By Sayed Ahmed:<\/p>\n
int rand ( void ) : \u098f\u0995\u099f\u09be random \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u09a6\u09bf\u09ac\u09c7 \u0964 mt_rand() \u0993 \u098f\u0995\u099f\u09be random \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u09a6\u09bf\u09ac\u09c7 \u0995\u09bf\u09a8\u09cd\u09a4\u09c1 \u09a4\u09c1\u09b2\u09a8\u09be\u09ae\u09c1\u09b2\u0995 \u09ad\u09be\u09ac\u09c7 \u09ad\u09be\u09b2\u09cb \u098f\u09b2\u0997\u09b0\u09bf\u09a6\u09ae \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09ac\u09c7\u0964<\/p>\n
int rand ( int $min , int $max ) : \u098f\u0995\u099f\u09be random \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u09a6\u09bf\u09ac\u09c7 \u0995\u09bf\u09a8\u09cd\u09a4\u09c1 min \u098f\u09ac\u0982 max \u098f\u09b0 \u09ad\u09bf\u09a4\u09b0\u09c7 \u0964<\/p>\n
int getrandmax(void) \u2014 \u09b8\u09b0\u09cd\u09ac\u09cb\u099a\u09cd\u099a random \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u09a6\u09bf\u09ac\u09c7. \u0995\u09bf\u099b\u09c1 \u0995\u09bf\u099b\u09c1 \u09aa\u09cd\u09b2\u09be\u099f\u09ab\u09b0\u09ae\u09c7 \u09b8\u09b0\u09cd\u09ac\u09cb\u099a\u09cd\u099a \u09b9\u099a\u09cd\u099b\u09c7 32767<\/p>\n
void srand ([ int $seed ] ) random \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u098f\u09b0 \u09ac\u09c0\u099c \u09b8\u09c7\u099f \u0995\u09b0\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u09b9\u09df \u0964<\/p>\n
—-
\nint mt_rand ( void ) : \u098f\u0995\u099f\u09be random \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u09a6\u09bf\u09ac\u09c7 \u09af\u09be rand() \u098f\u09b0 \u099a\u09be\u0987\u09a4\u09c7 \u099a\u09be\u09b0 \u0997\u09c1\u09a8 \u09a6\u09cd\u09b0\u09a4 \u0989\u09ce\u09aa\u09a8\u09cd\u09a8 \u09b9\u09ac\u09c7 \u0964 \u09b8\u09ac\u09b8\u09ae\u09df \u098f\u0987 \u09ab\u09be\u0982\u09b6\u09a8 \u099f\u09be \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09be\u099f\u09be\u0987 \u0986\u09b8\u09b2\u09c7 \u09ad\u09be\u09b2\u09cb \u0964<\/p>\n
int mt_rand ( int $min , int $max ) : \u098f\u0995\u099f\u09be random \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u09a6\u09bf\u09ac\u09c7 \u09af\u09be min \u098f\u09ac\u0982 max \u098f\u09b0 \u09ad\u09bf\u09a4\u09b0\u09c7 \u0964<\/p>\n
mt_rand () \u098f\u09b0 \u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0\u09c7 mt_getrandmax () \u2014 \u09b8\u09b0\u09cd\u09ac\u09cb\u099a\u09cd\u099a random \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u0989\u09ce\u09aa\u09a8\u09cd\u09a8 \u0995\u09b0\u09ac\u09c7 \u0964<\/p>\n
string openssl_random_pseudo_bytes ( int $length [, bool &$crypto_strong ] ) \u0983 \u09ab\u09be\u0982\u09b6\u09a8 \u099f\u09bf random \u0993\u09df\u09be\u09b0\u09cd\u09a1\/\u09a1\u09be\u099f\u09be \u09a6\u09bf\u09ac\u09c7 $length \u098f\u09b0 \u09b8\u09ae\u09be\u09a8 \u0964 \u09b8\u09be\u09a5\u09c7 \u09b8\u09be\u09a5\u09c7 \u09ac\u09b2\u09ac\u09c7 \u09af\u09c7 random \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u0989\u09ce\u09aa\u09a8\u09cd\u09a8 \u0995\u09b0\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u0995\u09cb\u09a8 \u09b6\u0995\u09cd\u09a4\u09bf\u09b6\u09be\u09b2\u09c0 \u09b2\u099c\u09bf\u0995\/\u098f\u09b2\u0997\u09b0\u09bf\u09a6\u09ae \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09be \u09b9\u09df\u09c7\u099b\u09c7 \u0995\u09bf\u09a8\u09be \u0964<\/p>\n
\u0985\u09a8\u09cd\u09af \u0995\u09bf\u099b\u09c1 \u09b8\u09ae\u09cd\u09aa\u09b0\u09cd\u0995\u09bf\u09a4 \u09ab\u09be\u0982\u09b6\u09a8<\/p>\n
bin2hex() –
\ncrypt() –
\nmt_rand() –
\nuniqid() –<\/p>\n
\u0989\u09a6\u09be\u09b9\u09b0\u09a3 :<\/p>\n
for ($i = -1; $i <= 4; $i++) {
\n$bytes = openssl_random_pseudo_bytes($i, $cstrong);
\n$hex = bin2hex($bytes);<\/p>\n
echo “Lengths: Bytes: $i and Hex: ” . strlen($hex) . PHP_EOL;
\nvar_dump($hex);
\nvar_dump($cstrong);
\necho PHP_EOL;
\n}
\n?><\/p>\n
Output:<\/p>\n
Lengths: Bytes: -1 and Hex: 0
\nstring(0) “”
\nNULL<\/p>\n
Lengths: Bytes: 0 and Hex: 0
\nstring(0) “”
\nNULL<\/p>\n
Lengths: Bytes: 1 and Hex: 2
\nstring(2) “42”
\nbool(true)<\/p>\n
Lengths: Bytes: 2 and Hex: 4
\nstring(4) “dc6e”
\nbool(true)<\/p>\n
Lengths: Bytes: 3 and Hex: 6
\nstring(6) “288591”
\nbool(true)<\/p>\n
Lengths: Bytes: 4 and Hex: 8
\nstring(8) “ab86d144”
\nbool(true)<\/p>\n
Ref: php.net<\/p>\n","protected":false},"excerpt":{"rendered":"
By Sayed Ahmed: int rand ( void ) : \u098f\u0995\u099f\u09be random \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u09a6\u09bf\u09ac\u09c7 \u0964 mt_rand() \u0993 \u098f\u0995\u099f\u09be random \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u09a6\u09bf\u09ac\u09c7 \u0995\u09bf\u09a8\u09cd\u09a4\u09c1 \u09a4\u09c1\u09b2\u09a8\u09be\u09ae\u09c1\u09b2\u0995 \u09ad\u09be\u09ac\u09c7 \u09ad\u09be\u09b2\u09cb \u098f\u09b2\u0997\u09b0\u09bf\u09a6\u09ae \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09ac\u09c7\u0964 int rand ( int $min , int $max ) : \u098f\u0995\u099f\u09be random \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u09a6\u09bf\u09ac\u09c7 \u0995\u09bf\u09a8\u09cd\u09a4\u09c1 min \u098f\u09ac\u0982 max \u098f\u09b0 \u09ad\u09bf\u09a4\u09b0\u09c7 \u0964 int getrandmax(void) \u2014 \u09b8\u09b0\u09cd\u09ac\u09cb\u099a\u09cd\u099a random \u09a8\u09be\u09ae\u09cd\u09ac\u09be\u09b0 \u09a6\u09bf\u09ac\u09c7. … <\/p>\n