How to extract first element of each array into array PHP

Question

Sometimes when you are performing db queries, you might need only the first element of the arrays whereas PHP result array will give you an array of arrays containing one element each. What is the best way to extract each element into an array eg

Say you have array(array('silas'), array('douglas'))

but you need array('silas', 'douglas');

Answer 1

您可以使用array_map('array_shift', $your_array);