GHSA-MH6W-VXFF-9WQP PHPUnit: Argument injection via newline in PHP INI values forwarded to child processes

Impact PHPUnit forwards PHP INI settings to child processes used for isolated/PHPT test execution as -d name=value command-line arguments without neutralizing INI metacharacters. Because PHP's INI parser interprets " as a string delimiter, ; as the start of a comment, and most importantly a newli...