Php random replacement of elements in the logarithm group, php array element replacement _ PHP Tutorial-php Tutorial

Php performs random replacement of elements in the logarithm group, and changes of php array elements. Php: the method for randomly changing elements in the logarithm group. The example in this article describes how to randomly change elements in the logarithm group of php. Share it with you for your reference. Specifically, php performs random replacement of elements in the logarithm group, and php array element replacement

This example describes how to randomly change elements in a php logarithm group. Share it with you for your reference. The specific analysis is as follows:

This is a user-defined function for random replacement of php Array elements. php already has a built-in shuffle ($ Array) function with the same functions. this code can be used as a reference.

// I noticed that there is already a built-in function that// does the same - so don't use mine ;-)//// --> shuffle($Array);//// http://de2.php.net/manual/de/function.shuffle.php//function RandomizeArray($array){  // error check:  $array = (!is_array($array)) ? array($array) : $array;  $a = array();  $max = count($array) + 10;  while(count($array) > 0){        $e = array_shift($array);    $r = rand(0, $max);    // find a empty key:    while (isset($a[$r])){      $r = rand(0, $max);    }        $a[$r] = $e;  }  ksort($a);  $a = array_values($a);  return $a;}

Example:

/*** Example:*/$test_array = array('why','dont','visit','www','jonas','john','de',':-)');print implode(", ", $test_array);print "\n";print implode(", ", RandomizeArray($test_array));/*Example output:why, dont, visit, www, jonas, john, de, :-)www, de, jonas, john, visit, why, :-), dont*/

I hope this article will help you with php programming.

Examples in this article describes how php performs random replacement of elements in a logarithm group. Share it with you for your reference. Details...