LIX. Miscellaneous functions


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


No external libraries are needed to build this extension.


There is no installation needed to use these functions; they are part of the PHP core.

Runtime Configuration

This extension has no configuration directives defined in php.ini.

Resource Types

This extension has no resource types defined.

Predefined Constants

This extension has no constants defined.

Table of Contents
connection_aborted -- Returns TRUE if client disconnected
connection_status -- Returns connection status bitfield
connection_timeout -- Return TRUE if script timed out
constant -- Returns the value of a constant
define -- Defines a named constant.
defined --  Checks whether a given named constant exists
die -- Alias of 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
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
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