What does the error "Illegal string offset 'key'" mean in PHP?

The error "Illegal string offset 'key'" in PHP occurs when you try to access an index of a string as if it were an array. To solve this issue, you need to make sure that you are working with an array and not a string when trying to access elements by key. 

// Example code snippet to fix the "Illegal string offset 'key'" error
$data = array('key' => 'value');
if (is_array($data) && array_key_exists('key', $data)) {
    echo $data['key'];
} else {
    echo "Key does not exist in the array.";
}

Keywords

PHP error Illegal string offset key troubleshooting

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