php

< 1 min read To check whether a variable is set in PHP, you can use the isset() function. This function returns true if the variable is set, …

< 1 min read To check whether a variable is empty in PHP, you can use the empty() function. This function returns true if the variable is empty, …

< 1 min read To check whether a variable is null in PHP, you can use the is_null() function. This function returns true if the variable is null, …

< 1 min read To reverse a string in PHP, you can use the strrev() function. This function returns a string in which the characters are reversed. For …

< 1 min read To remove the last item from an array in PHP, you can use the array_pop() function. This function removes the last element from an …

< 1 min read To remove the first item from an array in PHP, you can use the array_shift() function. This function removes the first element from an …

< 1 min read To sort an array alphabetically in PHP, you can use the sort() function. This function sorts an array in ascending order, and assigns the …

< 1 min read To calculate the sum of the values in an array in PHP, you can use the array_sum() function. This function returns the sum of …

< 1 min read To remove empty values from an array in PHP, you can use the array_filter() function. This function filters the elements of an array using …

< 1 min read To sort an associative array in PHP, you can use the asort() function. This function sorts an array by the values, while preserving the …