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I'm trying to write to an XML file in a WordPress Plugin. I'm on my local machine, a Mac running MAMP. I have PHP 5.2.13 My code is:

$file_handle = fopen('markers.xml', 'w');
$stringdata = "Test Info";
fwrite($file_handle, $stringdata);
fclose($file_handle);

I get the following error:

Warning: fopen(markers.xml) [function.fopen]: failed to open stream: Permission denied in /Users/my_name/Sites/my_site/wp-content/plugins/my_plugin_folder/my_plugin_main_file.php on line 73

Warning: fwrite(): supplied argument is not a valid stream resource in /Users/my_name/Sites/my_site/wp-content/plugins/my_plugin_folder/my_plugin_main_file.php on line 75

Warning: fclose(): supplied argument is not a valid stream resource in /Users/my_name/Sites/my_site/wp-content/plugins/my_plugin_folder/my_plugin_main_file.php on line 76

markers.xml has permissions set to 777.

Any suggestions on how to solve this problem?

Thank you.

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  • Don't set files on your server to be 777; it creates a massive security hole
    – Mike
    Mar 11, 2020 at 10:52

1 Answer 1

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Check folder permissions too.

Also See this post http://www.php.net/manual/en/function.fopen.php#105465 - suggests he had to change to absolute from relative to get around error message.

Set of debug suggestions here: http://www.wrensoft.com/forum/showthread.php?t=786

1) folder permissions 2) upper/lowercase 3) abs/relative path and finally it turned out to be an extra space somewhere,

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  • Thank you for the help. I changed the file permissions and switched it to an absolute path.
    – Laxmidi
    Oct 6, 2011 at 19:41

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