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php randomly displays image code

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WBOYOriginal
2016-07-25 08:44:131552browse
PHP generates random numbers through the rand() function. This function can generate a number within a specified range.
This code randomly selects pictures through the generated random numbers
  3. srand( microtime() * 1000000 );
  4. $num = rand( 1, 4 );
  6. switch( $num )
  7. {
  8. case 1: $image_file = "/home/images/alfa.jpg";
  9. break;
  10. case 2: $image_file = "/home/images/ferrari.jpg";
  11. break;
  12. case 3: $image_file = "/home/images/jaguar.jpg";
  13. break;
  14. case 4: $image_file = "/home/images/porsche.jpg";
  15. break;
  16. }
  17. echo " Random Image : ";
  18. ?>
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