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Cod aleatoriu
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Topic: Cod aleatoriu (Read 164 times)
LyVyU VT
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Posts: 12
Cod aleatoriu
«
on:
November 14, 2008, 10:28:26 PM »
Vreau sa mi se genereze la fiecare refresh al paginii cate un COD format din cifre si litere.
La cifre stiu codul.. dar la litere nu il stiu...
Code:
$rand=rand(10000000,99999999);
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DarkAngelBv
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Posts: 106
Re: Cod aleatoriu
«
Reply #1 on:
November 15, 2008, 05:43:11 PM »
De fapt si literele pot fi scrise sub forma de cifre.
Pentru a afla legatura dintre o litera poti folosi functia
ORD
iar pentru a returna litera din cifra se foloseste functia
CHR
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DarkAngelBv
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Re: Cod aleatoriu
«
Reply #2 on:
November 16, 2008, 01:00:03 AM »
<?php
$numar
=
'15'
;
$cod
=
''
;
$cifre
=
range
(
0
,
9
);
$lit
=
range
(
'a'
,
'z'
);
$LIT
=
range
(
'A'
,
'Z'
);
$caractere
=
array_merge
(
$cifre
,
$lit
,
$LIT
);
$num
=
count
(
$caractere
) -
1
;
for(
$i
=
0
;
$i
<
$numar
;
$i
++){
$j
=
rand
(
0
,
$num
);
$cod
.=
$caractere
[
$j
];
}
echo
$cod
;
?>
Ca sa ai idee de o implementare mai facila decat in cazul folosirii ORD si CHR.
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LyVyU VT
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Posts: 12
Re: Cod aleatoriu
«
Reply #3 on:
November 16, 2008, 11:36:34 AM »
Multumesc mult!
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