Welcome to the Treehouse Community
Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.
Looking to learn something new?
Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.
Start your free trialDean Pierrot
18,403 PointsWhats the difference between '+=' v.s '.='?
$string_one = 'Hello World;
$string_one .= 'Welcome to my site';
vs
$string_one += 'Welcome to my site';
1 Answer
Alexander Davison
65,469 Points.=
can only concatenate strings, while +=
can concatenate strings AND add.
Dean Pierrot
18,403 PointsDean Pierrot
18,403 PointsAdd as addition or combining to strings together?
Alexander Davison
65,469 PointsAlexander Davison
65,469 PointsUh-huh. :D