php replace newline

? $str = "This is a test \ n"; $patten = Array ("\ n", "\ n", "\ R"); ?//replace \ r \ n First, then presence \ n $str =str_replace ($order, "", $str); ?> Copy Code

Q-net > Article Tutorials > Programming design > PHP Delete a string of spaces and newline characters ultimate Method string newline character file encoding Web page encoding hidden characters the ultimate method of removing spaces and line breaks

A line break is a computer language expression that jumps to the next new line. In different languages, the code is different. such as:, "\ n", "Endl" and so on. This article mainly introduces several methods of replacing newline characters in

Convert newline characters to . Syntax: String nl2br (String string); return value: String Function type: Data processing Content Description This function converts the newline character to the instruction of the HTML wrapping. Copy Code code

A small package, in fact, different platforms have different implementations. Why are you doing this? It can be a world that is diverse.Originally UNIX and the world had to replace it with/N, but windows in order to reflect their differences. To use/

PHP preg_replace () Regular replacement, unlike JavaScript regular substitution, PHP preg_replace () is the default is to replace all symbol matching conditions of the elements need our program processing data is not always pre-designed database

First, directly filtered out $reg = Array ("\ r \ n", "\ n", "\ R");$replace = ";$str =str_replace ($reg, $replace, $STR); So the content will not have to wrap. Two, become a line wrap Var_dump ($STR) Print the content out, see in the browser:

One, the following example can remove extra whitespace The code is as follows $STR = "This line containstliberal RN with Whitespace.nn";The leading/trailing whitespaceRemove the start and end blank Www.111cn.net$str =

The first type: Copy CodeThe code is as follows: ? $str = "This is a test \ n"; $patten = Array ("\ n", "\ n", "\ R"); ?//replace \ r \ n First, then presence \ n $str =str_replace ($order, "", $str); ?> PHP has three ways to solve 1. Use

For example, the following code: Copy Code code as follows: Echo ' hello\n '; echo ' World '; ?> The newline character in the program is output directly, and the line cannot be wrapped correctly, and the solution is to change