Php Getting Started Tutorial (7) PHP functions

Source: Internet
Author: User
Php Getting Started Tutorial (7) PHP functions

  1. Function writeMyName ()
  2. // Bbs.it-home.org
  3. Echo "jeremyLin ";
  4. }
  5. WriteMyName ();
  6. ?>

2. function-adding a parameter the first function is a very simple function. It can only output one static string. You can add parameters to add more functions to a function. The parameter is similar to a variable. Example:

  1. Function writeMyName ($ fname)
  2. // Bbs.it-home.org
  3. Echo $ fname. "jeremy.
    ";
  4. }
  5. Echo "My name is ";
  6. WriteMyName ("lin ");
  7. Echo "My name is ";
  8. WriteMyName ("kobe ");
  9. Echo "My name is ";
  10. WriteMyName ("John ");
  11. ?>

3. function-return value functions can also be used to return values.

  1. Function add ($ x, $ y)
  2. {
  3. $ Total = $ x + $ y;
  4. Return $ total;
  5. }
  6. Echo "4 + 26 =". add (4, 26 );
  7. ?>

Output: 4 + 26 = 30

>>> View more php tutorials <

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