note 113038 added to function.fopen
| From: | contact at sergeylukin dot com | Date: | Wed, 21 Aug 2013 11:54:01 +0000 |
| Subject: | note 113038 added to function.fopen | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-196039@lists.php.net to get a copy of this message | ||
Here is how you could modify file's contents by only opening it once in "r+" mode:
<?php
$filePath = '/path/to/file';
if( !@$fh = fopen($filePath, 'r+') ) {
die("Could not open $filePath in READ+WRITE mode");
}
// Extract contents
$contents = fread($fh, filesize($filePath));
// ..modify $contents in any way you need..
// Truncate file (important to move the pointer first)
fseek($fh, 0);
ftruncate($fh, 0);
// Write
fwrite($fh, $contents);
fclose($fh);
?>
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Server IP: 69.147.83.199
Probable Submitter: 81.218.50.34
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Manual Page -- http://php.net/manual/en/function.fopen.php
Edit -- https://master.php.net/note/edit/113038
Del: integrated -- https://master.php.net/note/delete/113038/integrated
Del: useless -- https://master.php.net/note/delete/113038/useless
Del: bad code -- https://master.php.net/note/delete/113038/bad+code
Del: spam -- https://master.php.net/note/delete/113038/spam
Del: non-english -- https://master.php.net/note/delete/113038/non-english
Del: in docs -- https://master.php.net/note/delete/113038/in+docs
Del: other reasons-- https://master.php.net/note/delete/113038
Reject -- https://master.php.net/note/reject/113038
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