Jump to content

To Use Static Variables:


Recommended Posts

Hallo Can somebody please help me witht he following code. It gives me an error message:Parse error: parse error, expecting `')'' in C:\xampp\htdocs\exercise\sort2.php on line 24<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN""[www.w3.org];<html xmlns="[www.w3.org]; xml:lang="en" lang="en"><head><meta http-equiv="content-type" content="text/html; charset=iso-8859-1" /><title>Sorting Multidimensional Arrays</title></head><body><?php # Script 1.4 - sort2.php/* This page creates a multidimensional array* of names and grades.* The array is then sorted twice:* once by name and once by grade.* A static variable has been added to both* functions to see how many times they are called.*/// Create the array:// Array structure:// studentID => array ('name' => 'Name', 'grade' => XX.X)$students = array (256 => array ('name' => 'Jon', 'grade' => 98.5),=> array ('name' => 'Vance', 'grade' => 85.1),9 => array ('name' => 'Stephen', 'grade' => 94.0),364 => array ('name' => 'Steve', 'grade' => 85.1),68 => array ('name' => 'Rob', 'grade' => 74.6));// Name sorting function:function name_sort ($x, $y) {static $count = 1;echo "<p>Iteration $count: {$x['name']} vs. {$y['name']}</p>\n";$count++;return strcasecmp($x['name'], $y['name']);}// Grade sorting function:// Sort in DESCENDING order!function grade_sort ($x, $y) {static $count = 1;echo "<p>Iteration $count: {$x['grade']} vs. {$y['grade']}</p>\n";$count++;return ($x['grade'] < $y['grade']);}// Print the array as is:echo '<h3>Array As Is</h3><pre>' . print_r($students, 1) . '</pre>';// Sort by name:uasort ($students, 'name_sort');// Print the array now:echo '<h3>Array Sorted By Name</h3><pre>' . print_r($students, 1) . '</pre>';// Sort by grade:uasort ($students, 'grade_sort');// Print the array now:echo '<h3>Array Sorted By Grade</h3><pre>' . print_r($students, 1) . '</pre>';?></body></html>

Link to comment
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now

  • Create New...