int fwrite ( resource handle, string string [, int length] )
fwrite() writes the contents of
string to the file stream pointed to by
handle. If the length
argument is given, writing will stop after
length bytes have been written or the end
of string is reached, whichever comes
first.
fwrite() returns the number of bytes
written, or FALSE on error.
Note that if the length argument is given,
then the magic_quotes_runtime
configuration option will be ignored and no slashes will be
stripped from string.
Note:
On systems which differentiate between binary and text files
(i.e. Windows) the file must be opened with 'b' included in
fopen() mode parameter.
Example 1. A simple fwrite example
<?php $filename = 'test.txt'; $somecontent = "Add this to the file\n";
// Let's make sure the file exists and is writable first. if (is_writable($filename)) {
// In our example we're opening $filename in append mode. // The file pointer is at the bottom of the file hence // that's where $somecontent will go when we fwrite() it. if (!$handle = fopen($filename, 'a')) { echo "Cannot open file ($filename)"; exit; }
// Write $somecontent to our opened file. if (fwrite($handle, $somecontent) === FALSE) { echo "Cannot write to file ($filename)"; exit; }
echo "Success, wrote ($somecontent) to file ($filename)";
fclose($handle);
} else { echo "The file $filename is not writable"; } ?>
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Php fwrite syntax tutorial
php tutorial guide and code design are for easy learning and programming. The code practice section provided at the top is for practising of this syntax. Use the code section up to practice your php programming online. Learning php is very easy, all you need is to use the examples on this site and practice them to perfect your skills.