math or something.
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PHP 5 disable strict standards error
...odeMonkeyRashid I wonder why that is? probably because then the evaulation order is important?
– codeling
Dec 18 '13 at 22:16
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PHP random string generator
...
To answer this question specifically, two problems:
$randstring is not in scope when you echo it.
The characters are not getting concatenated together in the loop.
Here's a code snippet with the corrections:
function generateRandomString($length = 10)...
In PHP, can you instantiate an object and call a method on the same line?
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@CMCDragonkai logically that makes sense; the object only exists for the duration of the statement (new Foo)->property - the value you are storing has nowhere to go because the object will no longer exist after that as it's not stored anywhe...
Unexpected Caching of AJAX results in IE8
... a good answer, but you'll need to turn the caching off in IE9 as well. In order to target just IE8 and IE9 you could do this;
<!--[if lte IE 9]>
<script>
$.ajaxSetup({
cache: false
});
</script>
<![endif]-->
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How can I detect if the user is on localhost in PHP?
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Which would make this actually easier to break than spoofing the IP. You should really change it.
– Pekka
Jan 13 '10 at 0:09
3
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What is the function __construct used for?
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__construct was introduced in PHP5 and it is the right way to define your, well, constructors (in PHP4 you used the name of the class for a constructor).
You are not required to define a constructor in your class, but if you wish to pass any parameters on...
How do you remove an array element in a foreach loop?
... Note that the 3rd parameter should be ARRAY_FILTER_USE_KEY in order to pass the key as $e here.
– namezero
Feb 5 '18 at 12:13
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Get first day of week in PHP?
... @OkiErieRinaldi You should probably open a new question in order to receive the proper attention.
– JadedCore
Aug 11 '15 at 12:39
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How do I write unit tests in PHP? [closed]
...which is by far easier to learn - even easier than SimpleTest, it's called phpt.
A primer can be found here:
http://qa.php.net/write-test.php
Edit: Just saw your request for sample code.
Let's assume you have the following function in a file called lib.php:
<?php
function foo($bar)
{
return...
