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PHP : Function Reference : dbx Functions : dbx_compare

dbx_compare

Compare two rows for sorting purposes (PHP 4 >= 4.0.7, PHP 5 <= 5.0.5, PECL dbx:1.1.0)
int dbx_compare ( array row_a, array row_b, string column_key [, int flags] )

Example 488. dbx_compare() example

<?php
function user_re_order($a, $b)
{
   
$rv = dbx_compare($a, $b, "parentid", DBX_CMP_DESC);
   if (!
$rv) {
       
$rv = dbx_compare($a, $b, "id", DBX_CMP_NUMBER);
   }
   return
$rv;
}

$link   = dbx_connect(DBX_ODBC, "", "db", "username", "password")
   or die(
"Could not connect");

$result = dbx_query($link, "SELECT id, parentid, description FROM table ORDER BY id");
   
// data in $result is now ordered by id

dbx_sort($result, "user_re_order");
   
// date in $result is now ordered by parentid (descending), then by id

dbx_close($link);
?>

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dbx_close
dbx_compare
dbx_connect
dbx_error
dbx_escape_string
dbx_fetch_row
dbx_query
dbx_sort
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