Programming PHP

crypt
string crypt(string string[, string salt])
Encrypts string using the DES encryption algorithm seeded with the two-character salt
value salt. Ifsalt is not supplied, a random salt value is generated the first time crypt( ) is
called in a script; this value is used on subsequent calls to crypt( ). Returns the encrypted
string.
current
mixed current(array array)
Returns the value of the element to which the internal pointer is set. The first time current( )
is called, or when current( ) is called after reset, the pointer is set to the first element in the
array.
date
string date(string format[, int timestamp])
Formats a time and date according to the format string provided in the first parameter. If
the second parameter is not specified, the current time and date is used. The following
characters are recognized in the format string:
a “am” or “pm”
A “AM” or “PM”
B Swatch Internet time
d Day of the month as two digits, including a leading zero if necessary; e.g.,
“01” through “31”
D Name of the day of the week as a three-letter abbreviation; e.g., “Mon”
F Name of the month; e.g., “August”
g Hour in 12-hour format; e.g., “1” through “12”
G Hour in 24-hour format; e.g., “0” through “23”
h Hour in 12-hour format, including a leading zero if necessary; e.g., “01”
through “12”
H Hour in 24-hour format, including a leading zero if necessary; e.g., “00”
through “23”
I Minutes, including a leading zero if necessary; e.g., “00” through “59”
I “1” if Daylight Savings Time; “0” otherwise
j Day of the month; e.g., “1” through “31”
l Name of the day of the week; e.g., “Monday”
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