1
00:00:00,000 --> 00:00:00,330

2
00:00:00,330 --> 00:00:02,860
>> DAVID Malan: Se pou yo ekri yon pwogram nan
PHP ki envit itilizatè a pou yon

3
00:00:02,860 --> 00:00:05,350
nonb antye ki pè ak Lè sa a, detèmine
si wi ou non ke nonb antye ki pè se

4
00:00:05,350 --> 00:00:07,690
pozitif, 0, oswa negatif.

5
00:00:07,690 --> 00:00:11,480
Isit la nan kondisyon-1.php, mwen te deja
Avèk konkou nou te kòmanse pa ouvèti ak

6
00:00:11,480 --> 00:00:13,160
fèmen yon tag PHP.

7
00:00:13,160 --> 00:00:17,320
Se pou yo premye deklare yon varyab,
tou senpleman pa fè $ n.

8
00:00:17,320 --> 00:00:20,260
Siyen an dola endike ke sa a se
yon varyab, ak avi ke nou pa fè sa

9
00:00:20,260 --> 00:00:21,770
bezwen bay yon kalite done.

10
00:00:21,770 --> 00:00:24,900
>> Se pou nou kounye a rele yon fonksyon rele
rèdlin, ki se menm jan an nan lespri

11
00:00:24,900 --> 00:00:29,300
getString nan bibliyotèk la CS50 pou C.
Men, rèdlin tou pran yon diskisyon

12
00:00:29,300 --> 00:00:32,600
ki espesifye èd memwa a ke ou ta
renmen montre itilizatè a.

13
00:00:32,600 --> 00:00:36,660
Pou egzanp, mwen ta renmen
yon nonb antye relatif tanpri.

14
00:00:36,660 --> 00:00:38,910
>> Se pou nou kounye a analize opinyon itilizatè a la.

15
00:00:38,910 --> 00:00:45,860
Si n gen plis pouvwa pase 0, Lè sa a, se pou ekri ak lèt ​​detache a
soti ak printf, ou pran yon

16
00:00:45,860 --> 00:00:48,880
nimewo ki pozitif.

17
00:00:48,880 --> 00:00:56,750
ekri ak lèt ​​detache lòt moun si n egal 0, Lè sa a, se pou yo
soti ak printf, ou pran 0.

18
00:00:56,750 --> 00:01:01,560
Ak Finalman, lòt moun si kantite a se
prezimableman negatif, se pou yo enprime soti

19
00:01:01,560 --> 00:01:06,680
ak printf, ou pran
yon chif negatif.

20
00:01:06,680 --> 00:01:11,540
>> Se pou nou kounye a sove sa a ranpli epi yo pase li
a la entèprèt la PHP -

21
00:01:11,540 --> 00:01:13,053
php kondisyon-1.php.

22
00:01:13,053 --> 00:01:16,010

23
00:01:16,010 --> 00:01:17,230
Mwen ta renmen yon nonb antye relatif tanpri.

24
00:01:17,230 --> 00:01:19,510
Kouman sou 50?

25
00:01:19,510 --> 00:01:20,960
Yon nimewo pozitif.

26
00:01:20,960 --> 00:01:23,195
>> Se pou yo kouri li ankò ak, di, 0.

27
00:01:23,195 --> 00:01:24,500
Mwen te chwazi 0.

28
00:01:24,500 --> 00:01:27,640
Se pou yo kouri li ankò ak,
di, negatif 50.

29
00:01:27,640 --> 00:01:29,430
Apre sa, mwen tout bon pran yon chif negatif.

30
00:01:29,430 --> 00:01:34,330
Men, avi, ki pi enpòtan, jis
ki jan menm jan an sentaks sa a se C.

31
00:01:34,330 --> 00:01:35,526