<?php
$a = array ( "John" => array ( "test_id" => 1 , "student_id" => 2 , "mark" => 4 ) , "Peter" => array ( "test_id" => 1 , "student_id" => 4 , "mark" => 3 ) , "Hans" => array ( "test_id" => 1 , "student_id" => 3 , "mark" => 2 ) , "Helen" => array ( "test_id" => 2 , "student_id" => 2 , "mark" => 1 ) ) ;
for ( $j = 0 ; $j < $i ; $j ++ )
{
if ( $b [ $j ] [ 'mark' ] > $b [ $j + 1 ] [ 'mark' ] )
{
$max = $b [ $j ] ;
$b [ $j ] = $b [ $j + 1 ] ;
$b [ $j + 1 ] = $max ;
//_____________________________________________
$max = $c [ $j ] ;
$c [ $j ] = $c [ $j + 1 ] ;
$c [ $j + 1 ] = $max ;
}
}
// your code goes here
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