Usted buscó: terminates (Coreano - Inglés)

this language construct terminates parsing of the script. it does not return.
exit statuses should be in the range 1 to 254, the exit status 255 is reserved by php and shall not be used.

this language construct outputs a message and terminates parsing of the script. it does not return anything.
prev

several servers, especially on win32, will still buffer the output from your script until it terminates before transmitting the results to the browser.
even the browser may buffer its input before displaying it.

a second use of backslash provides a way of encoding non- printing characters in patterns in a visible manner. there is no restriction on the appearance of non-printing characters, apart from the binary zero that terminates a pattern, but when a pattern is being prepared by text editing, it is usually easier to use one of the following escape sequences than the binary character it represents:
as a convenient shorthand, if any option settings are required at the start of a non-capturing subpattern, theas a convenient shorthand, if any option settings are required at the start of a non-capturing subpattern, the option letters may appear between the "?" and the ":".