The following slides introduce PHP and MySQL in a nutshell.

Slide 4.1: 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 arrays
Slide 4.7: PHP arrays (cont.)
Slide 4.8: PHP built-in functions
Slide 4.9: PHP user-defined functions
Slide 4.10: PHP forms and user input
Slide 4.11: PHP variables $_POST and $_GET
Slide 4.12: PHP radio buttons and checkboxes
Slide 4.13: PHP drop-down lists
Slide 4.14: PHP MySQL connect to a database
Slide 4.15: PHP MySQL select
Slide 4.16: PHP MySQL select (cont.)
Slide 4.17: HTML ⇒ Perl ⇒ PHP ⇒ SQL

  ☂ References

Slide 4.ⓐ: PHP tutorial from W3Schools






      “Sometimes one likes foolish people for their folly,    
      better than wise people for their wisdom.”    
      ― Elizabeth Gaskell, Wives and Daughters