['f_black', 'b_cyan'], ]; $manyNewlines = "\n\n\n\n"; echo CliColor::color("Unified Diff\n============", $colorStyles['section']) . "\n\n"; // generate a unified diff $unifiedResult = DiffHelper::calculate( $oldString, $newString, 'Unified', $diffOptions, $rendererOptions ); echo $unifiedResult . $manyNewlines; echo CliColor::color("Context Diff\n============", $colorStyles['section']) . "\n\n"; // generate a context diff $contextResult = DiffHelper::calculate( $oldString, $newString, 'Context', $diffOptions, $rendererOptions ); echo $contextResult . $manyNewlines;