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@ 2026-08-18T16:32:22Z

<?php

class ArraySliceIterator implements IteratorAggregate {
	private LimitIterator $backingIterator;

	public function __construct(array $array, int $offset, int $limit) {
		$this->backingIterator = new LimitIterator(
			new ArrayIterator($array),
			$offset,
			$limit
		);
	}

	public function getIterator(): Traversable
	{
		return $this->backingIterator;
	}
}

function iter_search(mixed $needle, iterable $haystack, bool $strict = false): int|string|false
{
	foreach ( $haystack as $key => $value ) {
		echo "$key? ";
		if (
			( $strict && $value === $needle )
			||
			( ! $strict && $value == $needle )
		) {
			return $key;
		}
	}
	echo "\nNo more items :(";
	return false;
}

$bigArray = range(0, 10_000);

$key = iter_search(1066, new ArraySliceIterator($bigArray, 1_000, 100));
echo "\nResult: "; var_dump($key);

echo "\n\n----\n\n";

$key = iter_search(1966, new ArraySliceIterator($bigArray, 1_000, 100));
echo "\nResult: "; var_dump($key);

Output for git.master_jit, git.master: 1000? 1001? 1002? 1003? 1004? 1005? 1006? 1007? 1008? 1009? 1010? 1011? 1012? 1013? 1014? 1015? 1016? 1017? 1018? 1019? 1020? 1021? 1022? 1023? 1024? 1025? 1026? 1027? 1028? 1029? 1030? 1031? 1032? 1033? 1034? 1035? 1036? 1037? 1038? 1039? 1040? 1041? 1042? 1043? 1044? 1045? 1046? 1047? 1048? 1049? 1050? 1051? 1052? 1053? 1054? 1055? 1056? 1057? 1058? 1059? 1060? 1061? 1062? 1063? 1064? 1065? 1066? Result: int(1066) ---- 1000? 1001? 1002? 1003? 1004? 1005? 1006? 1007? 1008? 1009? 1010? 1011? 1012? 1013? 1014? 1015? 1016? 1017? 1018? 1019? 1020? 1021? 1022? 1023? 1024? 1025? 1026? 1027? 1028? 1029? 1030? 1031? 1032? 1033? 1034? 1035? 1036? 1037? 1038? 1039? 1040? 1041? 1042? 1043? 1044? 1045? 1046? 1047? 1048? 1049? 1050? 1051? 1052? 1053? 1054? 1055? 1056? 1057? 1058? 1059? 1060? 1061? 1062? 1063? 1064? 1065? 1066? 1067? 1068? 1069? 1070? 1071? 1072? 1073? 1074? 1075? 1076? 1077? 1078? 1079? 1080? 1081? 1082? 1083? 1084? 1085? 1086? 1087? 1088? 1089? 1090? 1091? 1092? 1093? 1094? 1095? 1096? 1097? 1098? 1099? No more items :( Result: 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2016-08-14 Arrow functions - withdrawn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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