- 代码：
<?php
for ($i = 1; $i <= 5; $i++) {
$pid = pcntl_fork();
if (!$pid) {
print "In child $i\n";
exit($i);
}
}
while (pcntl_waitpid(0, $status) != -1) {
$status = pcntl_wexitstatus($status);
echo "Child $status completed\n";
}
- 输出：
In child 4
Child 4 completed
In child 1
Child 1 completed
In child 2
Child 2 completed
In child 3
Child 3 completed
In child 5
Child 5 completed
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