PHP/Data Structure/array rand

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A Random-Image Script Using array_rand()

   <source lang="html4strict">

<HTML> <HEAD><TITLE>A random image script</TITLE></HEAD> <BODY> <?php 

   srand((double)microtime()*1000000);
   $images = array("image1.jpg", "image2.jpg", "image3.jpg");
   $rImage = array_rand($images)

?> <IMG SRC="<?php echo $images[$rImage]; ?>"> </BODY> </HTML> 

 </source>


array_rand

   <source lang="html4strict">

<?php $states = array("Ohio" => "Columbus", "Iowa" => "Des Moines","Arizona" => "Phoenix"); $randomStates = array_rand($states, 2); print_r($randomStates); ?> 

 </source>


mixed array_rand ( array arr [, int amount] )

   <source lang="html4strict">

<? 

   $natural_born_killers = array("lions", "tigers", "bears", "kittens");
   $two_killers = array_rand($natural_born_killers, 2);

?> 

 </source>
Источник — «http://wbex.ru/index.php?title=PHP/Data_Structure/array_rand&oldid=173»