Jak zkontrolovat, zda je hodnota v poli v php

Příklady kódu

19
0

zkontrolujte, zda má pole hodnotu php

$myArr = [38, 18, 10, 7, "15"];

echo in_array(10, $myArr); // TRUE
echo in_array(19, $myArr); // TRUE

// Without strict check
echo in_array("18", $myArr); // TRUE
// With strict check
echo in_array("18", $myArr, true); // FALSE
14
0

hodnota php v poli

in_array ( mixed $needle , array $haystack , bool $strict = false ) : bool
-1
0

php v poli

In array 

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