What are common errors encountered when comparing values in PHP, and how can they be resolved?

Common errors encountered when comparing values in PHP include using the assignment operator (=) instead of the comparison operator (== or ===), not considering data types when comparing values, and using incorrect comparison operators. To resolve these issues, make sure to use the correct comparison operator, consider data types when comparing values, and double-check the logic of the comparison. 

// Incorrect comparison using assignment operator
$a = 5;
$b = 5;

if($a = $b) {
    echo "Values are equal";
} else {
    echo "Values are not equal";
}

// Correct comparison using comparison operator
$a = 5;
$b = 5;

if($a == $b) {
    echo "Values are equal";
} else {
    echo "Values are not equal";
}

Keywords

PHP comparison operators type coercion strict comparison data types

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