Predefined Constants
assert_options
PHP Options/Info
PHP Manual

# PHP Options/Info Functions

## Table of Contents

- assert_options — Set/get the various assert flags
- assert — Checks if assertion is FALSE
- dl — Loads a PHP extension at runtime
- extension_loaded — Find out whether an extension is loaded
- get_cfg_var — Gets the value of a PHP configuration option
- get_current_user — Gets the name of the owner of the current PHP script
- get_defined_constants — Returns an associative array with the names of all the constants and their values
- get_extension_funcs — Returns an array with the names of the functions of a module
- get_include_path — Gets the current include_path configuration option
- get_included_files — Returns an array with the names of included or required files
- get_loaded_extensions — Returns an array with the names of all modules compiled and loaded
- get_magic_quotes_gpc — Gets the current configuration setting of magic quotes gpc
- get_magic_quotes_runtime — Gets the current active configuration setting of magic_quotes_runtime
- get_required_files — Alias of get_included_files
- getenv — Gets the value of an environment variable
- getlastmod — Gets time of last page modification
- getmygid — Get PHP script owner's GID
- getmyinode — Gets the inode of the current script
- getmypid — Gets PHP's process ID
- getmyuid — Gets PHP script owner's UID
- getopt — Gets options from the command line argument list
- getrusage — Gets the current resource usages
- ini_alter — Alias of ini_set
- ini_get_all — Gets all configuration options
- ini_get — Gets the value of a configuration option
- ini_restore — Restores the value of a configuration option
- ini_set — Sets the value of a configuration option
- main — Dummy for main
- memory_get_peak_usage — Returns the peak of memory allocated by PHP
- memory_get_usage — Returns the amount of memory allocated to PHP
- php_ini_loaded_file — Retrieve a path to the loaded php.ini file
- php_ini_scanned_files — Return a list of .ini files parsed from the additional ini dir
- php_logo_guid — Gets the logo guid
- php_sapi_name — Returns the type of interface between web server and PHP
- php_uname — Returns information about the operating system PHP is running on
- phpcredits — Prints out the credits for PHP
- phpinfo — Outputs lots of PHP information
- phpversion — Gets the current PHP version
- putenv — Sets the value of an environment variable
- restore_include_path — Restores the value of the include_path configuration option
- set_include_path — Sets the include_path configuration option
- set_magic_quotes_runtime — Sets the current active configuration setting of magic_quotes_runtime
- set_time_limit — Limits the maximum execution time
- sys_get_temp_dir — Returns directory path used for temporary files
- version_compare — Compares two "PHP-standardized" version number strings
- zend_logo_guid — Gets the Zend guid
- zend_thread_id — Returns a unique identifier for the current thread
- zend_version — Gets the version of the current Zend engine

Predefined Constants
assert_options
PHP Options/Info
PHP Manual