<?php declare(strict_types = 1);

array_udiff(
	[1,2,3],
	[4,5,6],
	function(string $a, string $b): string { // line 6
		return $a . $b;
	},
);

array_udiff(
	[1,2,3],
	[4,5,6],
	function(int $a, int $b): string { // line 14
		return $a . $b;
	},
);

array_udiff(
	null, // line 20
	null, // line 21
	function(string $a, int $b): string { // line 22
		return $a . $b;
	},
);

array_udiff(
	[25,26],
	[26,27],
	static function(int $a, int $b): int {
		return $a <=> $b;
	},
);

public function testArrayUdiffCallback(): void
{
	$this->analyse([__DIR__ . '/data/array_udiff.php'], [
		[
			'Parameter #3 $data_comp_func of function array_udiff expects callable(int, int): int<-1, 1>, Closure(string, string): string given.',
			6,
		],
		[
			'Parameter #3 $data_comp_func of function array_udiff expects callable(int, int): int<-1, 1>, Closure(int, int): non-empty-string given.',
			14,
		],
		[
			'Parameter #1 $arr1 of function array_udiff expects array<string>, null given.',
			20,
		],
		[
			'Parameter #2 $arr2 of function array_udiff expects array<string>, null given.',
			21,
		],
		[
			'Parameter #3 $data_comp_func of function array_udiff expects callable(string, string): int<-1, 1>, Closure(string, int): non-empty-string given.',
			22,
		],
	]);
}