# Miscellaneous Functions

- Introduction
- Installing/Configuring
  - Requirements
  - Installation
  - Runtime Configuration
  - Resource Types
- Predefined Constants
- Misc. Functions
  - connection_aborted — Check whether client disconnected
  - connection_status — Returns connection status bitfield
  - constant — Returns the value of a constant
  - define — Defines a named constant
  - defined — Checks whether a given named constant exists
  - die — Equivalent to exit
  - eval — Evaluate a string as PHP code
  - exit — Output a message and terminate the current script
  - get_browser — Tells what the user's browser is capable of
  - __halt_compiler — Halts the compiler execution
  - highlight_file — Syntax highlighting of a file
  - highlight_string — Syntax highlighting of a string
  - hrtime — Get the system's high resolution time
  - ignore_user_abort — Set whether a client disconnect should abort script execution
  - pack — Pack data into binary string
  - php_strip_whitespace — Return source with stripped comments and whitespace
  - sapi_windows_cp_conv — Convert string from one codepage to another
  - sapi_windows_cp_get — Get process codepage
  - sapi_windows_cp_is_utf8 — Indicates whether the codepage is UTF-8 compatible
  - sapi_windows_cp_set — Set process codepage
  - sapi_windows_generate_ctrl_event — Send a CTRL event to another process
  - sapi_windows_set_ctrl_handler — Set or remove a CTRL event handler
  - sapi_windows_vt100_support — Get or set VT100 support for the specified stream associated to an output buffer of a Windows console.
  - show_source — Alias of highlight_file
  - sleep — Delay execution
  - sys_getloadavg — Gets system load average
  - time_nanosleep — Delay for a number of seconds and nanoseconds
  - time_sleep_until — Make the script sleep until the specified time
  - uniqid — Generate a unique ID
  - unpack — Unpack data from binary string
  - usleep — Delay execution in microseconds
- Changelog