What is the significance of the error message "count(): Parameter must be an array or an object that implements Countable" in PHP?

The error message "count(): Parameter must be an array or an object that implements Countable" in PHP occurs when the `count()` function is used with a variable that is not an array or an object. To solve this issue, you should ensure that the variable passed to the `count()` function is indeed an array or an object that implements the `Countable` interface. 

// Check if the variable is an array or an object that implements Countable
if (is_array($variable) || $variable instanceof Countable) {
    $count = count($variable);
    // Use the count variable as needed
} else {
    // Handle the case when the variable is not countable
    echo "Variable is not an array or an object that implements Countable";
}

Keywords

PHP error message count() array object

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