Are there any shorthand methods for checking if multiple variables are equal in PHP?

To check if multiple variables are equal in PHP, you can use the `==` or `===` comparison operators. The `==` operator checks if the values of the variables are equal, while the `===` operator checks if the values and data types are equal. You can use these operators in a single line of code to check if multiple variables are equal. 

$var1 = 10;
$var2 = 20;
$var3 = 10;

if ($var1 == $var2 && $var2 == $var3) {
    echo "All variables are equal.";
} else {
    echo "Not all variables are equal.";
}

Keywords

PHP shorthand multiple variables equal comparison.

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