What are some common mistakes to watch out for when implementing if-else conditions in PHP?

One common mistake when implementing if-else conditions in PHP is forgetting to use curly braces {} for multi-line if or else blocks. This can lead to unexpected behavior and errors in your code. Always remember to use curly braces to define the block of code that should be executed based on the condition. 

// Incorrect way without curly braces
if ($condition)
    echo "Condition is true";
    echo "This line will always be executed";

// Correct way with curly braces
if ($condition) {
    echo "Condition is true";
    echo "This line will only be executed if the condition is true";
}

Keywords

syntax error logical error elseif statement nested if-else conditional operator

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