--TEST-- Test array_merge_recursive() function : usage variations - associative array with different values --FILE-- 0, '1' => 0), array("one" => 1, 'two' => 2, "three" => 1, 4 => 1), // arrays with float values /*3*/ array("f1" => 2.3333, "f2" => 2.3333, "f3" => array(1.1, 2.22)), array("f1" => 1.2, 'f2' => 3.33, 3 => 4.89999922839999, 'f4' => array(1.2, 'f4' => 1.2)), // arrays with string values /*5*/ array(111 => "\tHello", "array" => "col\tor", 2 => "\v\fworld", 3.3 => "\tHello"), array(111 => '\tHello', 'array' => 'col\tor', 2 => '\v\fworld', 3.3 => '\tHello'), array(1 => "hello", "string" => $heredoc, $heredoc), // array with object, unset variable and resource variable /*8*/ array(11 => new classA(), "string" => @$unset_var, "resource" => $fp, new classA(), $fp), ); // initialise the second array $arr2 = array( 1 => "one", 2, "string" => "hello", "array" => array("a", "b", "c")); // loop through each sub array of $arrays and check the behavior of array_merge_recursive() $iterator = 1; foreach($arrays as $arr1) { echo "-- Iteration $iterator --\n"; // with default argument echo "-- With default argument --\n"; var_dump( array_merge_recursive($arr1) ); // with more arguments echo "-- With more arguments --\n"; var_dump( array_merge_recursive($arr1, $arr2) ); $iterator++; } // close the file resource used fclose($fp); echo "Done"; ?> --EXPECTF-- *** Testing array_merge_recursive() : assoc. array with diff. values to $arr1 argument *** -- Iteration 1 -- -- With default argument -- array(2) { [0]=> int(0) [1]=> int(0) } -- With more arguments -- array(6) { [0]=> int(0) [1]=> int(0) [2]=> string(3) "one" [3]=> int(2) ["string"]=> string(5) "hello" ["array"]=> array(3) { [0]=> string(1) "a" [1]=> string(1) "b" [2]=> string(1) "c" } } -- Iteration 2 -- -- With default argument -- array(4) { ["one"]=> int(1) ["two"]=> int(2) ["three"]=> int(1) [0]=> int(1) } -- With more arguments -- array(8) { ["one"]=> int(1) ["two"]=> int(2) ["three"]=> int(1) [0]=> int(1) [1]=> string(3) "one" [2]=> int(2) ["string"]=> string(5) "hello" ["array"]=> array(3) { [0]=> string(1) "a" [1]=> string(1) "b" [2]=> string(1) "c" } } -- Iteration 3 -- -- With default argument -- array(3) { ["f1"]=> float(2.3333) ["f2"]=> float(2.3333) ["f3"]=> array(2) { [0]=> float(1.1) [1]=> float(2.22) } } -- With more arguments -- array(7) { ["f1"]=> float(2.3333) ["f2"]=> float(2.3333) ["f3"]=> array(2) { [0]=> float(1.1) [1]=> float(2.22) } [0]=> string(3) "one" [1]=> int(2) ["string"]=> string(5) "hello" ["array"]=> array(3) { [0]=> string(1) "a" [1]=> string(1) "b" [2]=> string(1) "c" } } -- Iteration 4 -- -- With default argument -- array(4) { ["f1"]=> float(1.2) ["f2"]=> float(3.33) [0]=> float(4.89999922839999) ["f4"]=> array(2) { [0]=> float(1.2) ["f4"]=> float(1.2) } } -- With more arguments -- array(8) { ["f1"]=> float(1.2) ["f2"]=> float(3.33) [0]=> float(4.89999922839999) ["f4"]=> array(2) { [0]=> float(1.2) ["f4"]=> float(1.2) } [1]=> string(3) "one" [2]=> int(2) ["string"]=> string(5) "hello" ["array"]=> array(3) { [0]=> string(1) "a" [1]=> string(1) "b" [2]=> string(1) "c" } } -- Iteration 5 -- -- With default argument -- array(4) { [0]=> string(6) " Hello" ["array"]=> string(6) "col or" [1]=> string(7) " world" [2]=> string(6) " Hello" } -- With more arguments -- array(7) { [0]=> string(6) " Hello" ["array"]=> array(4) { [0]=> string(6) "col or" [1]=> string(1) "a" [2]=> string(1) "b" [3]=> string(1) "c" } [1]=> string(7) " world" [2]=> string(6) " Hello" [3]=> string(3) "one" [4]=> int(2) ["string"]=> string(5) "hello" } -- Iteration 6 -- -- With default argument -- array(4) { [0]=> string(7) "\tHello" ["array"]=> string(7) "col\tor" [1]=> string(9) "\v\fworld" [2]=> string(7) "\tHello" } -- With more arguments -- array(7) { [0]=> string(7) "\tHello" ["array"]=> array(4) { [0]=> string(7) "col\tor" [1]=> string(1) "a" [2]=> string(1) "b" [3]=> string(1) "c" } [1]=> string(9) "\v\fworld" [2]=> string(7) "\tHello" [3]=> string(3) "one" [4]=> int(2) ["string"]=> string(5) "hello" } -- Iteration 7 -- -- With default argument -- array(3) { [0]=> string(5) "hello" ["string"]=> string(11) "Hello world" [1]=> string(11) "Hello world" } -- With more arguments -- array(6) { [0]=> string(5) "hello" ["string"]=> array(2) { [0]=> string(11) "Hello world" [1]=> string(5) "hello" } [1]=> string(11) "Hello world" [2]=> string(3) "one" [3]=> int(2) ["array"]=> array(3) { [0]=> string(1) "a" [1]=> string(1) "b" [2]=> string(1) "c" } } -- Iteration 8 -- -- With default argument -- array(5) { [0]=> object(classA)#%d (0) { } ["string"]=> NULL ["resource"]=> resource(%d) of type (stream) [1]=> object(classA)#%d (0) { } [2]=> resource(%d) of type (stream) } -- With more arguments -- array(8) { [0]=> object(classA)#%d (0) { } ["string"]=> array(2) { [0]=> NULL [1]=> string(5) "hello" } ["resource"]=> resource(%d) of type (stream) [1]=> object(classA)#%d (0) { } [2]=> resource(%d) of type (stream) [3]=> string(3) "one" [4]=> int(2) ["array"]=> array(3) { [0]=> string(1) "a" [1]=> string(1) "b" [2]=> string(1) "c" } } Done