The following slides start discussing PHP.

Slide 4.1: Introduction to PHP (HyperText Preprocessor)
Slide 4.2: PHP syntax
Slide 4.3: PHP variables
Slide 4.4: PHP strings
Slide 4.5: PHP operators
Slide 4.6: PHP if statement
Slide 4.7: PHP if statement (cont.)
Slide 4.8: PHP switch statement
Slide 4.9: PHP arrays
Slide 4.10: PHP arrays (cont.)
Slide 4.11: PHP looping
Slide 4.12: PHP looping (cont.)
Slide 4.13: PHP looping (cont.)
Slide 4.14: PHP built-in functions
Slide 4.15: PHP user-defined functions

  ☂ References

Slide 4.ⓐ: PHP tutorial from W3Schools






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