References ExplainedPodręcznik PHPPoprzedniNastępnyRozdział 14. References ExplainedSpis treściWhat References AreWhat References DoWhat References Are NotPassing by ReferenceReturning ReferencesUnsetting ReferencesSpotting ReferencesWhat References Are References are a means in PHP to access the same variable content by different names. They are not like C pointers, they are symbol table aliases. Note that in PHP, variable name and variable content are different, so the same content can have different names. The most close analogy is with Unix filenames and files - variable names are directory entries, while variable contents is the file itself. References can be thought of as hardlinking in Unix filesystem. PoprzedniSpis treściNastępnyReferencje wewnątrz konstruktoraPoczątek rozdziałuWhat References Do