Difference between single quotes and double quotes in php

Variables in single quotes do not execute double quotes, such as $ name = 'hello'; echothe $ name; the output is thehello, and if it is single quotes $ name = 'hello '; echo 'The $ name'; the main difference between the $ name is output. "> <LINKhref =" http: // www

Variables in single quotes are not executed.

Double quotation marks are executed.

For example

$ Name = 'hello ';

Echo "the $ name ";

Will output the hello

If it is a single quotation mark

$ Name = 'hello ';

Echo 'The $ name ';

The $ name

This is the main difference.