Where can I find reliable tutorials on using negation in PHP?

To use negation in PHP, you can use the exclamation mark (!) before a condition to reverse its value. This is useful for checking if a condition is false or for negating the result of a comparison operation. To learn more about using negation in PHP, you can refer to reliable tutorials on websites like w3schools, php.net, or tutorialspoint. 

// Example of using negation in PHP
$condition = true;

if (!$condition) {
    echo "Condition is false";
} else {
    echo "Condition is true";
}

Keywords

negation PHP tutorials reliable sources programming logical operators

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