README

Description

Simple PHP collection class library

Feature

Sortable(ArrayList/Queue/Stack/Vector)

Supported Data Structure

ArrayList
Collection
Property(supports hierarchical access to array for string/int/float/bool values)
Queue
Set
Stack
Vector

Demo

Collection

$data = ['red', 'green', 'blue'];

echo 'iterate:' . PHP_EOL;
$output = [];
foreach(new Collection($data) as $item){
    $output[] = $item;
}
echo ' ' . implode(',', $output) . PHP_EOL;     // red,green,blue

echo 'join:' . PHP_EOL;
echo ' ' . (new Collection($data))->join() . PHP_EOL;    // red,green,blue

echo 'replace:' . PHP_EOL;
echo ' ' . (new Collection($data))->replace('green', 'yellow')->join() . PHP_EOL;     // red,yellow,blue

echo 'each:' . PHP_EOL;
(new Collection($data))->each(function($item){
    echo "[$item],"; 
});    // [red],[green],[blue],

echo 'map:' . PHP_EOL;
echo ' ' . (new Collection($data))->map(function($item){
    return "[$item]"; 
})->join() . PHP_EOL;      // [red],[green],[blue]

echo 'reduce:' . PHP_EOL;
echo ' ' . (new Collection($data))->reduce(function($tmp,$item){
    return $tmp + strlen($item);
}) . PHP_EOL;     // 12

ArrayList

$data = ['red', 'green', 'blue'];

echo 'iterate:' . PHP_EOL;
$output = [];
foreach(new ArrayList($data) as $item){
    $output[] = $item;
}
echo ' ' . implode(',', $output) . PHP_EOL;     // red,green,blue

echo 'join:' . PHP_EOL;
echo ' ' . (new ArrayList($data))->join() . PHP_EOL;    // red,green,blue

echo 'first:' . PHP_EOL;
echo ' ' . (new ArrayList($data))->first() . PHP_EOL;    // red

echo 'last:' . PHP_EOL;
echo ' ' . (new ArrayList($data))->last() . PHP_EOL;    // blue

echo 'reverse:' . PHP_EOL;
echo ' ' . (new ArrayList($data))->reverse()->join() . PHP_EOL;      // blue,green,red

echo 'replace then reverse:' . PHP_EOL;
echo ' ' . (new ArrayList($data))->replace('green', 'yellow')->reverse()->join() . PHP_EOL;      // blue,yellow,red

echo 'shift:' . PHP_EOL;
echo ' ' . (new ArrayList($data))->shift($item)->join() . PHP_EOL;       // green,blue

echo 'unshift:' . PHP_EOL;
echo ' ' . (new ArrayList($data))->unshift('yellow')->join() . PHP_EOL;       // yellow,red,green,blue

echo 'push:' . PHP_EOL;
echo ' ' . (new ArrayList($data))->push('yellow')->join() . PHP_EOL;       // red,green,blue,yellow

echo 'pop:' . PHP_EOL;
echo ' ' . (new ArrayList($data))->pop($item)->join() . PHP_EOL;       // red,green

echo 'sort:' . PHP_EOL;
echo ' ' . (new ArrayList($data))->sort()->join() . PHP_EOL;       // blue,green,red

Vector

$data = ['red', 'green', 'blue'];

echo 'iterate:' . PHP_EOL;
$output = [];
foreach(new Vector($data) as $item){
    $output[] = $item;
}
echo ' ' . implode(',', $output) . PHP_EOL;     // red,green,blue

echo 'join:' . PHP_EOL;
echo ' ' . (new Vector($data))->join() . PHP_EOL;    // red,green,blue

echo 'first:' . PHP_EOL;
echo ' ' . (new Vector($data))->first() . PHP_EOL;    // red

echo 'last:' . PHP_EOL;
echo ' ' . (new Vector($data))->last() . PHP_EOL;    // blue

echo 'reverse:' . PHP_EOL;
echo ' ' . (new Vector($data))->reverse()->join() . PHP_EOL;      // blue,green,red

echo 'replace then reverse:' . PHP_EOL;
echo ' ' . (new Vector($data))->replace('green', 'yellow')->reverse()->join() . PHP_EOL;      // blue,yellow,red

echo 'shift:' . PHP_EOL;
echo ' ' . (new Vector($data))->shift($item)->join() . PHP_EOL;       // green,blue

echo 'unshift:' . PHP_EOL;
echo ' ' . (new Vector($data))->unshift('yellow')->join() . PHP_EOL;       // yellow,red,green,blue

echo 'push:' . PHP_EOL;
echo ' ' . (new Vector($data))->push('yellow')->join() . PHP_EOL;       // red,green,blue,yellow

echo 'pop:' . PHP_EOL;
echo ' ' . (new Vector($data))->pop($item)->join() . PHP_EOL;       // red,green

echo 'sort:' . PHP_EOL;
echo ' ' . (new Vector($data))->sort()->join() . PHP_EOL;       // blue,green,red

Stack

$data = ['red', 'green', 'blue'];

echo 'iterate:' . PHP_EOL;
$output = [];
foreach(new Stack($data) as $item){
    $output[] = $item;
}
echo ' ' . implode(',', $output) . PHP_EOL;     // red,green,blue

echo 'join:' . PHP_EOL;
echo ' ' . (new Stack($data))->join() . PHP_EOL;    // red,green,blue

echo 'peek:' . PHP_EOL;
echo ' ' . (new Stack($data))->peek() . PHP_EOL;    // red

echo 'reverse:' . PHP_EOL;
echo ' ' . (new Stack($data))->reverse()->join() . PHP_EOL;      // blue,green,red

echo 'replace then reverse:' . PHP_EOL;
echo ' ' . (new Stack($data))->replace('green', 'yellow')->reverse()->join() . PHP_EOL;      // blue,yellow,red

echo 'push:' . PHP_EOL;
echo ' ' . (new Stack($data))->push('yellow')->join() . PHP_EOL;       // red,green,blue,yellow

echo 'pop:' . PHP_EOL;
echo ' ' . (new Stack($data))->pop($item)->join() . PHP_EOL;       // red,green

echo 'sort:' . PHP_EOL;
echo ' ' . (new Stack($data))->sort()->join() . PHP_EOL;       // blue,green,red

HashMap

$data = ['name' => 'David', 'age' => 21, 'height' => 172.2];

echo 'iterate:' . PHP_EOL;
$output = [];
foreach(new HashMap($data) as $item){
    $output[] = $item;
}
echo ' ' . implode(',', $output) . PHP_EOL;     // David,21,172.2

echo 'join:' . PHP_EOL;
echo ' ' . (new HashMap($data))->join() . PHP_EOL;    // David,21,172.2

Set

$data = ['red', 'green', 'blue'];

echo 'iterate:' . PHP_EOL;
$output = [];
foreach(new Set($data) as $item){
    $output[] = $item;
}
echo ' ' . implode(',', $output) . PHP_EOL;     // red,green,blue

echo 'join:' . PHP_EOL;
echo ' ' . (new Set($data))->join() . PHP_EOL;    // red,green,blue

Requirement

PHP 7.2 or later

Installing stk2k/collection

The recommended way to install stk2k/collection is through Composer.

composer require stk2k/collection

After installing, you need to require Composer's autoloader:

require 'vendor/autoload.php';

License

This library is licensed under the MIT license.

Author

stk2k

Disclaimer

This software is no warranty.

We are not responsible for any results caused by the use of this software.

Please use the responsibility of the your self.

stk2k / collection

Maintainers

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