What are the potential conflicts that can arise when using different versions of PHP in the same environment?

When using different versions of PHP in the same environment, potential conflicts can arise due to differences in syntax, functions, and features between the versions. To solve this issue, you can use version-specific conditionals to check the PHP version being used and adjust the code accordingly. 

if (version_compare(PHP_VERSION, '7.0.0') >= 0) {
    // Code for PHP 7 and above
} else {
    // Code for PHP 5.x
}

Keywords

PHP versions compatibility issues deprecated functions error messages environment conflicts

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