[PHP-DEV] Bug #10989: Wrong file writing

[trax102]

From:             [EMAIL PROTECTED]
Operating system: Win2K-Win98-UNIX
PHP version:      4.0 Latest CVS (2001-05-21)
PHP Bug Type:     Filesystem function related
Bug description:  Wrong file writing

<?php
//At the end of the script "test.txt" should 
//contains "ADD1ADD2", but, as you can see,
//it will contains just "ADD2".
//Is there a work around for this problem ?

function read_file ($file_name)
{
        $file = fopen($file_name, "r");
        flock($file, 1); 
        $content = trim(fread($file, filesize($file_name)));
        flock($file, 3); 
        fclose ($file);
        return ($content);
}

function write_file ($content, $file_name)
{
        $file = fopen($file_name, "w");
        flock($file, 2);
        fwrite($file, $content);
        flock($file, 3);
        fclose ($file);
}

$filename="test.txt";
write_file("", $filename);

$content = read_file($filename);
$content .= "ADD1";
write_file($content, $filename);

$content = read_file($filename);
$content .= "ADD2";
write_file($content, $filename);
?>


-- 
Edit Bug report at: http://bugs.php.net/?id=10989&edit=1



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