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PHP Object-Oriented PHP Basics Building a Collection Collection Objects

Ker Sing Tan
Ker Sing Tan
10,573 Points
Posted by Ker Sing Tan
Ker Sing Tan
10,573 Points

Return an collection array of house objects whose public properties roof_color OR wall_color

Return an collection array of house objects whose public properties roof_color OR wall_color I am stuck with this challenge. I am not fully understand the concept of "collection array" , any expert can explain using this challenge as example?? Thank you

Filip Johansson
Filip Johansson
2,857 Points

where are roof_color OR wall_color coming from?