How can PHP developers ensure that their code does not mistakenly output "Array" when it is not intended to do so?

PHP developers can ensure that their code does not mistakenly output "Array" by checking if the variable is an array using the `is_array()` function before attempting to output it. This way, they can prevent the unintended display of "Array" when the variable is actually an array. 

// Check if the variable is an array before outputting it
if (is_array($variable)) {
    // Output the array elements individually
    foreach ($variable as $element) {
        echo $element . "<br>";
    }
} else {
    // Output the variable if it is not an array
    echo $variable;
}

Keywords

PHP debugging var_dump print_r data output

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