echo today

The definition of a variable can only begin with a letter and an underscore, case-sensitive, and may contain a numeric letter underline. See Official Handbook Copy Code code as follows: [Root@svn shell_example]# yourname= ' Linux ' [

There are a lot of special symbols in the Linux shell, which we should pay special attention to when we write Shell script: On the one hand, we need to know the usage of these special symbols, these symbols can be used to achieve a multiplier effect;

It is customary to use the Linux command line to manage Linux systems, for example: Copy Code code as follows: $ date 211 01:34:58 CST 1999 $ When the user logs in, it actually goes into the shell, and it follows a certain

In this paper, we analyze how to calculate the date difference between days in PHP. Share to everyone for your reference, specific as follows: ? PHP //Today and October 27, 2016 difference between the number of days $Date _1=date ("y-m-d"); $

Use the function date () to implement the displayed in the format: year-month-day hours: minutes: secRelated Time parameters:A-"AM" or "PM"A-"AM" or "PM"D-A few days, two digits, if less than two digits before the 0; such as: "01" to "31"D-Days of

Shell and Export commands After the user logs on to the Linux system, a user shell is started. In this shell, you can use shell commands or declare variables, or you can create and run shell script programs. When you run the shell script program,

1, ': Command replacement In the output of a sentence, if you want to add command output in the middle, in the inverted quotes inside the command can be done, and $command is the same. [Root@localhost ~]# Echo today ' date +%f 'Today is 2016-08-03

? Require (' common.inc '); $arr _request=array (); if (count ($HTTP _get_vars)) { while (list ($key, $value) =each ($HTTP _get_vars)) { $arr _request[strtolower ($key)]= $value; } } if (count ($HTTP _post_vars)) { while (list ($key, $value) =each ($

When we develop, we often encounter to add a time to another time minus is it, I would like to recommend two PHP date difference days processing function. First type:function count_days ($a, $b) {$a _dt=getdate ($a);$b _dt=getdate ($b);$a

1, Mktime () function: The UNIX timestamp is returned based on the batch parameter, which needs to be formatted with the date () function to output the date and time. Example: Use the Mktime () function to get the current time of the system echo

1: Build docker-based MySQL, referenceMac will use brew-installed MySQL instead of Docker to perform2: Build based on docker?php imageIn the current directory, set up the Dockerfile, the content is as followsFrom Php:7.0-cli maintainer Terry Zhang

In the actual use of the shell, there are programming experience is easy to get started, but a little more difficult is the shell of those symbols, a variety of special symbols in the shell script we write if we can use good, often can give us a

Directory index of this blog post[TOC]First, the Cognition function (a) What is a function?1, the function, the English called: function2. A function is a block of statements made up of several shell commands(b) Why should I use a function?1.

This article provides a detailed analysis of how to use php to obtain the timestamp of today, tomorrow, and yesterday. For more information, see use php to obtain the timestamp of today, tomorrow, and yesterday. Echo "today:". date ("Y-m-d ")." ";

PHP entry-level tutorial: teaches you how to quickly learn the PHP language. LieHuo. Net programming document This article introduces some PHP entry-level tutorials: quick learning of PHP. PHP syntax. 1. embedding method: like ASP %. can PHP be? Php

This article is a simple and comprehensive introduction to the relevant knowledge of php. php is very simple to get started. A brief introduction to PHP syntax 1. embedding method: PHP can be , Of course, you can also specify it yourself. 2.

PHP classic interview questions (Basic I) with answers. Interview and written examination are often indispensable for job hunting and recruitment. as a php programmer, more or less will have similar experiences. The following are the PHP interview

I hope you can understand this. this is just about how to get started and better understand PHP! You can also master basic PHP knowledge! The PHP language is profound and profound! It's not a day or two! It takes a long time to learn! Next, let's

Date functions of PHP series learning. Introducing PHP is an amazing language. It is powerful enough (the core language of the largest blog (wordpress) and extensive enough (running on facebook, the largest social networking website ). Introduction

The second day of learning php in ten days. Objective: to master php process control 1. if... else loop has three structures. The first one is to use the if condition as a simple judgment. Explains how to deal with something if something happens.