What are the best practices for structuring conditional statements in PHP to avoid errors and improve readability?

When structuring conditional statements in PHP, it is important to follow best practices to avoid errors and improve readability. One common mistake is to use single equal sign (=) for comparison instead of double equal signs (==) or triple equal signs (===). Additionally, it is recommended to use parentheses to make the conditions clear and to properly indent the code for better readability.

// Incorrect way of structuring conditional statements
if($x = 10){
    // Code block
}

// Correct way of structuring conditional statements
if($x == 10){
    // Code block
}