php man page for sqlite_udf_encode_binary

SQLITE_UDF_ENCODE_BINARY(3)											       SQLITE_UDF_ENCODE_BINARY(3)

sqlite_udf_encode_binary - Encode binary data before returning it from an UDF

SYNOPSIS
       string sqlite_udf_encode_binary (string	$data)

DESCRIPTION
       sqlite_udf_encode_binary(3)  applies  a	binary	encoding to the $data so that it can be safely returned from queries (since the underlying
       libsqlite API is not binary safe).

	If there is a chance that your data might be binary unsafe (e.g.: it contains a NUL byte in the middle rather than at the end,	or  if	it
       has and 0x01 byte as the first character) then you must call this function to encode the return value from your UDF.

	PHP does not perform this encode/decode operation automatically as it would severely impact performance if it did.

       Note

	       Do  not	use  sqlite_escape_string(3)  to  quote  strings  returned  from  UDF's as it will lead to double-quoting of the data. Use
	      sqlite_udf_encode_binary(3) instead!

PARAMETERS
	      o $data
		- The string being encoded.

RETURN VALUES
	The encoded string.

SEE ALSO
       sqlite_udf_decode_binary(3), sqlite_escape_string(3), sqlite_create_function(3), sqlite_create_aggregate(3).

PHP Documentation Group 											       SQLITE_UDF_ENCODE_BINARY(3)