How can developers ensure type-safe comparisons when dealing with arrays and objects in PHP?

Developers can ensure type-safe comparisons when dealing with arrays and objects in PHP by using the strict comparison operator (===) instead of the loose comparison operator (==). This will compare both the values and the types of the variables, ensuring that the comparison is type-safe. 

$array1 = [1, 2, 3];
$array2 = [1, 2, 3];

if ($array1 === $array2) {
    echo 'Arrays are equal.';
} else {
    echo 'Arrays are not equal.';
}

Keywords

type-safe comparisons arrays objects PHP strict comparison

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