render() public method

Escapes special characters with their escaped counterparts as needed using PHPs htmlentities() function.
See also: http://www.php.net/manual/function.htmlentities.php
public render ( string $value = null, boolean $keepQuotes = false, string $encoding = 'UTF-8', boolean $doubleEncode = true ) : string
$value string string to format
$keepQuotes boolean if TRUE, single and double quotes won't be replaced (sets ENT_NOQUOTES flag)
$encoding string
$doubleEncode boolean If FALSE existing html entities won't be encoded, the default is to convert everything.
return string the altered string
 /**
  * @test
  */
 public function renderDoesNotModifySourceIfItIsAnObjectThatCantBeConvertedToAString()
 {
     $user = new UserWithoutToString('Xaver <b>Cross-Site</b>');
     $actualResult = $this->viewHelper->render($user);
     $this->assertSame($user, $actualResult);
 }