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What are common mistakes to avoid when using if-else statements in PHP?

One common mistake to avoid when using if-else statements in PHP is forgetting to use curly braces {} to enclose the code block for each condition. This can lead to unexpected behavior and errors in your code. Always remember to include curly braces even if there is only one statement within the if or else block.

php 
// Incorrect way without using curly braces
if ($condition)
    echo "Condition is true";
    echo "This will always be executed, regardless of the condition";

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

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