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XXXVIII. Miscellaneous functions

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

Table of Contents
create_function — Create an anonymous (lambda-style) function
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
func_get_arg — Return an item from the argument list
func_get_args — Returns an array comprising a function's argument list
func_num_args — Returns the number of arguments passed to the function
function_exists — Return true if the given function has been defined
get_browser — Tells what the user's browser is capable of
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
uniqid — Generate a unique id
unpack — Unpack data from binary string
unserialize — Creates a PHP value from a stored representation
usleep — Delay execution in microseconds
highlight_string — Syntax highlighting of a string
highlight_file — Syntax highlighting of a file
show_source — Syntax highlighting of a file
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