--TEST-- Test array_map() function : usage variations - anonymous callback function --FILE-- getMessage() . "\n"; } echo "-- anonymous function with NULL parameter --\n"; var_dump( array_map( function() { return NULL; }, $array1)); echo "-- anonymous function with NULL body --\n"; var_dump( array_map( function($a) { }, $array1)); echo "-- passing NULL as 'arr1' --\n"; var_dump( array_map( function($a) { return array($a); }, NULL)); echo "Done"; ?> --EXPECTF-- *** Testing array_map() : anonymous callback function *** -- anonymous function with all parameters and body -- array(3) { [0]=> array(2) { [0]=> int(1) [1]=> int(3) } [1]=> array(2) { [0]=> int(2) [1]=> int(4) } [2]=> array(2) { [0]=> int(3) [1]=> int(5) } } -- anonymous function with two parameters and passing one array -- Exception: Too few arguments to function {closure}(), 1 passed and exactly 2 expected -- anonymous function with NULL parameter -- array(3) { [0]=> NULL [1]=> NULL [2]=> NULL } -- anonymous function with NULL body -- array(3) { [0]=> NULL [1]=> NULL [2]=> NULL } -- passing NULL as 'arr1' -- Warning: array_map(): Expected parameter 2 to be an array, null given in %s on line %d NULL Done