PHP Manual
String Functions
Quote meta characters

quotemeta

(PHP 4, PHP 5, PHP 7, PHP 8)

quotemeta — Quote meta characters

Description

quotemeta(string $string): string

Returns a version of str with a backslash character (\) before every character that is among these:

. \ + * ? [ ^ ] ( $ )

Parameters

string: The input string.

Return Values

Returns the string with meta characters quoted, or false if an empty string is given as string.

Notes

Note: This function is binary-safe.

See Also

addslashes() - Quote string with slashes
addcslashes() - Quote string with slashes in a C style
htmlentities() - Convert all applicable characters to HTML entities
htmlspecialchars() - Convert special characters to HTML entities
nl2br() - Inserts HTML line breaks before all newlines in a string
stripslashes() - Un-quotes a quoted string
stripcslashes() - Un-quote string quoted with addcslashes
preg_quote() - Quote regular expression characters