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<!DOCTYPE html> <html> <body> <?php $people = array("Peter", "Joe", "Glenn", "Cleveland"); echo current($people) . "<br>"; // The current element is Peter echo next($people) . "<br>"; // The next element of Peter is Joe echo current($people) . "<br>"; // Now the current element is Joe echo prev($people) . "<br>"; // The previous element of Joe is Peter echo end($people) . "<br>"; // The last element is Cleveland echo prev($people) . "<br>"; // The previous element of Cleveland is Glenn echo current($people) . "<br>"; // Now the current element is Glenn echo reset($people) . "<br>"; // Moves the internal pointer to the first element of the array, which is Peter echo next($people) . "<br>" . "<br>"; // 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 ?> </body> </html>
Peter
Joe
Joe
Peter
Cleveland
Glenn
Glenn
Peter
Joe
数组 ( [1] => Joe [value] => Joe [0] => 1 [key] => 1 )
