Workaround for Windows bug in is_writable() function
Description
PHP has issues with Windows ACL’s for determine if a directory is writable or not, this works around them by checking the ability to open files rather than relying upon PHP to interpret the OS ACL.
See also
Parameters
$pathstringrequired- Windows path to check for write-ability.
Source
function win_is_writable( $path ) {
if ( '/' === $path[ strlen( $path ) - 1 ] ) {
// If it looks like a directory, check a random file within the directory.
return win_is_writable( $path . uniqid( mt_rand() ) . '.tmp' );
} elseif ( is_dir( $path ) ) {
// If it's a directory (and not a file), check a random file within the directory.
return win_is_writable( $path . '/' . uniqid( mt_rand() ) . '.tmp' );
}
// Check tmp file for read/write capabilities.
$should_delete_tmp_file = ! file_exists( $path );
$f = @fopen( $path, 'a' );
if ( false === $f ) {
return false;
}
fclose( $f );
if ( $should_delete_tmp_file ) {
unlink( $path );
}
return true;
}
Changelog
| Version | Description |
|---|---|
| 2.8.0 | Introduced. |
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