dbx_sort (PHP 4 >= 4.0.6, PHP 5 <= 5.0.4)
dbx_sort --
Sort a result from a dbx_query by a custom sort function
Description bool
dbx_sort ( object result, string user_compare_function )
Sort a result from a dbx_query()
Parameters
result
A result set returned by dbx_query()
user_compare_function
The user-defined comparison function. It must accept two arguments and
return an integer less than, equal to, or greater than zero if the
first argument is considered to be respectively less than, equal to,
or greater than the second.
Return Values
Returns TRUE FALSE
Examples
Example 1. dbx_sort() example
<?php function user_re_order ( $a , $b ) $rv = dbx_compare ( $a , $b , "parentid" , DBX_CMP_DESC ); $rv ) { $rv = dbx_compare ( $a , $b , "id" , DBX_CMP_NUMBER ); $rv ; $link = dbx_connect ( DBX_ODBC , "" , "db" , "username" , "password" ) "Could not connect" ); $result = dbx_query ( $link , "SELECT id, parentid, description FROM tbl ORDER BY id" ); // data in $result is now ordered by id dbx_sort ( $result , "user_re_order" ); // data in $result is now ordered by parentid (descending), then by id dbx_close ( $link ); ?>
Notes Note:
It is always better to use ORDER BY
SQL clause instead of dbx_sort()
if possible.
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