PHP多进程并行执行php脚本
<?php
//fork.php
$cmds = [
'/data/wwwroot/default/test1.php',
'/data/wwwroot/default/test2.php',
'/data/wwwroot/default/test3.php'
];
foreach($cmds as $cmd) {
$pid = pcntl_fork();
if ($pid == -1) {
//进程创建失败
echo '创建子进程失败时返回-1';
exit(-1);
}
else if($pid) {
//父进程会得到子进程号，所以这里是父进程执行的逻辑
pcntl_wait($status,WNOHANG);
}
else{
//子进程处理逻辑
echo getmypid() , " \r\n";
sleep(20);// 保持20秒，确保能被ps查到
pcntl_exec('/usr/local/php/bin/php',$cmd);
exit(0);
}
}# php fork.php //使用php cls模式执行运行fork.php# ps aux | grep fork.php
root 61097 0.0 0.7 367880 7776 pts/1 S 14:22 0:00 php fork.php
root 61098 0.0 0.7 367880 7776 pts/1 S 14:22 0:00 php fork.php
root 61099 0.0 0.7 367880 7776 pts/1 S 14:22 0:00 php fork.php
root 61311 0.0 0.0 103268 872 pts/2 R+ 14:22 0:00 grep --color fork.php
//fork.php
$cmds = [
'/data/wwwroot/default/test1.php',
'/data/wwwroot/default/test2.php',
'/data/wwwroot/default/test3.php'
];
foreach($cmds as $cmd) {
$pid = pcntl_fork();
if ($pid == -1) {
//进程创建失败
echo '创建子进程失败时返回-1';
exit(-1);
}
else if($pid) {
//父进程会得到子进程号，所以这里是父进程执行的逻辑
pcntl_wait($status,WNOHANG);
}
else{
//子进程处理逻辑
echo getmypid() , " \r\n";
sleep(20);// 保持20秒，确保能被ps查到
pcntl_exec('/usr/local/php/bin/php',$cmd);
exit(0);
}
}# php fork.php //使用php cls模式执行运行fork.php# ps aux | grep fork.php
root 61097 0.0 0.7 367880 7776 pts/1 S 14:22 0:00 php fork.php
root 61098 0.0 0.7 367880 7776 pts/1 S 14:22 0:00 php fork.php
root 61099 0.0 0.7 367880 7776 pts/1 S 14:22 0:00 php fork.php
root 61311 0.0 0.0 103268 872 pts/2 R+ 14:22 0:00 grep --color fork.php