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How to sort an array of associative arrays by value of a given key in PHP?
... = $row['price'];
}
array_multisort($price, SORT_DESC, $inventory);
As of PHP 5.5.0 you can use array_column() instead of that foreach:
$price = array_column($inventory, 'price');
array_multisort($price, SORT_DESC, $inventory);
...
Serializing PHP object to JSON
So I was wandering around php.net for information about serializing PHP objects to JSON, when I stumbled across the new JsonSerializable Interface . It's only PHP >= 5.4 though, and I'm running in a 5.3.x environment.
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How to Debug Variables in Smarty like in PHP var_dump()
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You can use {php} tags
Method 1 (won't work in Smarty 3.1 or later):
{php}
$var =
$this->get_template_vars('var');
var_dump($var);
{/php}
Method 2:
{$var|@print_r}
Method 3:
{$var|@var_dump}
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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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A more pretty/informative Var_dump alternative in PHP? [closed]
Every decent PHP programmer has a print_r or var_dump wrapper they use, love and assign shortcut keys to, why don't we share our favourite ones .
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How to know which version of Symfony I have?
...s the console, try reading symfony/src/Symfony/Component/HttpKernel/Kernel.php, where the version is hardcoded, for instance:
const VERSION = '2.2.0';
Just in case you are wondering, console creates an instance of Symfony\Bundle\FrameworkBundle\Console\Application. In this class construct...
Why is XOR the default way to combine hashes?
...0%-50% distributions of 0s and 1s: a, b, !a, !b, a % b, a == b, i. e., the opposite of XOR (EQUIV) could have been used as well...
– Massa
May 4 '11 at 20:25
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List all the files that ever existed in a Git repository
...ff create
A database/migrations/2014_10_12_000000_create_users_table.php
A database/migrations/2014_10_12_100000_create_password_resets_table.php
A database/migrations/2015_05_11_200932_create_boletin_table.php
A database/migrations/2015_05_15_133500_create_usuarios_table.php...
What does enctype='multipart/form-data' mean?
...ust be careful
not to supply data back to the requesting form-processing site that
was not intended to be sent.
It is important when interpreting the filename of the Content-
Disposition header field to not inadvertently overwrite files in the
recipient's file space.
This concerns you...
php: determine where function was called from
is there a way to find out, where a function in PHP was called from?
example:
8 Answers
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