XXIII. Direct IO functions
PHP supports the direct io functions as described in the Posix Standard (Section 6) for
performing I/O functions at a lower level than the C-Language stream I/O functions (fopen,
fread,..).
To get these functions to work, you have to configure PHP with --enable-dio.
- Table of Contents
- dio_open -- Opens a new filename with specified
permissions of flags and creation permissions of mode
- dio_read -- Reads n bytes from fd and returns
them, if n is not specified, reads 1k block
- dio_write -- Writes data to fd with optional
truncation at length
- dio_truncate -- Truncates file descriptor
fd to offset bytes
- dio_stat -- Gets stat information about the
file descriptor fd
- dio_seek -- Seeks to pos on fd from whence
- dio_fcntl -- Performs a c library fcntl on
fd
- dio_close -- Closes the file descriptor given
by fd
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