wp-includes/ID3/getid3.lib.php:1774$pathstringfloat|bool public static function getFileSizeSyscall($path) { $commandline = null; $filesize = false; if (GETID3_OS_ISWINDOWS) { if (class_exists('COM')) { // From PHP 5.3.15 and 5.4.5, COM and DOTNET is no longer built into the php core.you have to add COM support in php.ini: $filesystem = new COM('Scripting.FileSystemObject'); $file = $filesystem->GetFile($path); $filesize = $file->Size(); unset($filesystem, $file); } else { $commandline = 'for %I in ('.escapeshellarg($path).') do @echo %~zI'; } } else { $commandline = 'ls -l '.escapeshellarg($path).' | awk \'{print $5}\''; } if (isset($commandline)) { $output = trim(`$commandline`); if (ctype_digit($output)) { $filesize = (float) $output; } } return $filesize; }Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/ID3/getid3.lib.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.