Encrypt data using PHP

Encryption	Decryption
AES_ENCRYPT()	AES_DECRYPT()
ENCODE()	DECODE()
DES_ENCRYPT()	DES_DECRYPT()
ENCRYPT()	N/A
ENCRYPT()	N/A
MD5()	N/A
OLD_PASSWORD()	N/A
PASSWORD()	N/A
SHA()	N/A
SHA1()	N/A
N/A	UNCOMPRESSED_LENGTH()