The following slides introduce XML, HTML DOM, and JSON.

Slide 14.1: XML (eXtensible Markup Language)
Slide 14.2: XML (cont.)
Slide 14.3: PHP XML DOM (Document Object Model)
Slide 14.4: PHP XML DOM (cont.)
Slide 14.5: PHP SimpleXML

Slide 14.6: HTML DOM (Document Object Model)
Slide 14.7: HTML DOM (cont.)
Slide 14.8: (HTML DOM) Nodes
Slide 14.9: (HTML DOM) Node trees
Slide 14.10: (HTML DOM) Node trees (cont.)
Slide 14.11: (HTML DOM) Properties and methods
Slide 14.12: (HTML DOM) Properties and methods (cont.)
Slide 14.13: (HTML DOM) Accessing nodes
Slide 14.14: (HTML DOM) Accessing nodes (cont.)
Slide 14.15: (HTML DOM) Accessing nodes (cont.)

Slide 14.16: JSON (JavaScript Object Notation)
Slide 14.17: (JSON) Syntax
Slide 14.18: (JSON) Syntax (cont.)
Slide 14.19: JSON vs XML
Slide 14.20: (JSON) Data types
Slide 14.21: (JSON) Parse

  ☂ References

Slide 14.a: XML from W3Schools
Slide 14.b: HTML DOM from W3Schools
Slide 14.c: JSON from W3Schools








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