What is the significance of the error message "Illegal string offset 'text'" in PHP?

The error message "Illegal string offset 'text'" in PHP typically occurs when trying to access a string as an array using square brackets. This error indicates that PHP is expecting an array, but a string is being provided instead. To solve this issue, you need to ensure that you are working with an array when using square brackets to access elements.

// Incorrect usage causing the error
$string = "Hello";
echo $string['text']; // This will throw the "Illegal string offset 'text'" error

// Correct usage
$array = array('text' => 'Hello');
echo $array['text']; // This will output 'Hello'