1--TEST-- 2Bug #23581 (array_map(NULL, array, array, ...) yields an undefined result) 3--FILE-- 4<?php 5var_dump( 6 array_map( 7 NULL, 8 array(1,2,3), 9 array(4,5,6), 10 array(7,8,9) 11 ) 12); 13?> 14--EXPECT-- 15array(3) { 16 [0]=> 17 array(3) { 18 [0]=> 19 int(1) 20 [1]=> 21 int(4) 22 [2]=> 23 int(7) 24 } 25 [1]=> 26 array(3) { 27 [0]=> 28 int(2) 29 [1]=> 30 int(5) 31 [2]=> 32 int(8) 33 } 34 [2]=> 35 array(3) { 36 [0]=> 37 int(3) 38 [1]=> 39 int(6) 40 [2]=> 41 int(9) 42 } 43} 44