smartledz-patch/patch/replace_max_children/code.php

<?php

$filepath = "/etc/php7-fpm.d/www.conf";
$data = file_get_contents($filepath);

// +------------------------------
// | 替换配置
// +------------------------------

// pm.max_children = 12 改为 pm.max_children=4
if(preg_match("/pm\.max_children[ ]*=[ ]*(\d+)/", $data, $matches) && count($matches) == 2) {
    $oldStr = $matches[0];
    $value = $matches[1];
    $newStr = str_replace($value, "4", $oldStr);
    $data = str_replace($oldStr, $newStr, $data);
}

// pm = dynamic 改为 pm = static
if(preg_match("/pm[ ]*=[ ]*(\w+)/", $data, $matches) && count($matches) == 2) {
    $oldStr = $matches[0];
    $value = $matches[1];
    $newStr = str_replace($value, "static", $oldStr);
    $data = str_replace($oldStr, $newStr, $data);
}

// +------------------------------
// | 写入并重启php-fpm
// +------------------------------
file_put_contents($filepath, $data);
exec("/etc/init.d/php7-fpm restart");


// +------------------------------
// | 1小时清除1次accress.log
// +------------------------------
$command = "0 * * * * echo \\\"\\\" > /var/log/nginx/access.log";
$output = "grep -qxF \"$command\" /etc/crontabs/root || echo \"$command\" >> /etc/crontabs/root";
exec($output)."\n";

// 重启定时任务
exec("/etc/init.d/cron restart");

exec("rm -rf /etc/overlayfsconfig.tar.gz");
exec("rm -rf /etc/config.tar.gz");