What is the behavior of PHP when using the "or" operator in boolean expressions?

When using the "or" operator in PHP, it is important to understand that it has a lower precedence than the "||" operator. This means that when using "or" in boolean expressions, it may not behave as expected due to its lower precedence. To ensure the correct evaluation of boolean expressions, it is recommended to use the "||" operator instead of "or".

// Incorrect usage of "or" operator
if ($x > 5 or $y < 10) {
    // This may not behave as expected due to lower precedence of "or"
}

// Corrected code using "||" operator
if ($x > 5 || $y < 10) {
    // This will correctly evaluate the boolean expression
}