diff options
Diffstat (limited to 'system/libraries/Upload.php')
| -rw-r--r-- | system/libraries/Upload.php | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/system/libraries/Upload.php b/system/libraries/Upload.php index 013644963..b3e9f7515 100644 --- a/system/libraries/Upload.php +++ b/system/libraries/Upload.php @@ -1208,7 +1208,7 @@ class CI_Upload { ? 'file --brief --mime '.escapeshellarg($file['tmp_name']).' 2>&1' : 'file --brief --mime '.$file['tmp_name'].' 2>&1'; - if (function_exists('exec')) + if (function_usable('exec')) { /* This might look confusing, as $mime is being populated with all of the output when set in the second parameter. * However, we only neeed the last line, which is the actual return value of exec(), and as such - it overwrites @@ -1223,7 +1223,7 @@ class CI_Upload { } } - if ( (bool) @ini_get('safe_mode') === FALSE && function_exists('shell_exec')) + if ( (bool) @ini_get('safe_mode') === FALSE && function_usable('shell_exec')) { $mime = @shell_exec($cmd); if (strlen($mime) > 0) @@ -1237,7 +1237,7 @@ class CI_Upload { } } - if (function_exists('popen')) + if (function_usable('popen')) { $proc = @popen($cmd, 'r'); if (is_resource($proc)) |