XXIX. Miscellaneous Functions

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

Table of Contents
connection_aborted — Return true if client disconnected
connection_status — Returns connection status bitfield
connection_timeout — Return true if script timed out
eval — Evaluate a string as PHP code
extract — Import variables into the symbol table from an array
die — Output a message and terminate the current script
exit — Terminate current script
function_exists — Return true if the given function has been defined
ignore_user_abort — Set whether a client disconnect should abort script execution
iptcparse — Parse a binary IPTC http://www.xe.net/iptc/ block into single tags.
leak — Leak memory
pack — pack data into binary string
register_shutdown_function — Register a function for execution on shutdown.
serialize — generates a storable representation of a value
sleep — Delay execution
unpack — unpack data from binary string
unserialize — creates a PHP value from a stored representation
uniqid — generate a unique id
usleep — Delay execution in microseconds