PHP ʖ²ἯTH º󍋼/A Ղ 12. w³̿ؖƼ/TD switch if ($i == 0) {print "i equals 0";} if ($i == 1) {print "i equals 1";} if ($i == 2) {print "i equals 2";} switch ($i) {case 0: print "i equals 0"; break; case 1: print "i equals 1"; break; case 2: print "i equals 2"; break;} switch ($i) {case 0: print "i equals 0"; case 1: print "i equals 1"; case 2: print "i equals 2";} switch ($i) {case 0: case 1: case 2: print "i is less than 3 but not negative"; break; case 3: print "i is 3";} switch ($i) {case 0: print "i equals 0"; break; case 1: print "i equals 1"; break; case 2: print "i equals 2"; break; default: print "i is not equal to 0, 1 or 2";} switch ($i): case 0: print "i equals 0"; break; case 1: print "i equals 1"; break; case 2: print "i equals 2"; break; default: print "i is not equal to 0, 1 or 2"; endswitch; º󍋼/A ưµ㼯A continue ɏһ¼¶ declare