The following code will return all the available fields as an array by a field type. You can pass the field type that you want to load within getFieldMapByFieldType() function.
In PHP we can able to slice an Array into small chunks. To chunk array, there is a function called array_slice(). This function will accept splitting array with Limit and offset of the slice. It will split array into given limit from the offset of starting.
Array - Array is a structure in which it stores multiple values in a single variable. It can be classified into three types say numeric ,associative and multidimensional array.
In Drupal by Taxonomy term list are arranged as parent child format. Similarly we can able to create List option in our custom form. Below is the source code to generate option array as Parent child hierarchy. List key is Term ID and display name is Taxonomy term hierarchy.
A number of items can be printed in HTML as per the iteration counts using “ng-repeat” in AngularJS. The iteration count is the size of the array or object. The item can be printed in the reverse order using “orderBy”.