在变量中包含图像

I expect this is a dumb question but I'm not the best when it comes to php. I want to add an image inside the below variable, what do I need to do?

$usermessage = 

"
Thank you for joining our mailing list

We hope to see you very soon!


Address 1
Address 2
<img src="images/wbf-logo.png" />

";

use single Quote '

$usermessage = "
Thank you for joining our mailing list

We hope to see you very soon!


Address 1
Address 2
<img src='images/wbf-logo.png' />

";

Or Add backslash

$usermessage = "
Thank you for joining our mailing list

We hope to see you very soon!


Address 1
Address 2
<img src=\"images/wbf-logo.png\" />

";

try as follows

"
Thank you for joining our mailing list

We hope to see you very soon!


Address 1
Address 2
<img src=\"images/wbf-logo.png\" />

";

OR

'
Thank you for joining our mailing list

We hope to see you very soon!


Address 1
Address 2
<img src="images/wbf-logo.png" />

';

Magic slashes. And i replaced with <br />.

$usermessage = "Thank you for joining our mailing list

We hope to see you very soon!
<br />
Address 1
Address 2
<img src=\"images/wbf-logo.png\" />

";

Try this, escape the double quote in the image tag

"
Thank you for joining our mailing list

We hope to see you very soon!


Address 1
Address 2
<img src=\"images/wbf-logo.png\" />

";

OR

"
Thank you for joining our mailing list

We hope to see you very soon!


Address 1
Address 2
<img src='images/wbf-logo.png' />

";
$usermessage = '
Thank you for joining our mailing list <br />
We hope to see you very soon!
<br />
Address 1
Address 2
<img src="images/wbf-logo.png" />';

Just add backslash to protect double quotes, like this :

$usermessage = "Thank you for joining our mailing list

We hope to see you very soon!


Address 1
Address 2
<img src=\"images/wbf-logo.png\" />";

You only need to add backslash there :

Example:

<img src=\"images/wbf-logo.png\" />;