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--TEST-- Test natcasesort() function : usage variations - different numeric types --SKIPIF-- <?php if (PHP_INT_SIZE != 4) die("skip this test is for 32bit platform only"); ?> --FILE-- <?php /* Prototype : bool natcasesort(array &$array_arg) * Description: Sort an array using case-insensitive natural sort * Source code: ext/standard/array.c */ /* * Pass arrays of numeric data to test how natcasesort re-orders the array */ echo "*** Testing natcasesort() : usage variation ***\n"; $inputs = array ( // negative/positive integers array array(11, -11, 21, -21, 31, -31, 0, 41, -41), // float value array array(10.5, -10.5, 10.5e2, 10.6E-2, .5, .01, -.1), // mixed value array array(.0001, .0021, -.01, -1, 0, .09, 2, -.9, 10.6E-2, -10.6E-2, 33), // array values contains minimum and maximum ranges array(2147483647, 2147483648, -2147483647, -2147483648, -0, 0, -2147483649) ); $iterator = 1; foreach ($inputs as $array_arg) { echo "\n-- Iteration $iterator --\n"; var_dump(natcasesort($array_arg)); var_dump($array_arg); } echo "Done"; ?> --EXPECTF-- *** Testing natcasesort() : usage variation *** -- Iteration 1 -- bool(true) array(9) { [1]=> int(-11) [3]=> int(-21) [5]=> int(-31) [8]=> int(-41) [6]=> int(0) [0]=> int(11) [2]=> int(21) [4]=> int(31) [7]=> int(41) } -- Iteration 1 -- bool(true) array(7) { [6]=> float(-0.1) [1]=> float(-10.5) [5]=> float(0.01) [4]=> float(0.5) [3]=> float(0.106) [0]=> float(10.5) [2]=> float(1050) } -- Iteration 1 -- bool(true) array(11) { [2]=> float(-0.01) [7]=> float(-0.9) [9]=> float(-0.106) [3]=> int(-1) [4]=> int(0) [0]=> float(0.0001) [1]=> float(0.0021) [5]=> float(0.09) [8]=> float(0.106) [6]=> int(2) [10]=> int(33) } -- Iteration 1 -- bool(true) array(7) { [2]=> int(-2147483647) [3]=> float(-2147483648) [6]=> float(-2147483649) [5]=> int(0) [4]=> int(0) [0]=> int(2147483647) [1]=> float(2147483648) } Done