--TEST-- Test array_sum() function : basic functionality --FILE-- <?php /* Prototype : mixed array_sum(array &input) * Description: Returns the sum of the array entries * Source code: ext/standard/array.c */ echo "*** Testing array_sum() : basic functionality ***\n"; // array with integer values $input = array(1, 2, 3, 4, 5); echo "-- array_sum() with integer array entries --\n"; var_dump( array_sum($input) ); // array with float values $input = array(1.0, 2.2, 3.4, 4.6); echo "-- array_sum() with float array entries --\n"; var_dump( array_sum($input) ); // array with integer and float values $input = array(1, 2.3, 4, 0.6, 10); echo "-- array_sum() with integer/float array entries --\n"; var_dump( array_sum($input) ); echo "Done" ?> --EXPECTF-- *** Testing array_sum() : basic functionality *** -- array_sum() with integer array entries -- int(15) -- array_sum() with float array entries -- float(11.2) -- array_sum() with integer/float array entries -- float(17.9) Done