How to get the output on this PHP script? -

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i'm newbie programming , php learning 2 dimensional arrays.

when run code below, gives me blank page. when put echo in front of function call echo usort($a, 'mysort1'); page shows me 1 (i have no idea why).

what want see output of array after it's been sorted.

doing var_dump($a); not i'm after. how show result of function?

how? if can help.

<?php  $a = array ( array ('key1' => 940, 'key2' => 'blah'), array ('key1' => 23, 'key2' => 'this'), array ('key1' => 894, 'key2' => 'that') );   function mysort1($x, $x) {      return ($x['key1'] > $y['key']);  }  usort($a, 'mysort1');    ?>

for starters think have 2 typos in comparison function:

                     //should $y not $x function mysort1($x, $y) {      return ($x['key1'] > $y['key1']);  // should $y['key1'] }

next, usort sorts array in place returning true on success , false otherwise, why see 1 when echo it's return value.

try:

print_r($a);

to display sorted array.


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