What are escape characters in php? What?

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.

##\bBackspace (BS), move the current position to the previous column008##\f##\n##Horizontal tab (HT) (jump to the next TAB position)009Vertical Tab (VT)011 represents a backslash character''\'092 represents a single quote (apostrophe) character 039 represents a double quote character \0Three octal digitsTwo digits ten Hexadecimal

Escape character	Meaning	ASCII code value ( Decimal)
\a	##Bell(BEL)	007
Page change (FF), move the current position to Beginning of next page	012
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
		\v
		\\
		\'
		##\"
034	##\?	represents a question mark 063
		##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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