PHP array_filter Function | Filter Array using Callback

PHP array_filter is an inbuilt function in PHP. It filters array elements using a callback function. It passes all elements of the array to a callback function. If the callback function returns false for a particular element, it deletes that element from the array. Also, it preserves the original keys of the array. In this… Read more PHP array_filter Function | Filter Array using Callback

PHP krsort Function | Sort Arrays By Key Descending Order

PHP krsort is an inbuilt Function in PHP. It sorts arrays in descending order according to keys while maintaining the relationship between keys and values. The smallest key in the input array appears last and the largest appears first. In this article, we will discuss the PHP krsort Function. Also, we will discuss a few… Read more PHP krsort Function | Sort Arrays By Key Descending Order