Does the bug persist in PHP 5.6 as well?

The issue is likely related to a specific bug or error in the PHP code that causes unexpected behavior. To solve this issue, you can try updating PHP to a newer version or checking for any deprecated functions or syntax that might be causing the problem.

// Example fix for a potential bug in PHP code
// Check for deprecated functions or syntax
if (version_compare(PHP_VERSION, '7.0.0') < 0) {
    // Code to handle deprecated functions or syntax in PHP 5.6
} else {
    // Code for PHP 7 and above
}