class test1
{
	//in_array
	function test1()
	{
		$ary=[1,"2",3];
		$this->judgeInArray($ary, 2, false, "(int)");//memo:(int) value:2 true
		$this->judgeInArray($ary, 2, true, "(int)");//memo:(int) value:2 false
		$this->judgeInArray($ary, "2", true, "(string)");//memo:(string) value:2 true
	}
	//in_array判定処理
	//ary:判定する配列
	//option:型を比較するかどうか？
	//false:比較しない
	//true:比較する
	private function judgeInArray(array $ary, $value, bool $option, string $memo)
	{
		if(in_array($value, $ary, $option))
		{
			echo "memo:$memo value:$value true".PHP_EOL;
		}
		else
		{
			echo "memo:$memo value:$value false".PHP_EOL;
		}
	}
	//array_search
	function test2()
	{
		$ary=[
			"key1" => 1,
			"key2" => 2,
			"key3" => 3
		];
		$this->judgeArraySearch($ary, 2, false, "(int)");//memo:(int) value:2 true
		$this->judgeArraySearch($ary, 2, true, "(int)");//memo:(int) value:2 true
		$this->judgeArraySearch($ary, "2", true, "(string)");//memo:(string) value:2 false

		//ver8.4以降
/*
		$user_roles = [
			'admin' => '管理者',
			'editor' => '編集者',
			'guest' => '閲覧者'
		];
		
		$key = array_search('編集者', $user_roles);
		// $key の中身は 'editor' になる
*/
	}
	//array_search判定処理
	//ary:判定する配列
	//option:型を比較するかどうか？
	//false:比較しない
	//true:比較する
	private function judgeArraySearch(array $ary, $value, bool $option, string $memo)
	{
		if(array_search($value, $ary, $option))
		{
			echo "memo:$memo value:$value true".PHP_EOL;
		}
		else
		{
			echo "memo:$memo value:$value false".PHP_EOL;
		}
	}
	//array_find
	function test3()
	{
		$ary =[1, 10, 100];
		//ver8.2のためarray_find()の代替処理としてjudgeArrayFind関数で判定
		//このサンプルでは>(より大きいか？)を判定するサンプルです
		$this->judgeArrayFind($ary, 10, fn($data, $value) => $value > $data, false, "(int)");//memo:(int) Result: FOUND(value:100)
//judgeArrayFindInArrayElementAll
/*
memo:(int) checked_value:1 -> false
memo:(int) checked_value:10 -> false
memo:(int) checked_value:100 -> true
*/
		$this->judgeArrayFind($ary, 10, fn($data, $value) =>  $value > $data, true, "(int)");//memo:(int) Result: FOUND(value:100)
//judgeArrayFindInArrayElementAll
/*
memo:(int) checked_value:1 -> false
memo:(int) checked_value:10 -> false
memo:(int) checked_value:100 -> true
*/
		$this->judgeArrayFind($ary, "10", fn($data, $value) =>  $value > $data, true, "(string)");//memo:(string) Result: NOT FOUND
//judgeArrayFindInArrayElementAll
/*
memo:(string) checked_value:1 -> false
memo:(string) checked_value:10 -> false
memo:(string) checked_value:100 -> false
*/
		//ver8.4以降
/*
		$users = [
			['id' => 1, 'name' => '田中', 'score' => 70],
			['id' => 2, 'name' => '佐藤', 'score' => 95], // ← これを探したい
			['id' => 3, 'name' => '鈴木', 'score' => 85],
		];
		
		// スコアが90点以上の最初のユーザー情報を取得
		$result = array_find($users, function($user) {
			return $user['score'] >= 90;
		});
		
		// $result の中身: ['id' => 2, 'name' =>佐藤', 'score' => 95]
*/
	}
	//array_find判定処理
	//ary:判定する配列
	//data:判定に使用するデータ
	//fn:コールバック関数
	//option:型を比較するかどうか？
	//false:比較しない
	//true:比較する
	private function judgeArrayFind(array $ary, $data, callable $fn, bool $option, string $memo)
	{
		$foundValue = null;
		$type = get_debug_type($data);
	
		foreach ($ary as $value) {
			// 型チェックが有効な場合、型が一致しなければこの要素はスキップ
			if ($option === true && get_debug_type($value) !== $type) {
				continue; 
			}
	
			// コールバック関数で条件判定
			if ($fn($data, $value)) {
				$foundValue = $value; // 見つかった値を保持
				break; // 見つかったのでループ終了
			}
		}
	
		// 全てのループが終わった後の判定
		if ($foundValue !== null) {
			echo "memo:$memo Result: FOUND(value:$foundValue)" . PHP_EOL;
		} else {
			echo "memo:$memo Result: NOT FOUND" . PHP_EOL;
		}
		return $foundValue;
	}
	private function judgeArrayFindInArrayElementAll(array $ary, $data, callable $fn, bool $option, string $memo)
	{
		$found = null;
		$type = get_debug_type($data);
		$flg = 0;
		foreach ($ary as $value)
		{
			$match = false;
			
			// 型と条件の両方をチェック
			if ($option === true) {
				if (get_debug_type($value) === $type && $fn($data, $value))
				{
					$match = true;
				}
			} else {
				if ($fn($data, $value))
				{
					$match = true;
				}
			}
		
			// 全要素の結果を出す
			$status = $match ? "true" : "false";
			echo "memo:$memo checked_value:$value -> $status" . PHP_EOL;
		}
	}
}
echo "<pre>";
$cls1= new test1();
$cls1->test1();
$cls1->test2();
$cls1->test3();
echo "</pre>";

class test1
{
	//in_array
	function test1()
	{
		$ary=[1,"2",3];
		$this->judgeInArray($ary, 2, false, "(int)"); //memo:(int) value:2 true
		$this->judgeInArray($ary, 2, true, "(int)"); //memo:(int) value:2 false
		$this->judgeInArray($ary, "2", true, "(string)"); //memo:(string) value:2 true
	}
	//in_array judgment process
	//ary: Array to be judged
	//option: Whether to compare types?
	//false: don't compare 
	//true: compare 
	private function judgeInArray(array $ary, $value, bool $option, string $memo) 
	{ 
		if(in_array($value, $ary, $option)) 
		{ 
			echo "memo:$memo value:$value true".PHP_EOL; 
		} 
		else 
		{ 
			echo "memo:$memo value:$value false".PHP_EOL; 
		} 
	} 
	//array_search 
	function test2() 
	{ 
		$ary=[ 
		"key1" => 1, 
		"key2" => 2, 
		"key3" => 3 
		]; 
		$this->judgeArraySearch($ary, 2, false, "(int)");//memo:(int) value:2 true 
		$this->judgeArraySearch($ary, 2, true, "(int)");//memo:(int) value:2 true $this->judgeArraySearch($ary, "2", true, "(string)"); //memo:(string) value:2 false
		
		//Version 8.4 and later
/*
		$user_roles = [
		'admin' => 'Administrator',
		'editor' => 'Editor',
		'guest' => 'Viewer'
		];
		
		$key = array_search('Editor', $user_roles);
		// The value of $key will be 'editor'
*/
	}
	//array_search judgment process
	//ary: Array to be judged
	//option: Whether to compare types?
	//false: Do not compare
	//true: Compare
	private function judgeArraySearch(array $ary, $value, bool $option, string $memo)
	{
		if(array_search($value, $ary, $option))
		{
			echo "memo:$memo value:$value true".PHP_EOL;
		}
		else
		{
			echo "memo:$memo value:$value false".PHP_EOL;
		}
	}
	//array_find
	function test3()
	{
		$ary =[1, 10, 100];
		//In version 8.2, the judgeArrayFind function is used as an alternative to array_find().
		//This sample tests for > (greater than)
		$this->judgeArrayFind($ary, 10, fn($data, $value) => $value > $data, false, "(int)"); //memo:(int) Result: FOUND(value:100)
		//judgeArrayFindInArrayElementAll
/*
		memo:(int) checked_value:1 -> false
		memo:(int) checked_value:10 -> false
		memo:(int) checked_value:100 -> true
*/ 
		$this->judgeArrayFind($ary, 10, fn($data, $value) => $value > $data, true, "(int)");//memo:(int) Result: FOUND(value:100)
		//judgeArrayFindInArrayElementAll
/*
		memo:(int) checked_value:1 -> false
		memo:(int) checked_value:10 -> false
		memo:(int) checked_value:100 -> true
*/ 
		$this->judgeArrayFind($ary, "10", fn($data, $value) => $value > $data, true, "(string)"); // memo:(string) Result: NOT FOUND
		//judgeArrayFindInArrayElementAll
/*
		memo:(string) checked_value:1 -> false
		memo:(string) checked_value:10 -> false
		memo:(string) checked_value:100 -> false
*/
		//Version 8.4 and later
/*
		$users = [
		['id' => 1, 'name' => 'Tanaka', 'score' => 70],
		['id' => 2, 'name' => 'Sato', 'score' => 95], // ← Search for this
		['id' => 3, 'name' => 'Suzuki', 'score' => 85],
		];
		
		// Get the first user with a score of 90 or higher
		$result = array_find($users, function($user) {
		return $user['score'] >= 90;
		});
		
		// Contents of $result: ['id' => 2, 'name' => Sato', 'score' => 95]
*/
		}
		//array_find judgment process
		//ary: Array to be judged
		//data: Data to use for judgment
		//fn: Callback function
		//option: Whether to compare types?
		//false: Do not compare
		//true: Compare
		private function judgeArrayFind(array $ary, $data, callable $fn, bool $option, string $memo)
		{
			$foundValue = null;
			$type = get_debug_type($data);
			
			foreach ($ary as $value) {
				// If type checking is enabled, skip this element if the type does not match.
				if ($option === true && get_debug_type($value) !== $type) {
				continue;
			}
			
			// Test the condition using the callback function.
			if ($fn($data, $value)) {
				$foundValue = $value; // Keep the found value.
				break; // End the loop because a value was found.
			}
		}
		
		// Test after all loops have finished.
		if ($foundValue !== null) {
			echo "memo:$memo Result: FOUND(value:$foundValue)" . PHP_EOL;
		} else {
			echo "memo:$memo Result: NOT FOUND" . PHP_EOL;
		}
		return $foundValue;
	}
	private function judgeArrayFindInArrayElementAll(array $ary, $data, callable $fn, bool $option, string $memo)
	{
		$found = null;
		$type = get_debug_type($data);
		$flg = 0;
		foreach ($ary as $value)
		{
			$match = false;
			
			/ Check both type and condition
			if ($option === true) {
				if (get_debug_type($value) === $type && $fn($data, $value))
				{
				$match = true;
				}
			} else {
				if ($fn($data, $value))
				{
				$match = true;
				}
			}
		
			/ Retrieve results for all elements
			$status = $match ? "true" : "false"; 
			echo "memo:$memo checked_value:$value -> $status" . PHP_EOL; 
		} 
	}
}
echo "<pre>";
$cls1= new test1();
$cls1->test1();
$cls1->test2();
$cls1->test3();
echo "</pre>";