Minimum version: Midgard 1.4 (Bifrost)
Updates the preference record with id id to value value.
Returns TRUE if successful. Returns FALSE on failure.
<?php
$pref = 13;
$value = "blue";
mgd_update_preference( $pref, $value);
if( $err = mgd_errno() ) {
echo "Failed to update preference.<br>";
echo "reason: " . mgd_errstr( $err );
} else {
echo "Updated preference.";
}
?>
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