3v4l.org

run code in 300+ PHP versions simultaneously

@ 2025-03-22T11:18:56Z

<?php
$area_codes = array(
    '015019',
    '015020',
    '01511',
    '01512',
    '01514',
    '01515',
    '01516',
    '01517',
    '015180',
    '015181',
    '015182',
    '015183',
    '015184',
    '015185',
);

// Build an associative array
$area_lookup = [];
foreach($area_codes as $code)
	$area_lookup[$code] = 1;

function splitNumber(array $area_lookup, string $telephone_number): array
{
	for($len=4;$len<=6;$len++)
	{
		$prefix = substr($telephone_number, 0, $len);
		if(isset($area_lookup[$prefix]))
			return ['area_code' => $prefix, 'subscriber_number' => substr($telephone_number, $len)];
	}
	throw new Exception('Invalid number');
}

$res1 = splitNumber($area_lookup, '015169999999');
$res2 = splitNumber($area_lookup, '015180999999');
var_dump($res1, $res2);

Output for git.master_jit, git.master: array(2) { ["area_code"]=> string(5) "01516" ["subscriber_number"]=> string(7) "9999999" } array(2) { ["area_code"]=> string(6) "015180" ["subscriber_number"]=> string(6) "999999" }

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

2022-12-01 RFC: Property hooks - included in PHP 8.4
2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

preferences:dark modelive previewkey bindings

30.98 ms | 405 KiB | 5 Q