Things To Remember with PHP :

  • To determine a value in a variable, use isset()
  • Make variable names case sensitive
  • Use super global arrays which are incredible. But use them carefully.
  • Objects are passed by reference
  • To pass function arguments, use & character , like “&$arg1?
  • Use PDO for database connectivity.
  • Use for each loop while working with arrays as it is powerful compare to for loop
  • Use array functions vigorously which are especially suited for performing database operations
  • Use regular expressions for high performance PHP applications.

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