PHP character escaping precautions_PHP tutorial

In php:

* PHP string with single quotes as delimiter, supports two escapes ' and \
* PHP with double quotes as delimiter String, supports the following escapes:
n Line feed (LF or ASCII character 0x0A (10))
r Carriage return (CR or ASCII character 0x0D (13))
t Horizontal tab (HT or ASCII character 0x09 (9))
\ backslash
$ dollar sign
" double quote
[0-7]{1,3} This regular expression sequence matches an octal symbol The character
x[0-9A-Fa-f]{1,2} This regular expression sequence matches a character represented in hexadecimal notation

to give a few examples:

A containing



http://www.bkjia.com/PHPjc/320090.html

www.bkjia.com

true

http: //www.bkjia.com/PHPjc/320090.html

TechArticle

In php: * PHP string with single quotes as delimiter, supports two escapes ' and \ * PHP string delimited by double quotes, supports the following escapes: n Newline (LF or ASCII character...