(PHP 4, PHP 5, PHP 7)
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status 锟斤拷
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Example #1 exit() 锟斤拷锟斤拷
<?php
$filename = '/path/to/data-file';
$file = fopen($filename, 'r')
or exit("unable to open file ($filename)");
?>
Example #2 exit() 状态锟斤拷锟斤拷锟斤拷
<?php
//exit program normally
exit;
exit();
exit(0);
//exit with an error code
exit(1);
exit(0376); //octal
?>
Example #3 锟斤拷锟斤拷锟斤拷危锟絊hutdown锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟结被执锟斤拷
<?php
class Foo
{
public function __destruct()
{
echo 'Destruct: ' . __METHOD__ . '()' . PHP_EOL;
}
}
function shutdown()
{
echo 'Shutdown: ' . __FUNCTION__ . '()' . PHP_EOL;
}
$foo = new Foo();
register_shutdown_function('shutdown');
exit();
echo 'This will not be output.';
?>
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Shutdown: shutdown() Destruct: Foo::__destruct()