Read the source code of the CI framework-Lang. php

CI framework source code reading --------- Lang. php & lt ;? Phpif (! Defined (BASEPATH) exit (Nodirectscriptaccessallowed); *** CodeIgniter *** Anopensourceapplicationdevelopmentframeworkfor CI framework source code reading --------- Lang. php

 In is_loaded and $ this-> language, go to * @ param booladd suffix to $ langfile to check whether the suffix * @ param stringalternative path to look for language file. the custom path of the language pack * @ returnmixed */function load ($ langfile = '', $ idiom = '', $ return = FALSE, $ add_suffix = TRUE, $ alt_path ='') {// langfile. remove the php suffix $ langfile = str_replace ('. php ', '', $ langfile); // You do not need to add a suffix if you need it. // Set _ lang. remove and add _ langif ($ add_suffix = TRUE) after langfile) {$ Langfile = str_replace ('_ lang. ', '', $ langfile ). '_ lang';} // add a name for langfile. php suffix $ langfile. = '. php '; // Determine whether the current file has been loaded if (in_array ($ langfile, $ this-> is_loaded, TRUE) {return ;} // Get the data in the configuration file $ config = & get_config (); // if the language to be used is null // we will obtain if ($ idiom = '') {$ deft_lang = (! Isset ($ config ['language'])? 'INC': $ config ['language']; $ idiom = ($ deft_lang = '')? 'INC': $ deft_lang;} // Determine where the language file is and load it // find the language pack in the custom path and load if ($ alt_path! = ''& File_exists ($ alt_path. 'language /'. $ idiom. '/'. $ langfile) {include ($ alt_path. 'language /'. $ idiom. '/'. $ langfile);} else {// call get_instance ()-> load-> get_package_paths (TRUE) if the custom path is not found) // search for/get_package_paths in the package path. in php, $ found = FALSE; foreach (get_instance ()-> load-> get_package_paths (TRUE) as $ package_path) {if (file_exists ($ package_path. 'language /'. $ idiom. '/'. $ langfile) {include ($ package_p Ath. 'language /'. $ idiom. '/'. $ langfile); $ found = TRUE; break;} // if not found, only an error is returned. // if ($ found! = TRUE) {show_error ('unable to load the requested language file: language/'. $ idiom.'/'. $ langfile) ;}} if (! Isset ($ lang) {log_message ('error', 'Language file contains no data: Language /'. $ idiom. '/'. $ langfile); return;} if ($ return = TRUE) {return $ lang;} $ this-> is_loaded [] = $ langfile; $ this-> language = array_merge ($ this-> language, $ lang); unset ($ lang); log_message ('debug', 'Language file loaded: Language /'. $ idiom. '/'. $ langfile); return TRUE;} // --------------------------------/*** Fetch a single line of text From the language array * get a line of text * @ accesspublic * @ paramstring $ linethe language line * @ returnstring */function line ($ line = '') {/** $ this-> language format * $ lang ['error _ email_missing '] = "You must submit an email address "; * $ lang ['error _ url_missing '] = "You must submit a URL"; * $ lang ['error _ username_missing'] = "You must submit a username "; */$ value = ($ line = ''OR! Isset ($ this-> language [$ line])? FALSE: $ this-> language [$ line]; // Because killer robots like unicorns! If ($ value = FALSE) {log_message ('error', 'could not find the language line "'. $ line. '"') ;}return $ value ;}// END Language Class/* End of file Lang. php * // * Location :. /system/core/Lang. php */