About newline in WeChat public platform development-php Tutorial

About newline in public platform development

$ ContentStr = "Hello, glad to meet you. I am an assistant for Zhoushan traffic. I will teach you how to use me! \ R \ n ". "[1] check the line: enter the bus number to query. for example, enter 28 \ r \ n [2] enter a non-digital bus number: [fast 1] [disk for urban and rural areas] [Game 1] [Game 2] [Game 3] [maroon ring line] \ r \ n [3] query site: if you enter "East Gate Station", please try to enter the correct location \ r \ n [4] to reply to the "start point" to "end" query line, for example, enter "Ocean College to exhibition ", please try to enter the correct location "\ r \ n [5] and reply"?" Check this article again \ n mo da ";

Why is there no blank line? \ r \ n, \ n cannot be used .....

Reply to discussion (solution)

$ ContentStr = "Hello, glad to meet you. I am an assistant for Zhoushan traffic. I will teach you how to use me! ". "\ R \ n ". "[1] check the line: enter the bus number directly to query, for example, enter: 28 ". "\ r \ n ". "[2] enter a non-digital bus number: [fast 1] [disk for urban and rural areas] [Tour 1] [Tour 2] [Tour 3] [maroon ring line ]". "\ r \ n ". "[3] site query: enter a location as accurate as possible, for example, Dongmen station ". "\ r \ n ". "[4] reply to the" starting point "to" ending point "query line. for example, enter" Ocean College to exhibition ". please try to enter the correct location "". "\ r \ n ". "[5] reply"?" View the information "." \ n "." "again ";

\ N line feed
\ N empty line

Where did you see no line breaks?

\ N line feed
\ N empty line

Where did you see no line breaks?

But I have already done it myself.