Thinkphp checks whether the next object already exists

Thinkphp checks whether a file has been uploaded ** + -------------------- * check whether an uploaded file with the same name exists in the directory of the uploaded file + ------------------ * @ static * @ accesspublic + ----------- thinkphp already exists

/** + ---------------------- * Check whether a file with the same name already exists in the directory of the uploaded file + -------------------- * @ static * @ access public + -------------------- * @ param string $ path * @ param string $ file name (including the extension) + ---------------------- * @ return yes indicates that the file exists, and no indicates that the file does not exist + ------------------ */public function searchFile ($ path, $ file) {$ file_array = array (); // store the array of file names $ folder_array = array (); // store the array of directory names $ all_array = array (); // Save Put 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 ($ this-> folder_array, $ path. "/". $ _ file) ;}$ this-> searchFile ($ path. "/". $ _ file, $ file); // retrieves a file} elseif (is_file ($ path. "/". $ _ file) & $ _ file! = "." & $ _ File! = "..." & $ _ File! = "Thumbs. db ") {// $ _ file = auto_charset ($ _ file, 'utf-8', 'gbk'); if (eregi ('/'. $ file ,'/'. $ _ file) {array_push ($ this-> 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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