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In PHP, the escape character is a special character constant, starting with a backslash "\", followed by one or several characters, which has a different meaning from the original character. The escape characters are: "\a" means "ring", "\b" means backspace, "\f" means page feed, "\n" means line feed, "\r" means carriage return, "\ 0" represents a null character, etc.
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What are the escape characters in php? What?
The escape character is a special character constant. The escape character starts with a backslash "\" and is followed by one or more characters. Escape characters have specific meanings that are different from the original meaning of the characters, so they are called "escape" characters.
Escape character |
Meaning |
ASCII code value ( Decimal) |
\a |
##Bell(BEL) | 007 |
Backspace (BS), move the current position to the previous column | 008 | |
Page change (FF), move the current position to Beginning of next page | 012 | ##\n |
Newline ( LF), move the current position to the beginning of the next line |
010 |
##\r |
Press Enter (CR) to move the current position to the beginning of this line | 013 | \t |
009 | \v |
|
011 | \\ |
|
092 | \' |
|
039 | ##\" | |
034 | ##\? | represents a question mark063 |
\0 | ##NULL character(NULL) | |
000 | \ddd | ##Any character represented by 1 to 3 octal digits |
\xhh |
Any character represented by 1 to 2 hexadecimal digits |
|
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