Description
void
exit ( [string status] )
void
exit ( int status )
Note:
This is not a real function, but a language construct.
Note:
PHP >= 4.2.0 does NOT print the status
if it is an integer.
The exit() function terminates execution of
the script. It prints status just before exiting.
If status is an integer, that value
will also be used as the exit status. Exit statuses should be in the
range 0 to 254, the exit status 255 is reserved by PHP and shall not be
used. The status 0 is used to terminate the program successfully.
Example 1. exit() example
<?php
$filename = '/path/to/data-file';
$file = fopen($filename, 'r')
or exit("unable to open file ($filename)");
?>
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Example 2. exit() status example
<?php
//exit program normally
exit;
exit();
exit(0);
//exit with an error code
exit(1);
exit(0376); //octal
?>
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Note:
This language construct is equivalent to die().
See also: register_shutdown_function().
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