PHP Manual

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PHP Manual Language Reference References Explained
Language Reference Basic syntax Types Variables Constants Expressions Operators Control Structures Functions Classes and Objects Namespaces Exceptions Generators References Explained Predefined Variables Predefined Exceptions Predefined Interfaces and Classes Context options and parameters Supported Protocols and Wrappers
  • Comparing generators with Iterator objects
  • What References Are

References Explained

Table of Contents

  • What References Are
  • What References Do
  • What References Are Not
  • Passing by Reference
  • Returning References
  • Unsetting References
  • Spotting References
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