Example of PHP searching for book information on Amazon's website based on ISBN ISBN

  This article mainly introduces PHP according to the ISBN ISBN search for information on the Amazon website of the sample, the need for friends can refer to the following

Plugin Description: Based on the 10-bit ISBN, the plugin finds the details of the book on the Amazon website. If the result is found, an array of two elements is returned, where the first element is the title of the book, and the second element is the URL address of the book cover abbreviation. It requires the following parameters: $ISBN 10-bit ISBN ISBN     code as follows: $ISBN   = ' 007149216X '; $result = PIPHP_GETBOOKFROMISBN ($ISBN); if (! $result) echo "Could not find the title for ISBN ' $ISBN '." else echo "<img src= ' $result [1] ' align= ' left ' ><b> $result [0]";   function PIPHP_GETBOOKFROMISBN ($ISBN) {   //Plug-in 93:get book from ISBN    //  &nbsp //This plug-in looks up a ISBN-10 at Amazon.com and then    //returns the matching book title and a Thumbnai L Image    //of the front cover. It requires this argument:    //   //    $ISBN: The ISBN to look up    //   //Updated from the "function in the" to take into    //account changes to the Amazon HTML.       $find = ' <meta name= ' description ' content= Amazon: ';     $url  = "http://www.amazon.com/gp/aw/D.html?a= $ISBN ";     $img  = ' Http://ecx.images-amazon.com/images/I ';       $page = @file_get_contents ($url);    if (!strlen ($page)) return array (FALSE);       $ptr 1 = strpos ($page, $find) + strlen ($find);    IF (! $ptr 1) return array (FALSE);       $PTR 2  = strpos ($page, '/> ', $ptr 1);     $title = substr ($page, $ptr 1, $ptr 2-$ptr 1);       $find = $img;     $PTR 1  = strpos ($page, $find) + strlen ($find);     $PTR 2  = strpos ($page, ' "', $ptr 1);     $image = substr ($page, $ptr 1, $ptr 2-$ptr 1);      return Array ($title, $img. $image); }