php - Course catalog of course era using rest api -

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i using open api given course era. problem giving list of 100 courses,i checked on website there 1294 courses listed.then why giving 100 courses on request.

my code 

<?php  $url = "https://api.coursera.org/api/courses.v1";  $result = file_get_contents($url);  print_r($result); ?>

what should fetch whole course catalog , store in mysql db

from docs: https://building.coursera.org/app-platform/catalog/

to paginate through result set, use integer start , limit query parameters.

curl "https://api.coursera.org/api/courses.v1?start=300&limit=10"

so use start , limit pagination


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