Testing the GitHub highlighting algo

highlight.php

<?php

// Testing the GithUb PHP 7 syntax highlighting


// Without the scalar type hint it's ok
function foo( $str = '' ) {
  echo "test";
}

// PHP 7 scalar type hints colors the highlight of default value in red
function bar( string $str = '' ) {
  echo "test2";
} 

function baz( string $str = 'default' ) {
  echo "test3";
}