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How to get multiple selected values of select box in php?
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If you want PHP to treat $_GET['select2'] as an array of options just add square brackets to the name of the select element like this: <select name="select2[]" multiple …
Then you can acces the array in your PHP script
<?php
he...
What is stdClass in PHP?
... class, kind of like Object in Java or object in Python (Edit: but not actually used as universal base class; thanks @Ciaran for pointing this out).
It is useful for anonymous objects, dynamic properties, etc.
An easy way to consider the StdClass is as an alternative to associative array. See thi...
Remove empty array elements
... of strings, you can simply use array_filter(), which conveniently handles all this for you:
print_r(array_filter($linksArray));
Keep in mind that if no callback is supplied, all entries of array equal to FALSE (see converting to boolean) will be removed. So if you need to preserve elements that ...
What is the size limit of a post request?
...o:
#set max post size
php_value post_max_size 20M
And, yes, I can personally attest to the fact that this works :)
If you're using IIS, I don't have any idea how you'd set this particular value.
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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($bar)
{
return...
How to use php serialize() and unserialize()
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A PHP array or object or other complex data structure cannot be transported or stored or otherwise used outside of a running PHP script. If you want to persist such a complex data structure beyond a single run of a script, you ...
How to Free Inode Usage?
...age is 100% (using df -i command).
However after deleting files substantially, the usage remains 100%.
15 Answers
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nginx showing blank PHP pages
...ginx that's shipped with Centos). I'd love to see the documentation around all of this improve.
– Jorre
Mar 27 '14 at 16:23
1
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Are PHP Variables passed by value or by reference?
... function is changed, it does not get changed outside of the function). To allow a function to modify its arguments, they must be passed by reference.
To have an argument to a function always passed by reference, prepend an ampersand (&) to the argument name in the function definition.
&l...
How to check that an object is empty in PHP?
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empty doesn't actually check if an array is empty, empty($var) equivalent to (!isset($var) || !$var). You can replace your empty($arr)s with !$arr since array() == FALSE
– Timothy Zorn
Aug 20 '15 at 18:35...