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--TEST-- Test floor() - basic function test for floor() --INI-- precision=14 --FILE-- <?php /* Prototype : float floor ( float $value ) * Description: Round fractions down. * Source code: ext/standard/math.c */ echo "*** Testing floor() : basic functionality ***\n"; $values = array(0, -0, 0.5, -0.5, 1, -1, 1.5, -1.5, 2.6, -2.6, 037, 0x5F, "10.5", "-10.5", "3.95E3", "-3.95E3", "039", "0x5F", true, false, null, ); foreach($values as $value) { echo "\n-- floor $value --\n"; var_dump(floor($value)); }; ?> ===Done=== --EXPECTF-- *** Testing floor() : basic functionality *** -- floor 0 -- float(0) -- floor 0 -- float(0) -- floor 0.5 -- float(0) -- floor -0.5 -- float(-1) -- floor 1 -- float(1) -- floor -1 -- float(-1) -- floor 1.5 -- float(1) -- floor -1.5 -- float(-2) -- floor 2.6 -- float(2) -- floor -2.6 -- float(-3) -- floor 31 -- float(31) -- floor 95 -- float(95) -- floor 10.5 -- float(10) -- floor -10.5 -- float(-11) -- floor 3.95E3 -- float(3950) -- floor -3.95E3 -- float(-3950) -- floor 039 -- float(39) -- floor 0x5F -- float(95) -- floor 1 -- float(1) -- floor -- float(0) -- floor -- float(0) ===Done===