What best practices should be followed when using if-else constructs in PHP to avoid unexpected errors?

When using if-else constructs in PHP, it's important to always include curly braces {} even if there's only one statement in the block. This helps avoid unexpected errors caused by misinterpreting the code structure. Additionally, using strict comparison operators (=== and !==) instead of loose comparison operators (== and !=) can prevent unintended type coercion. 

// Incorrect way without curly braces
if ($condition)
    echo "Condition is true";
else
    echo "Condition is false";

// Correct way with curly braces
if ($condition) {
    echo "Condition is true";
} else {
    echo "Condition is false";
}

Keywords

conditional statements error handling syntax errors logical operators debugging

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