json_encode
Introduction
Other Basic Extensions
PHP Manual

# Miscellaneous Functions

- Introduction
- Installing/Configuring
  - Installation
  - Runtime Configuration
  - Resource Types
- Predefined Constants
- Misc. Functions
  - 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

json_encode
Introduction
Other Basic Extensions
PHP Manual