How can 'if' statements be used effectively in PHP to achieve specific conditions?

To use 'if' statements effectively in PHP to achieve specific conditions, you can use logical operators such as '&&' (and), '||' (or), and '!' (not) to combine multiple conditions. This allows you to create more complex conditional statements. Additionally, you can use nested 'if' statements to check for multiple conditions within each other. 

// Example of using 'if' statements with logical operators
$age = 25;
$isStudent = true;

if ($age >= 18 && $isStudent) {
    echo "You are a student over 18 years old.";
} elseif ($age >= 18 && !$isStudent) {
    echo "You are not a student over 18 years old.";
} else {
    echo "You are not old enough to be a student.";
}

Keywords

if statements conditions PHP logic control flow

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