源代码:
<HTML> <HEAD></HEAD> <FONT FACE="'Courier New',Verdana, Arial, Helvetica" SIZE=2> <!DOCTYPE html> <html> <body> <FONT COLOR=#ff0000><?php $people = array("Peter", "Joe", "Glenn", "Cleveland"); echo current($people) . " "; // The current element is Peter echo next($people) . " "; // The next element of Peter is Joe echo current($people) . " "; // Now the current element is Joe echo prev($people) . " "; // The previous element of Joe is Peter echo end($people) . " "; // The last element is Cleveland echo prev($people) . " "; // The previous element of Cleveland is Glenn echo current($people) . " "; // Now the current element is Glenn echo reset($people) . " "; // Moves the internal pointer to the first element of the array, which is Peter echo next($people) . " " . " "; // The next element of Peter is Joe print_r (each($people)); // Returns the key and value of the current element (now Joe), and moves the internal pointer forward ?></FONT> </body> </html> </HTML>
运行结果：
<HTML> <HEAD></HEAD> <FONT FACE="'Courier New',Verdana, Arial, Helvetica" SIZE=2> <!DOCTYPE html> <html> <body> <FONT COLOR=#ff0000>Peter Joe Joe Peter Cleveland Glenn Glenn Peter Joe Array ( [1] => Joe [value] => Joe [0] => 1 [key] => 1 ) </FONT> </body> </html> </HTML>