php-basics/operators.php at master · dariogmzfdz/php-basics · GitHub

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<?php
// Arithmetic operators

    echo "5+5: ";
    $sum = 5 + 5;
    echo $sum . "\n";

    echo "5-5: ";
    $subtraction = 5 - 5;
    echo $subtraction . "\n";

    echo "5*5: ";
    $mult = 5 * 5;
    echo $mult . "\n";

    echo "5/5: ";
    $division = 5 / 5;
    echo $division . "\n";

    echo "5%5: ";
    $remainder = 5 % 5;
    echo $remainder . "\n";

// Comparison operators

    echo "5==5: ";
    echo var_dump(5 == 5);

    echo "5!=5: ";
    echo var_dump(5 != 5);

    echo "5<5: ";
    echo var_dump(5 < 5);

    echo "5>5: ";
    echo var_dump(5 > 5);

    echo "5<=5: ";
    echo var_dump(5 <= 5);

    echo "5>=5: ";
    echo var_dump(5 >= 5);

// Logical Operators

    echo "true && false: ";
    echo var_dump(true && false);

    echo "true and false: ";
    echo var_dump(true and false);

    echo "true||false: ";
    echo var_dump(true || false);

    echo "true or false: ";
    echo var_dump(true or false);

    echo "!true: ";
    echo var_dump(!true);

    echo "true xor false: ";
    echo var_dump(true xor false);
?>