Php: Check whether the download file already exists or has the same name

Php checks whether an uploaded file exists or has the same name. check whether there is an uploaded file functionsearchFile ($ path, $ file) {$ file_arrayarray () in the directory of the uploaded file (); store the file name array $ folder_arrayarray (); store the directory name array $ all_arrayarray (); store all paths. php: Check whether the uploaded file already exists or has the same name.

// Check whether a file with the same name already exists in the directory of the uploaded file

Function searchFile ($ path, $ file) {$ file_array = array (); // stores an array of file names $ folder_array = array (); // store the directory name array $ all_array = array (); // store the array of all paths if (is_dir ($ path )) {// check whether the file directory exists $ H = @ opendir ($ path); while (false! ==( $ _ File = readdir ($ H) {// Retrieve the directory if (is_dir ($ path. "/". $ _ file) & $ _ file! = "." & $ _ File! = "..." & $ _ File! = "Thumbs. db ") {if (eregi ('/'. $ file ,'/'. $ _ file) {array_push ($ folder_array, $ path. "/". $ _ file);} searchFile ($ path. "/". $ _ file, $ file); // retrieves a file} elseif (is_file ($ path. "/". $ _ file) & $ _ file! = "." & $ _ File! = "..." & $ _ File! = "Thumbs. db") {echo $ _ file; echo'
'; // $ _ File = auto_charset ($ _ file, 'utf-8', 'gbk'); if (eregi ('/'. $ file ,'/'. $ _ file) {array_push ($ file_array, $ path. "/". $ _ file); return 'yes'; // file existence }}// $ this-> all_array ["folder"] = $ this-> folder_array; // $ this-> all_array ["file"] = $ this-> file_array; closedir ($ H); return 'no '; // does not exist} elseif (is_file ($ path) {if (eregi ($ file, $ path )) {// $ this-> all_array ["file"] = $ path; return 'yes'; // file existence} else {return 'no '; // file does not exist} else {return 'no'; // file does not exist }}

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