public function testGetEol()
{
$patcher = new Patcher("\n \n \r");
$this->assertEquals("\n", $patcher->getEol());
$patcher = new Patcher("\r\n \r\n");
$this->assertEquals("\r\n", $patcher->getEol());
}
/**
* Backports PHP7 code to PHP5.
*
* @param string $code
* @return string ported code
* @throws PhpParser\Error
*/
public function port($code)
{
$lexer = new PhpParser\Lexer\Emulative(array('usedAttributes' => array('startFilePos', 'endFilePos', 'startTokenPos')));
$parser = new PhpParser\Parser($lexer);
$traverser = new PhpParser\NodeTraverser();
$parsedStatements = $parser->parse($code);
$tokens = new Tokens($lexer->getTokens());
$patchFactory = new PatchFactory($tokens);
$patches = new PatchCollection();
$traverser->addVisitor(new Visitor\Coalesce($patchFactory, $patches));
$traverser->addVisitor(new Visitor\ReturnType($patchFactory, $patches));
$traverser->addVisitor(new Visitor\ScalarTypehint($patchFactory, $patches));
$traverser->addVisitor(new Visitor\Spaceship($patchFactory, $patches));
$traverser->addVisitor(new Visitor\AnonymousClass($patchFactory, $patches));
$traverser->addVisitor(new Visitor\IntDiv($patchFactory, $patches));
$traverser->traverse($parsedStatements);
$patcher = new Patcher($code);
$patcher->apply($patches);
return $patcher->getCode();
}
