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<?php
namespace SMW\Utils;
use RuntimeException;
/**
* @license GNU GPL v2+
* @since 3.0
*
* @author mwjames
*/
class TempFile extends File {
/**
* @since 3.0
*
* @return string
* @throws RuntimeException
*/
public function generate() {
$args = func_get_args();
$key = array_shift( $args );
if ( $args === [] ) {
$key = '';
}
return $this->get(
$key . substr( base_convert( md5( json_encode( $args ) ), 16, 32 ), 0, 12 )
);
}
/**
* @since 3.0
*
* @param string $file
*
* @return string
* @throws RuntimeException
*/
public function get( $file ) {
$tmpDir = [];
$path = '';
if ( isset( $GLOBALS['wgTmpDirectory'] ) ) {
$tmpDir[] = $GLOBALS['wgTmpDirectory'];
}
$tmpDir[] = sys_get_temp_dir();
$tmpDir[] = ini_get( 'upload_tmp_dir' );
foreach ( $tmpDir as $tmp ) {
if ( $tmp != '' && is_dir( $tmp ) && is_writable( $tmp ) ) {
$path = $tmp;
break;
}
}
if ( $path !== '' ) {
return str_replace( [ '\\', '/' ], DIRECTORY_SEPARATOR, $path . '/' . $file );
}
throw new RuntimeException( 'No writable temporary directory could be found.' );
}
}
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