Turn from: http://blog.chinaunix.net/uid-28458801-id-3460227.html
Overlay writing (the original content in the file is covered) echo "AAA" > A.txtecho AAA > A.txtAdd style (The new content is added after the original content)echo "AAA" >> a.txtecho
The echo command of Linux, which is very commonly used in shell programming, is often used when printing variable value under a terminal, so it is necessary to understand the use of the following Echo
The function of the echo command is to display a
Linux echo command, linuxecho
This article is reproduced in: http://www.cnblogs.com/ZhangShuo/articles/1829589.html
Linux echo commands are very common in shell programming and are often used to print the variable value in the terminal. Therefore,
It's weird. I echo every HTML when it's echo "
"; It's supposed to be a blue flag, but I have a blue one and grey is what's going on.
Reply to discussion (solution)
Your code is not escaped.
echo "
";//or use single quote
1, what is Laravel EchoEcho is a tool that allows us to easily implement WebSockets in Laravel applications (about websockets working principles and mechanisms to refer to this article: WebSocket combat) while simplifying building complex websockets
After html calls php, the echo is garbled. php's separate echo & nbsp; Chinese Characters & nbsp; are not garbled. However, after html calls php, php & nbsp; echo's & nbsp; chinese Characters & nbsp; are garbled. Html & nbsp; Yes & nbsp; UTF-8 & nbs
Most of the time, we use echo. When using PHP for code editing, one or more strings are output normally, and the PHP function echo () is used (). The following describes how to use the PHP function echo.
Definition and usage
The PHP function echo ()
The difference between echo and print in PHP is phpechoprint. The difference between echo and print in PHP. In general, PHP dynamically outputs HTML content through print and echo statements. in actual use, difference between echo and print in PHP:
Html echo garbled php character set garbled after php is called
Php does not contain garbled characters when echo Chinese characters separately, but after html calls php, php echo Chinese characters are garbled.
Html is UTF-8; zend studio is used;
The difference between Echo and print in PHP, Phpechoprint
In general, the dynamic output of HTML content in PHP is achieved through print and ECHO statements, and in practice, both print and ECHO functions are almost identical. It can be said that
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