In what situations should unnecessary parentheses in PHP conditional statements be avoided for better code clarity?

Unnecessary parentheses in PHP conditional statements should be avoided for better code clarity, as they can make the code harder to read and understand. When writing conditional statements, it is best to only use parentheses when they are necessary for grouping conditions or for clarity. Removing unnecessary parentheses can improve the readability of the code and make it easier to maintain. 

// Bad practice - unnecessary parentheses in conditional statement
if (( $condition1 && $condition2 ) || $condition3) {
    // code block
}

// Good practice - removing unnecessary parentheses
if ($condition1 && $condition2 || $condition3) {
    // code block
}

Keywords

PHP conditional statements parentheses code clarity readability

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