课程: Level Up: PHP

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Sort people by age: Sorting an array of objects

Sort people by age: Sorting an array of objects - PHP教程

课程: Level Up: PHP

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Sort people by age: Sorting an array of objects

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(digital music) - Let's say you're building a student database and you want to get a good idea of the age range of everyone that's in the database so you can get a general idea of how big each class will be. To do this, you're going to sort the students in age order from youngest to oldest. Your requirements will be to sort the provided array of person objects by age, from youngest to oldest and don't write the sort on your own. Find and use PHP's built-in sorting function. You'll also have to refactor the compare age's function from the previous challenge to work in conjunction with PHP's built-in sorting function. Some important notes. This will use the previous and provided person class. Part of your challenge is to figure out what the built-in PHP function is and how it works and the output should be a fully sorted array. The helper function print array will print everything in a mostly readable way so you can eyeball…

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