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# pg_lo_read

(PHP 4 >= 4.2.0, PHP 5)

pg_lo_read -- Read a large object

## Description

string pg_lo_read ( resource large_object [, int len] )

pg_lo_read() reads at most len (defaults to 8192) bytes from a large object and returns it as a string. large_object specifies a valid large object resource andlen specifies the maximum allowable size of the large object segment. It returns `FALSE` if there is an error.

To use the large object (lo) interface, it is necessary to enclose it within a transaction block.

> 注: This function used to be called pg_loread().

See also pg_lo_read_all().

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