Programmer Group

2019-02-27 array_keys() array_keys ( array $array [, mixed $search_value = null [, bool $strict = false ]] ) : arrayDescription: get some or all key names in the array $arr = [ 'name' => 'ZhangSan', 'age' => 18, 'gender' => 'man', ]; print_r(array_keys($arr)); // output Array ( [0] => name [1] => age [2] ...

To be honest, PHP is under a lot of pressure in terms of code quality. By reading this series of articles, you'll learn how to improve the quality of your PHP code. There are many reasons for this, but it's certainly not just the lack of proper testing tools for the PHP ecosystem. In this article, I want to show you a simple setup for basic qu ...

LNMP deployment instance and HTTPS service implementation What is LNMP: Linux + nginx + MySQL + (PHP FPM, PHP MySQL) The web service architecture of Nginx+Mysql+Php on the Linux operating system. MySQL in CentOS 6, Mariadb in CentOS 7   What's the function: it provides web services and can parse applications of PHP classes; Next, I will dep ...

The online script content is as follows:[root@localhost ~]# cat /data/scripts/check_php.sh #!/bin/bash Date=`date "+%Y-%m-%d %H:%M:%S"` Num=$(ps -ef|egrep "countjs_syc_site*|countjs_syc_plan*|countjs_syc.php|countjs_syc_img*|setcache*"|grep -v grep |wc -l) Pid=$(/bin/ps -ef|egrep "countjs_syc_site*|countjs_syc_plan*|countjs_syc.php|countjs_ ...

What is chain queue Queue is a "first in, first out" storage structure, which is a special linear table. It only allows deletion at the front of the table, and insertion at the rear of the table.Generally, queues can be implemented in two ways: sequential queues and chained queues,As the name implies, sequential queue adopts sequentia ...

Your domain:                  lsp-api-merchant.hhs2717.cn Virtualhost conf:             /usr/local/nginx/conf/vhost/lsp-api-merchant.hhs2717.cn.conf Directory of:                 /data/wwwroot/lsp-api-merchant.hhs2717.cn Rewrite rule:                 /usr/local/nginx/conf/rewrite/laravel.conf Self-signed SSL Certificate:  /usr/local/nginx/conf/ ...

When performing a step of exporting csv, when more than 3w pieces of data are to be exported, an error will be reported, as follows: Allowed memory size of 134217728 bytes exhausted (tried to allocate 20480 bytes) php stores more than 3w pieces of data. This array takes up more than 20M of memory Solution: take data in batches and process da ...

Suppose we have a scenario in which all servers share the same configuration file, we can't maintain each server manually. At this time, we can use the configuration management function of zookeeper. Environment: python + nginx + zookeeper Objective: when the configuration file in zookeeper changes, nginx automatically pulls the latest config ...

Install class library Download PHPExcel class library from GitHub Address: https://github.com/PHPOffice/PHPExcel After unzipping, move the Classes folder to the extend directory of ThinkPHP and rename it phpexcel Add references where needed in the project import('phpexcel.PHPExcel', EXTEND_PATH); code implementation <?php namespace app\ind ...

If you often pay attention to the PHP framework falcon, you should know that the team of Falcon has developed a high-level language for better development of falcon—— Zephir. Zephir, an open source high-level language, aims to simplify the creation and maintainability of PHP extensions, focusing on type and memory secu ...