PHP jFile::exists Examples

Programming Language: PHP

Class/Type: jFile

Method/Function: exists

Examples at hotexamples.com: 1

JFile exists is a function in the Joomla Framework that checks if a file exists in the file system. It takes a file path as its parameter and returns a boolean value indicating whether the file exists or not.

Example 1: Check if a file exists in the root directory of the Joomla website.

$path = JPATH_ROOT . '/myfile.txt';
if (JFile::exists($path)) {
    echo 'File exists';
} else {
    echo 'File does not exist';
}

Example 2: Check if a file exists in a specific subdirectory of the Joomla website.

$path = JPATH_ROOT . '/images/myimage.png';
if (JFile::exists($path)) {
    echo 'Image exists';
} else {
    echo 'Image does not exist';
}

This function is part of the Joomla Platform package library.

PHP jFile::exists - 1 examples found. These are the top rated real world PHP examples of jFile::exists extracted from open source projects. You can rate examples to help us improve the quality of examples.

Frequently Used Methods

Show Hide

write(23)

parseJelixPath(21)

createDir(20)

removeDir(18)

read(6)

getMimeType(4)

getMimeTypeFromFilename(2)

delete(1)

exists(1)

getExt(1)

move(1)

shortestPath(1)

unparseJelixPath(1)

Example #1

Show file

File: jdownloadshelper.php Project: madcsaba/li-de

 public static function deletePreviewFile($id)
 {
     global $jlistConfig;
     jimport('joomla.filesystem.folder');
     jimport('joomla.filesystem.file');
     $app = JFactory::getApplication();
     $db = JFactory::getDBO();
     // get path
     $db->SetQuery("SELECT * FROM #__jdownloads_files WHERE file_id = {$id}");
     $file = $db->loadObject();
     if ($file->preview_filename) {
         $filename = $jlistConfig['files.uploaddir'] . DS . $jlistConfig['preview.files.folder.name'] . DS . $file->preview_filename;
         // check whether other downloads use also this preview file
         $db->SetQuery("SELECT count(*) FROM #__jdownloads_files WHERE preview_filename = '{$file->preview_filename}'");
         $result = $db->loadResult();
         if (!jFile::exists($filename) || $result > 1) {
             // file not exist - but we must always clear the data field
             // the same when other downloads used also this file
             $db->SetQuery("UPDATE #__jdownloads_files SET preview_filename = '' WHERE file_id = '{$id}'");
             $db->execute();
             return false;
         } else {
             if (jFile::delete($filename)) {
                 $db->SetQuery("UPDATE #__jdownloads_files SET preview_filename = '' WHERE file_id = '{$id}'");
                 $db->execute();
                 return true;
             } else {
                 // delete error
                 return false;
             }
         }
     } else {
         // preview_filename field empty
         return false;
     }
 }