set_file_buffer

bool set_file_buffer(resource file_handle, int buffer)

Sets the file buffer size.

Returns:

TRUE on success; FALSE on error

Description:

With this function, you can change the file buffer size for the specified file handle. Specifying a buffer size of 0 changes the operation mode to “unbuffered”; all other values change the operation mode to “fully buffered,” using the given number of bytes.

Example:

Change file buffer to 4KB
$fh = fopen("text.txt", "r+"); 
$buffer_size = 4096; 

if(!set_file_buffer($fh, $buffer_size)) 
{
    echo ("Couldn't change file buffer size"); 
} 
else 
{
    echo ("New file buffer size is $buffer_size bytes"); 
}

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