PHP code example of rkr / php-array-utils

1. Go to this page and download the library: Download rkr/php-array-utils library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

rkr / php-array-utils example snippets


$input = ['a' => 0, 'b' => 1, 'c' => 2, 'd' => 3];

arr\join($input);
# 0123

arr\join($input, ', ');
# 0, 1, 2, 3

arr\intersect($input, [1, 3]);
# [b => 1, d => 3]

arr\intersect\keys($input, ['a', 'b']);
# [a => 0, b => 1]

arr\diff($input, [1, 2]);
# [a => 0, d => 3]

arr\diff\keys($input, ['a', 'c']);
# [b => 1, d => 3]

arr\filter($input);
# [b => 1, c => 2, d => 3]

arr\filter($input, function ($val) { return $val !== 1; });
# [a => 0, c => 2, d => 3]

arr\filter\keys($input);
# [a => 0, b => 1, c => 2, d => 3]

arr\filter\keys($input, function ($key) { return $key !== 'b'; });
# [a => 0, c => 2, d => 3]

arr\filter\keysAndValues($input, function ($key, $value) { return $value === 0 || $key === 'b'; });
# [a => 0, b => 1]

arr\map($input, 'exp');
# [a => 1, b => 2.718281828459, c => 7.3890560989307, d => 20.085536923188]

arr\map($input, function ($val) { return $val + 1; });
# [a => 1, b => 2, c => 3, d => 4]

arr\map\keys($input, 'strtoupper');
# [A => 0, B => 1, C => 2, D => 3]

arr\map\keys($input, function ($key) { return dechex(ord($key)); });
# [61 => 0, 62 => 1, 63 => 2, 64 => 3]

arr\map\keysAndValues($input, function (&$key, $value) { list($value, $key) = array($key, $value); return $value; });
# [0 => a, 1 => b, 2 => c, 3 => d]

arr\map\func([[255, 128, 0], [128, 255, 0]], 'vsprintf', array('#%02X%02X%02X'), 1);
# [0 => #FF8000, 1 => #80FF00]