PHP system functions

PHP system functions

PHP system functions Assert function: Check whether the assertion declaration is correct. Extension_loaded function: checks whether PHP extensions are loaded. Get_cfg_var function: obtains the value of the PHP configuration option. Get_current_user function: obtains the name of the owner of the current PHP script. Get_defined_constants function: returns an array containing the predefined PHP constants. Get_extension_funcs function: returns an array containing all function names in the specified module. Get_include_path function: returns information about the path contained in the current configuration file. Get_included_files function: returns an array of file information. Get_loaded_extensions function: returns an array containing information about all load modules. Get_magic_quotes_gpc function: obtains the status information of magic_quotes_gpc. Get_magic_quotes_runtime function: obtains the status information of magic_quotes _ runtime. Get_required_files function: returns an array of file information. Getenv function: Get the PHP environment variable value PHP system functions Getlastmod function: get the last modification time of the current PHP page File Getmygid function: obtains the GID number of the current PHP script page owner. Getmyinode function: Gets the INODE number of the current PHP script page. Getmypid function: Get the PHP PID Getmyuid function: obtains the UID number of the PHP script page owner. Getopt function: Get settings from the command line parameter list Getrusage function: get the current resource syntax Ini_get_all function: gets all configuration options Ini_get function: Gets the value of configuration options. Memory_get_usage function: returns the memory space occupied by the PHP script. Php_ini_scanned_files function: returns the configuration file list under the configuration file directory. Php_logo_guid function: obtains the GUID of the LOGO image. Php_sapi_name function: Gets the interface type between PHP and Web server Php_uname function: obtains the operating system information of PHP scripts. Phpcredits function: print the credits list Phpinfo function: outputs PHP information. Phpversion function: get PHP version Zend_logo_guid function: obtains the GUID of the zend logo image. Zend_version function: Gets the ZEND Engine version. PHP configuration functions Assert_options function: sets or obtains different declaration tags. Ini_alter function: set the value of the PHP configuration option. Ini_restore function: restores the value of the configuration option. Ini_set function: set the value of the PHP configuration option. Putenv function: set environment variables Restore_include_path function: restores the file containing path configuration information. Set_include_path function: sets the file inclusion path configuration options. Set_magic_quotes_runtime function: sets the magic_quotes runtime. Set_time_limit function: sets the maximum execution time. Other functions Dl function: load the PHP Extension Module Main function: it is only a main () function with a name. Version_compare function: compare two PHP version values