Because Digitalocean does not find the ability to observe the used traffic, there is a need to know their traffic usage, so installed vnstat.Installation process is very simple, see Baidu Experience, the official homepage and so on.1. After the installation of Vnstat, the direct command vnstat-i Eth0 can see the traffic situation (initially will wait for a period of time to accumulate traffic data)2. Then install vnstat
Php deletes spaces on the left and right sides. php deletes spaces on the left side. Php deletes spaces on the left and right sides. This document describes how to delete spaces on the
Php adds spaces to each section. Php adds spaces for each section. This document describes how to add spaces for each section by php. Share it with you for your reference. The specific implementation method is as follows:
Php filters all blank characters (spaces, full-angle spaces, line breaks, and so on), with full-angle line breaks. Php filters all blank characters (spaces, full-angle spaces, line breaks, etc.). the trim function that comes with
PHP turns full-width spaces into half-width, and removes the trailing spaces
1. Turn the GBK string into UTF-8,
2. Convert full-width spaces into UTF-8
3. Change the replacement string to GBK
4. Remove the trailing space
5. Return string
The simplest way to clear spaces in php is to use the trim () function, but this function often fails to reach the desired result. in particular, it cannot be created when the string has characters such as rn, lower
The simplest way to clear spaces in php is to use the trim () function, but this function often fails to
In PHP, the TRIM function can only replace the left and right sides of the space, feeling in some cases not very good, if you want to be a string of all white space characters filter out (spaces, full-width spaces, newline, etc.), then we can write a filter function.
PHP Learning Str_replace functions are known, can b
Php removes the leading and trailing spaces, and php removes the trailing spaces. Php two methods to remove leading and trailing spaces. php two seemingly simple headers and trailing
PHP implements the method of deleting spaces on the right of an object row by row ,. PHP implements the method of deleting spaces on the right of a file row by row. This article describes how PHP deletes spaces on the right of a f
PHP clears spaces at both ends of all strings in the array. PHP clears spaces at both ends of all strings in the array. This article describes how PHP clears spaces at both ends of all strings in the array.
I tried regular expressions myself, but I found that the filtering of single-line comments is not satisfactory and it is easy to make mistakes. I accidentally saw the strip_whitespace function in a sns, and shared it with me. I hope to help my friends who need it. Recently, I learned from thinkphp's 'runtime _ ALLINONE 'experience: I am not afraid of caching a lot, I am afraid that the call will be messy. simply merge all the commonly used files into one file...
The code is as follows:
Functio
How to set php auto indent to 4 spaces in VIM. The code is naturally indispensable to the text editing tool vim. Automatic indentation uses TABs. even if you delete the tabs and change them to four spaces, the tabs will continue to be used in the next level of indentation, this makes the code indispensable to text editing tool vim. Automatic indentation uses TABs
This article provides a detailed summary of php's use of regular expressions to filter links, tags, spaces, and line breaks. For more information, see. This article provides a detailed summary of php's use of regular expressions to filter links, tags, spaces, and line breaks. For more information, see.
Script ec (2); script
Strip_tags Function
Strip_tags --- Remove HTML and
There are spaces and ascill spaces in php, so we need to sort them together to replace them, let's take a look at an example of php replacement and filtering of all the blank characters and spaces. In php, there are
Recently, I learned from thinkphp's 'runtime _ ALLINONE 'Experience: I am not afraid of caching and calling chaos. I simply merge all common files into one file, not beautiful...
Copy codeThe Code is as follows: function strip_whitespace ($ content ){
$ StripStr = '';
// Analyze the php source code
$ Tokens = token_get_all ($ content );
$ Last_space = false;
For ($ I = 0, $ j = count ($ tokens); $ I If (is_string ($ tokens [$ I]) {
$ Last_space = fals
PHP uses the trim function to remove leading and trailing spaces and special characters. PHP uses the trim function to remove leading and trailing spaces and special characters. This document describes how PHP uses the trim function to remove leading and trailing
The following article summarizes several php program examples for removing spaces at the beginning and end of a string in Chinese and English. Here, regular expression replacement and trim functions are used to delete the string. Let's take a look. The following article summarizes several php program examples for removing spa
Php uses regular expressions to filter various tags, spaces, and line breaks. Collect php code that uses regular expressions to filter various tags, spaces, and line breaks: $ strpreg_replace (s +, $ str); filter excess carriage returns $ strpreg_replace ([] + si ,, $ str); filter _ collect
Php removes leading and trailing spaces. Two methods for removing leading and trailing spaces in php this article mainly introduces two methods for removing leading and trailing spaces in php. This article provides two methods, pr
Php submits textarea data to mysql. Php submits textarea data to mysql. There are a lot of spaces in the solution. Some friends may find that after html is submitted to php for processing and saving data to mysql, we will find that the textarea solutions for submitting data to mysql with many
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