DocumentationHSLReferenceFunctionHH\Lib\Keyset\equal

HH\Lib\Keyset\equal

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This is available as Keyset\equal in the www repository.

Returns whether the two given keysets have the same elements, using strict equality

namespace HH\Lib\Keyset;

function equal<Tv as arraykey>(
  keyset<Tv> $keyset1,
  keyset<Tv> $keyset2,
): bool;

To guarantee equality of order as well as contents, use ===.

Time complexity: O(n) Space complexity: O(1)

Parameters

keyset<Tv> $keyset1
keyset<Tv> $keyset2

Returns

bool

Examples

$result = Keyset\equal(keyset[1,2,3,4], keyset[1,2,3,4]);
print_r($result);
//result: true

$result = Keyset\equal(keyset[1,2,3,4], keyset[4,2,3,1]);
print_r($result);
//result: true

$result = Keyset\equal(keyset[1,2,3,4],  keyset[1,2,3,4,5]);
print_r($result);
//result: false