XLI. Miscellaneous functions

These functions were placed here because none of the other categories seemed to fit.

Table of Contents
connection_aborted — Returns true if client disconnected
connection_status — Returns connection status bitfield
connection_timeout — Return true if script timed out
define — Defines a named constant.
defined — Checks whether a given named constant exists
die — Output a message and terminate the current script
eval — Evaluate a string as PHP code
exit — Terminate current script
get_browser — Tells what the user's browser is capable of
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
iptcparse — Parse a binary IPTC http://www.iptc.org/ block into single tags.
leak — Leak memory
pack — Pack data into binary string.
show_source — Syntax highlighting of a file
sleep — Delay execution
uniqid — Generate a unique id
unpack — Unpack data from binary string
usleep — Delay execution in microseconds