Predefined Constants
connection_aborted
Misc.
PHP Manual

# Misc. Functions

## Table of Contents

- connection_aborted — Check whether client disconnected
- connection_status — Returns connection status bitfield
- connection_timeout — Check if the script timed out
- 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
- ignore_user_abort — Set whether a client disconnect should abort script execution
- pack — Pack data into binary string
- php_check_syntax — Check the PHP syntax of (and execute) the specified file
- php_strip_whitespace — Return source with stripped comments and whitespace
- 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

Predefined Constants
connection_aborted
Misc.
PHP Manual