Online PHP editor | rfc for VAsXY

@ 2026-08-18T16:57:30Z

<?php

function array_search_range(
    mixed $needle,
    array $haystack,
    int $offset = 0,
    ?int $length = null,
    bool $strict = false,
): int|string|false {
	if ( $offset < 0 ) {
		$offset = count($haystack) + $offset;
	}
	if ( $length < 0 ) {
		$length = count($haystack) + $length - $offset;
	}

	$currentOffset = -1;
	foreach ( $haystack as $key => $value ) {
		$currentOffset++;
		if ( $currentOffset < $offset ) {
			continue;
		}
		if ( $length !== null && $currentOffset >= $offset + $length ) {
			break;
		}
		if (
			( $strict && $value === $needle )
			||
			( ! $strict && $value == $needle )
		) {
			return $key;
		}
	}
	return false;
}

$items = ['zero', 'one', 'two', 'target', 'four', 'target'];
$key = array_search_range('target', $items, 2, 3, true);
var_dump($key); // int(3)

$items = ['zero', 'one', 'two', 'target', 'four', 'target'];
$key = array_search_range('target', $items, 4, null, true);
var_dump($key); // int(5)

$items = ['zero', 'one', 'two', 'target', 'four', 'target'];
$key = array_search_range('target', $items, 1, 2, true);
var_dump($key); // bool(false)

$items = ['zero', 'one', 'two', 'target', 'four', 'target'];
$key = array_search_range('target', $items, 1, -3, true);
var_dump($key); // bool(false)

Output for git.master_jit, git.master: int(3) int(5) bool(false) bool(false)

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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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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

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