mcrypt

function encrypt($text){
return trim(base64_encode(mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $PICSALT, $text, MCRYPT_MODE_ECB, mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB) , MCRYPT_RAND))));
}
function decrypt($text){
return trim(mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $PICSALT, base64_decode($text) , MCRYPT_MODE_ECB, mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB) , MCRYPT_RAND)));
}