Online PHP editor | output for H6uCi

@ 2017-07-11T15:49:56Z

<?php
namespace Exercise_One;
/**
 * Zillow exercise one
 *
 * Take an associative array and sort it based on columns and directions specified. (PSR1 Standard)
 *
 *  @author Joe Rocha <joe.rocha@me.com>
 */
class Singleton {

	/**
	 * @var Singleton The reference to *Singleton* instance of this class
	 */
	protected static $instance;

	/**
	 * Returns sorted multidimensional, associative array
	 *
	 * @param array $array Data to sort.
	 * @param string $sortKey Key to sort by.
	 * @param string $dir Direction to sort ('ASC' || 'DESC').
	 * @param bool $nat Natural sorting.
	 * 
	 * @return array sorted by sortBy().
	 */
	public static function sortBy( &$array, $sortKey, $dir = 'ASC', $nat = false ) {

		if ( null === static::$instance ) {
			static::$instance = new static();
		};

		function sortLogic( $key, $dir, $nat ) {
			return function( $a, $b ) use ( $key, $dir, $nat ) { 
				if ( true === $nat ){
					return strnatcmp( $a[$key], $b[$key] );
				} else {
					return $dir === 'ASC' ? $a[$key] > $b[$key] :  $a[$key] < $b[$key];
				}
			};
		}
		uasort( $array, sortLogic( $sortKey, $dir, $nat ) );

		return static::$instance;
	}

	/**
	 * Make constructor private, so no one can call "new Class".
	 */
	private function __construct() {}

	/**
	 * Make clone magic method private, so no one can clone instance.
	 */
	private function __clone() {}

	/**
	 * Make sleep magic method private, so no one can serialize instance.
	 */
	private function __sleep() {}

	/**
	 * Make wakeup magic method private, so no one can unserialize instance.
	 */
	private function __wakeup() {}

}

// Dummy Data for testing
$data = array();
$data[] = array('id' => 1, 'number' => '1', 'street' => 'Battery St', 'unit' => '1', 'rent' => 1200);
$data[] = array('id' => 10, 'number' => '10', 'street' => 'Battery St', 'unit' => '3', 'rent' => 1800);
$data[] = array('id' => 2, 'number' => '2', 'street' => 'Leavenworth St', 'unit' => '11', 'rent' => 800);
$data[] = array('id' => 12, 'number' => '12', 'street' => 'Battery St', 'unit' => '10', 'rent' => 3400);
$data[] = array('id' => 1, 'number' => '14', 'street' => 'Leavenworth St', 'unit' => '10', 'rent' => 1450);
$data[] = array('id' => 1, 'number' => '01', 'street' => 'Battery St', 'unit' => '5', 'rent' => 1000);
// Sanity check
Singleton::sortBy( $data, 'number', 'ASC', 'cat' );
print_r( $data );

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: Warning: The magic method Exercise_One\Singleton::__sleep() must have public visibility in /in/H6uCi on line 60 Warning: The magic method Exercise_One\Singleton::__wakeup() must have public visibility in /in/H6uCi on line 65 Deprecated: uasort(): Returning bool from comparison function is deprecated, return an integer less than, equal to, or greater than zero in /in/H6uCi on line 42 Array ( [0] => Array ( [id] => 1 [number] => 1 [street] => Battery St [unit] => 1 [rent] => 1200 ) [5] => Array ( [id] => 1 [number] => 01 [street] => Battery St [unit] => 5 [rent] => 1000 ) [2] => Array ( [id] => 2 [number] => 2 [street] => Leavenworth St [unit] => 11 [rent] => 800 ) [1] => Array ( [id] => 10 [number] => 10 [street] => Battery St [unit] => 3 [rent] => 1800 ) [3] => Array ( [id] => 12 [number] => 12 [street] => Battery St [unit] => 10 [rent] => 3400 ) [4] => Array ( [id] => 1 [number] => 14 [street] => Leavenworth St [unit] => 10 [rent] => 1450 ) )
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Warning: The magic method Exercise_One\Singleton::__sleep() must have public visibility in /in/H6uCi on line 60 Warning: The magic method Exercise_One\Singleton::__wakeup() must have public visibility in /in/H6uCi on line 65 Deprecated: uasort(): Returning bool from comparison function is deprecated, return an integer less than, equal to, or greater than zero in /in/H6uCi on line 42 Array ( [0] => Array ( [id] => 1 [number] => 1 [street] => Battery St [unit] => 1 [rent] => 1200 ) [5] => Array ( [id] => 1 [number] => 01 [street] => Battery St [unit] => 5 [rent] => 1000 ) [2] => Array ( [id] => 2 [number] => 2 [street] => Leavenworth St [unit] => 11 [rent] => 800 ) [1] => Array ( [id] => 10 [number] => 10 [street] => Battery St [unit] => 3 [rent] => 1800 ) [3] => Array ( [id] => 12 [number] => 12 [street] => Battery St [unit] => 10 [rent] => 3400 ) [4] => Array ( [id] => 1 [number] => 14 [street] => Leavenworth St [unit] => 10 [rent] => 1450 ) )
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33: Array ( [0] => Array ( [id] => 1 [number] => 1 [street] => Battery St [unit] => 1 [rent] => 1200 ) [5] => Array ( [id] => 1 [number] => 01 [street] => Battery St [unit] => 5 [rent] => 1000 ) [2] => Array ( [id] => 2 [number] => 2 [street] => Leavenworth St [unit] => 11 [rent] => 800 ) [1] => Array ( [id] => 10 [number] => 10 [street] => Battery St [unit] => 3 [rent] => 1800 ) [3] => Array ( [id] => 12 [number] => 12 [street] => Battery St [unit] => 10 [rent] => 3400 ) [4] => Array ( [id] => 1 [number] => 14 [street] => Leavenworth St [unit] => 10 [rent] => 1450 ) )

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