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mcrypt_generic_initThis function initializes all buffers needed for encryption Warning
This function has been DEPRECATED as of PHP 7.1.0. Relying on this function is highly discouraged. Description
int mcrypt_generic_init
( resource
$td
, string $key
, string $iv
)You need to call this function before every call to mcrypt_generic or mdecrypt_generic. Parameters
Return Values
The function returns a negative value on error: -3 when the key length
was incorrect, -4 when there was a memory allocation problem and any
other return value is an unknown error. If an error occurs a warning will
be displayed accordingly. See Also
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