The `htmlspecialchars()` function is used to escape arbitrary text strings for display.
Original the default for the `$flags` parameter of that function in PHP was `ENT_COMPAT`, which translates to "convert double quotes to `"` and leave single quotes alone".
As of PHP 8.1, the default value for the `$flags` parameter has been made more robust and was changed to `ENT_QUOTES | ENT_SUBSTITUTE | ENT_HTML401`, which translates to "convert both double and single quotes, replace invalid code unit sequences with a Unicode Replacement Character and treat code as HTML 4.01".
For code to provide the same/predictable output cross-version PHP, the `$flags` parameter should be explicitly set and what with the new default value being the more robust one, this commit adds that value for `$flags` in all instances of function calls to `htmlspecialchars()`.
Once the application minimum PHP version is PHP 8.1 or higher, the parameter can be removed again (as the value will then be the same as the default parameter value).
Ref: https://www.php.net/manual/en/function.htmlspecialchars.php
PSR-2 reformat
Enable debug output for failing test
Fix broken test
Comment clearout
Proper thin spaces before French punctuation
Fix phpdocs for addrAppend and addrFormat, fixes#81
Minor code cleanup, remove some local vars
See changelog.
More phpdoc cleanup
Update test_script to use some recently changed features, rename to code_generator
Generated code actually works!
Update SyntaxHighlighter
New PHPMailer graphic
jrfnl
Marcus Bointon
michaelkonecny