- Model 9601 Radio Instructions Guide
- Model 9601 Radio Instructions Pdf
- Model 9601 Radio Instructions Wiring
- Model 9601 Radio Instructions Diagram
(PHP 5, PHP 7, PHP 8)
stream_get_contents — Reads remainder of a stream into a string
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Description
$handle, int$maxlength = -1, int$offset = -1): string|false Identical to file_get_contents(), except that stream_get_contents() operates on an already open stream resource and returns the remaining contents in a string, up to maxlength bytes and starting at the specified offset.
Parameters
handle (resource)A stream resource (e.g. returned from fopen())
maxlength (int)The maximum bytes to read. Defaults to -1 (read all the remaining buffer).
offset (int)Seek to the specified offset before reading. If this number is negative, no seeking will occur and reading will start from the current position.
Return Values
Returns a string or false on failure.
Examples
Example #1 stream_get_contents() example
<?php
if ($stream = fopen('http://www.example.com', 'r')) {
// print all the page starting at the offset 10
echo stream_get_contents($stream, -1, 10);
fclose($stream);
}
if ($stream = fopen('http://www.example.net', 'r')) {
// print the first 5 bytes
echo stream_get_contents($stream, 5);
fclose($stream);
}
?>See Also
- fgets() - Gets line from file pointer
- fread() - Binary-safe file read
- fpassthru() - Output all remaining data on a file pointer
In that case when stream_get_contents/fread/fgets or other stream reading functions block indefinitely your script because they don't reached the limit of bytes to read use the socket_get_meta_data function to figure out the number of the bytes to read. It returns an array that contains a key named 'unread_bytes' and then pass that number to your favourite stream reading functions second parameter to read from the stream.
Maybe a good workaround to use the stream_select function, and set the socket to non-blocking mode with the use of stream_set_blocking($stream, 0). In this case the socket reading functions work properly.
Cheers, ErvinIt is important to know that stream_get_contents behaves differently with different versions of PHP. Consider the following
<?php
$handle = fopen('file', 'w+'); // truncate + attempt to create
fwrite($handle, '12345'); // file position > 0
rewind($handle); // position = 0
$content = stream_get_contents($handle); // file position = 0 in PHP 5.1.6, file position > 0 in PHP 5.2.17!
fwrite($handle, '6789');
fclose($handle);
/**
*
* 'file' content
*
* PHP 5.1.6:
* 67895
*
* PHP 5.2.17:
* 123456789
*
*/
?>
As a result, stream_get_contents() affects file position in 5.1, and do not affect file position in 5.2 or better.When omitting the parameter $maxlength, any received bytes are stacked up until the underlying stream is not readable anymore, the the function returns that stack in one piece.
¶
stream_get_contents() can be used instead of fread() even with local files.Model 9601 Radio Instructions Guide
divinity76+nospam at gmail dot com ¶Model 9601 Radio Instructions Pdf
Model 9601 Radio Instructions Wiring
/*
* problem: stream_get_contents blocks / is very slow.
* I have tried
* 1: stream_set_blocking, doesn't make a difference.
* 2: stream_get_meta_data['unread_bytes'] = ITS BUGGED, ALWAYS SAYS 0.
* 3: feof(): ALSO EFFING BLOCKING
* 4: my_stream_get_contents hack... kinda working! :D
*/
function my_stream_get_contents ($handle, $timeout_seconds = 0.5)
{
$ret = ';
// feof ALSO BLOCKS:
// while(!feof($handle)){$ret.=stream_get_contents($handle,1);}
while (true) {
$starttime = microtime(true);
$new = stream_get_contents($handle, 1);
$endtime = microtime(true);
if (is_string($new) && strlen($new) >= 1) {
$ret .= $new;
}
$time_used = $endtime - $starttime;
// var_dump('time_used:',$time_used);
if (($time_used >= $timeout_seconds) || ! is_string($new) ||
(is_string($new) && strlen($new) < 1)) {
break;
}
}
return $ret;
}Model 9601 Radio Instructions Diagram
- Stream Functions