Use of backslash in php (Chapter 4) of Getting started with php
php.net describes use of backslash perfectly To specify a literal single quote, escape it with a backslash (\). To specify a literal backslash, double it (\\). All other instances of backslash will be treated as a literal backslash: this means that the other escape sequences you might be used to, such as \r or \n, …
Use of backslash in php (Chapter 4) of Getting started with php Read More »