Category PHP

The array_search() function in PHP searches an array for a given value and return the associated key of the element if it is located. If the value is not found, the function returns false. This function is especially useful when…

The in_array() function in PHP is a built-in function that checks if a specific value exists in an array or not. You can use this function when you want to verify the existence of a value in an array. In…

The uksort() function is a built-in function in PHP that sorts an associative array by its keys using a user-defined comparison function. This function works only on keys, not on values. In the uksort() function: “u” stands for “user-defined”, meaning…

The uasort() function in PHP is a built-in function that sorts an associative array by values using a user-defined comparison function, while preserving the original keys. Here, “ua” in uasort() function stands for “user-defined associative sort”, which indicates two key…

The usort() function in PHP allows you to sort an array using a user-defined comparison function. Unlike the sort() function, which sorts an array in ascending order, the usort() function sorts an array based on a custom sorting logic provided…