--TEST-- Testing array_slice() function --FILE-- "aaa", "A" => "AAA", "c" => "ccc", "d" => "ddd", "e" => "eee"), array("1" => "one", "2" => "two", "3" => "three", "4" => "four", "5" => "five"), array(1 => "one", 2 => "two", 3 => 7, 4 => "four", 5 => "five"), array("f" => "fff", "1" => "one", 4 => 6, "" => "blank", 2.4 => "float", "F" => "FFF", "blank" => "", 3.7 => 3.7, 5.4 => 7, 6 => 8.6, '5' => "Five"), array(12, "name", 'age', '45'), array( array("oNe", "tWo", 4), array(10, 20, 30, 40, 50), array()) ); $num = 4; $str = "john"; $counter = 1; foreach ($var_array as $sub_array) { /* variations with two arguments */ /* offset values >, < and = 0 */ echo"\n*** Iteration ".$counter." ***\n"; echo"\n*** Variation with first two Arguments ***\n"; var_dump ( array_slice($sub_array, 1) ); var_dump ( array_slice($sub_array, 0) ); var_dump ( array_slice($sub_array, -2) ); /* variations with three arguments */ /* offset value variations with length values */ echo"\n*** Variation with first three Arguments ***\n"; var_dump ( array_slice($sub_array, 1, 3) ); var_dump ( array_slice($sub_array, 1, 0) ); var_dump ( array_slice($sub_array, 1, -3) ); var_dump ( array_slice($sub_array, 0, 3) ); var_dump ( array_slice($sub_array, 0, 0) ); var_dump ( array_slice($sub_array, 0, -3) ); var_dump ( array_slice($sub_array, -2, 3) ); var_dump ( array_slice($sub_array, -2, 0 ) ); var_dump ( array_slice($sub_array, -2, -3) ); /* variations with four arguments */ /* offset value, length value and preserve_key values variation */ echo"\n*** Variation with first two arguments with preserve_key value TRUE ***\n"; var_dump ( array_slice($sub_array, 1, 3, true) ); var_dump ( array_slice($sub_array, 1, 0, true) ); var_dump ( array_slice($sub_array, 1, -3, true) ); var_dump ( array_slice($sub_array, 0, 3, true) ); var_dump ( array_slice($sub_array, 0, 0, true) ); var_dump ( array_slice($sub_array, 0, -3, true) ); var_dump ( array_slice($sub_array, -2, 3, true) ); var_dump ( array_slice($sub_array, -2, 0, true) ); var_dump ( array_slice($sub_array, -2, -3, true) ); $counter++; } /* variation of offset and length to point to same element */ echo"\n*** Typical Variation of offset and length Arguments ***\n"; var_dump (array_slice($var_array[2], 1, -3, true) ); var_dump (array_slice($var_array[2], 1, -3, false) ); var_dump (array_slice($var_array[2], -3, -2, true) ); var_dump (array_slice($var_array[2], -3, -2, false) ); ?> --EXPECT-- *** Iteration 1 *** *** Variation with first two Arguments *** array(0) { } array(0) { } array(0) { } *** Variation with first three Arguments *** array(0) { } array(0) { } array(0) { } array(0) { } array(0) { } array(0) { } array(0) { } array(0) { } array(0) { } *** Variation with first two arguments with preserve_key value TRUE *** array(0) { } array(0) { } array(0) { } array(0) { } array(0) { } array(0) { } array(0) { } array(0) { } array(0) { } *** Iteration 2 *** *** Variation with first two Arguments *** array(8) { [0]=> int(2) [1]=> int(3) [2]=> int(4) [3]=> int(5) [4]=> int(6) [5]=> int(7) [6]=> int(8) [7]=> int(9) } array(9) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) [4]=> int(5) [5]=> int(6) [6]=> int(7) [7]=> int(8) [8]=> int(9) } array(2) { [0]=> int(8) [1]=> int(9) } *** Variation with first three Arguments *** array(3) { [0]=> int(2) [1]=> int(3) [2]=> int(4) } array(0) { } array(5) { [0]=> int(2) [1]=> int(3) [2]=> int(4) [3]=> int(5) [4]=> int(6) } array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) } array(0) { } array(6) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) [4]=> int(5) [5]=> int(6) } array(2) { [0]=> int(8) [1]=> int(9) } array(0) { } array(0) { } *** Variation with first two arguments with preserve_key value TRUE *** array(3) { [1]=> int(2) [2]=> int(3) [3]=> int(4) } array(0) { } array(5) { [1]=> int(2) [2]=> int(3) [3]=> int(4) [4]=> int(5) [5]=> int(6) } array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) } array(0) { } array(6) { [0]=> int(1) [1]=> int(2) [2]=> int(3) [3]=> int(4) [4]=> int(5) [5]=> int(6) } array(2) { [7]=> int(8) [8]=> int(9) } array(0) { } array(0) { } *** Iteration 3 *** *** Variation with first two Arguments *** array(4) { [0]=> string(3) "Two" [1]=> string(5) "Three" [2]=> string(4) "Four" [3]=> string(4) "Five" } array(5) { [0]=> string(3) "One" [1]=> string(3) "Two" [2]=> string(5) "Three" [3]=> string(4) "Four" [4]=> string(4) "Five" } array(2) { [0]=> string(4) "Four" [1]=> string(4) "Five" } *** Variation with first three Arguments *** array(3) { [0]=> string(3) "Two" [1]=> string(5) "Three" [2]=> string(4) "Four" } array(0) { } array(1) { [0]=> string(3) "Two" } array(3) { [0]=> string(3) "One" [1]=> string(3) "Two" [2]=> string(5) "Three" } array(0) { } array(2) { [0]=> string(3) "One" [1]=> string(3) "Two" } array(2) { [0]=> string(4) "Four" [1]=> string(4) "Five" } array(0) { } array(0) { } *** Variation with first two arguments with preserve_key value TRUE *** array(3) { [1]=> string(3) "Two" [2]=> string(5) "Three" [3]=> string(4) "Four" } array(0) { } array(1) { [1]=> string(3) "Two" } array(3) { [0]=> string(3) "One" [1]=> string(3) "Two" [2]=> string(5) "Three" } array(0) { } array(2) { [0]=> string(3) "One" [1]=> string(3) "Two" } array(2) { [3]=> string(4) "Four" [4]=> string(4) "Five" } array(0) { } array(0) { } *** Iteration 4 *** *** Variation with first two Arguments *** array(7) { [0]=> string(3) "six" [1]=> int(7) [2]=> string(5) "seven" [3]=> int(8) [4]=> string(5) "eight" [5]=> int(9) [6]=> string(4) "nine" } array(8) { [0]=> int(6) [1]=> string(3) "six" [2]=> int(7) [3]=> string(5) "seven" [4]=> int(8) [5]=> string(5) "eight" [6]=> int(9) [7]=> string(4) "nine" } array(2) { [0]=> int(9) [1]=> string(4) "nine" } *** Variation with first three Arguments *** array(3) { [0]=> string(3) "six" [1]=> int(7) [2]=> string(5) "seven" } array(0) { } array(4) { [0]=> string(3) "six" [1]=> int(7) [2]=> string(5) "seven" [3]=> int(8) } array(3) { [0]=> int(6) [1]=> string(3) "six" [2]=> int(7) } array(0) { } array(5) { [0]=> int(6) [1]=> string(3) "six" [2]=> int(7) [3]=> string(5) "seven" [4]=> int(8) } array(2) { [0]=> int(9) [1]=> string(4) "nine" } array(0) { } array(0) { } *** Variation with first two arguments with preserve_key value TRUE *** array(3) { [1]=> string(3) "six" [2]=> int(7) [3]=> string(5) "seven" } array(0) { } array(4) { [1]=> string(3) "six" [2]=> int(7) [3]=> string(5) "seven" [4]=> int(8) } array(3) { [0]=> int(6) [1]=> string(3) "six" [2]=> int(7) } array(0) { } array(5) { [0]=> int(6) [1]=> string(3) "six" [2]=> int(7) [3]=> string(5) "seven" [4]=> int(8) } array(2) { [6]=> int(9) [7]=> string(4) "nine" } array(0) { } array(0) { } *** Iteration 5 *** *** Variation with first two Arguments *** array(4) { ["A"]=> string(3) "AAA" ["c"]=> string(3) "ccc" ["d"]=> string(3) "ddd" ["e"]=> string(3) "eee" } array(5) { ["a"]=> string(3) "aaa" ["A"]=> string(3) "AAA" ["c"]=> string(3) "ccc" ["d"]=> string(3) "ddd" ["e"]=> string(3) "eee" } array(2) { ["d"]=> string(3) "ddd" ["e"]=> string(3) "eee" } *** Variation with first three Arguments *** array(3) { ["A"]=> string(3) "AAA" ["c"]=> string(3) "ccc" ["d"]=> string(3) "ddd" } array(0) { } array(1) { ["A"]=> string(3) "AAA" } array(3) { ["a"]=> string(3) "aaa" ["A"]=> string(3) "AAA" ["c"]=> string(3) "ccc" } array(0) { } array(2) { ["a"]=> string(3) "aaa" ["A"]=> string(3) "AAA" } array(2) { ["d"]=> string(3) "ddd" ["e"]=> string(3) "eee" } array(0) { } array(0) { } *** Variation with first two arguments with preserve_key value TRUE *** array(3) { ["A"]=> string(3) "AAA" ["c"]=> string(3) "ccc" ["d"]=> string(3) "ddd" } array(0) { } array(1) { ["A"]=> string(3) "AAA" } array(3) { ["a"]=> string(3) "aaa" ["A"]=> string(3) "AAA" ["c"]=> string(3) "ccc" } array(0) { } array(2) { ["a"]=> string(3) "aaa" ["A"]=> string(3) "AAA" } array(2) { ["d"]=> string(3) "ddd" ["e"]=> string(3) "eee" } array(0) { } array(0) { } *** Iteration 6 *** *** Variation with first two Arguments *** array(4) { [0]=> string(3) "two" [1]=> string(5) "three" [2]=> string(4) "four" [3]=> string(4) "five" } array(5) { [0]=> string(3) "one" [1]=> string(3) "two" [2]=> string(5) "three" [3]=> string(4) "four" [4]=> string(4) "five" } array(2) { [0]=> string(4) "four" [1]=> string(4) "five" } *** Variation with first three Arguments *** array(3) { [0]=> string(3) "two" [1]=> string(5) "three" [2]=> string(4) "four" } array(0) { } array(1) { [0]=> string(3) "two" } array(3) { [0]=> string(3) "one" [1]=> string(3) "two" [2]=> string(5) "three" } array(0) { } array(2) { [0]=> string(3) "one" [1]=> string(3) "two" } array(2) { [0]=> string(4) "four" [1]=> string(4) "five" } array(0) { } array(0) { } *** Variation with first two arguments with preserve_key value TRUE *** array(3) { [2]=> string(3) "two" [3]=> string(5) "three" [4]=> string(4) "four" } array(0) { } array(1) { [2]=> string(3) "two" } array(3) { [1]=> string(3) "one" [2]=> string(3) "two" [3]=> string(5) "three" } array(0) { } array(2) { [1]=> string(3) "one" [2]=> string(3) "two" } array(2) { [4]=> string(4) "four" [5]=> string(4) "five" } array(0) { } array(0) { } *** Iteration 7 *** *** Variation with first two Arguments *** array(4) { [0]=> string(3) "two" [1]=> int(7) [2]=> string(4) "four" [3]=> string(4) "five" } array(5) { [0]=> string(3) "one" [1]=> string(3) "two" [2]=> int(7) [3]=> string(4) "four" [4]=> string(4) "five" } array(2) { [0]=> string(4) "four" [1]=> string(4) "five" } *** Variation with first three Arguments *** array(3) { [0]=> string(3) "two" [1]=> int(7) [2]=> string(4) "four" } array(0) { } array(1) { [0]=> string(3) "two" } array(3) { [0]=> string(3) "one" [1]=> string(3) "two" [2]=> int(7) } array(0) { } array(2) { [0]=> string(3) "one" [1]=> string(3) "two" } array(2) { [0]=> string(4) "four" [1]=> string(4) "five" } array(0) { } array(0) { } *** Variation with first two arguments with preserve_key value TRUE *** array(3) { [2]=> string(3) "two" [3]=> int(7) [4]=> string(4) "four" } array(0) { } array(1) { [2]=> string(3) "two" } array(3) { [1]=> string(3) "one" [2]=> string(3) "two" [3]=> int(7) } array(0) { } array(2) { [1]=> string(3) "one" [2]=> string(3) "two" } array(2) { [4]=> string(4) "four" [5]=> string(4) "five" } array(0) { } array(0) { } *** Iteration 8 *** *** Variation with first two Arguments *** array(9) { [0]=> string(3) "one" [1]=> int(6) [""]=> string(5) "blank" [2]=> string(5) "float" ["F"]=> string(3) "FFF" ["blank"]=> string(0) "" [3]=> float(3.7) [4]=> string(4) "Five" [5]=> float(8.6) } array(10) { ["f"]=> string(3) "fff" [0]=> string(3) "one" [1]=> int(6) [""]=> string(5) "blank" [2]=> string(5) "float" ["F"]=> string(3) "FFF" ["blank"]=> string(0) "" [3]=> float(3.7) [4]=> string(4) "Five" [5]=> float(8.6) } array(2) { [0]=> string(4) "Five" [1]=> float(8.6) } *** Variation with first three Arguments *** array(3) { [0]=> string(3) "one" [1]=> int(6) [""]=> string(5) "blank" } array(0) { } array(6) { [0]=> string(3) "one" [1]=> int(6) [""]=> string(5) "blank" [2]=> string(5) "float" ["F"]=> string(3) "FFF" ["blank"]=> string(0) "" } array(3) { ["f"]=> string(3) "fff" [0]=> string(3) "one" [1]=> int(6) } array(0) { } array(7) { ["f"]=> string(3) "fff" [0]=> string(3) "one" [1]=> int(6) [""]=> string(5) "blank" [2]=> string(5) "float" ["F"]=> string(3) "FFF" ["blank"]=> string(0) "" } array(2) { [0]=> string(4) "Five" [1]=> float(8.6) } array(0) { } array(0) { } *** Variation with first two arguments with preserve_key value TRUE *** array(3) { [1]=> string(3) "one" [4]=> int(6) [""]=> string(5) "blank" } array(0) { } array(6) { [1]=> string(3) "one" [4]=> int(6) [""]=> string(5) "blank" [2]=> string(5) "float" ["F"]=> string(3) "FFF" ["blank"]=> string(0) "" } array(3) { ["f"]=> string(3) "fff" [1]=> string(3) "one" [4]=> int(6) } array(0) { } array(7) { ["f"]=> string(3) "fff" [1]=> string(3) "one" [4]=> int(6) [""]=> string(5) "blank" [2]=> string(5) "float" ["F"]=> string(3) "FFF" ["blank"]=> string(0) "" } array(2) { [5]=> string(4) "Five" [6]=> float(8.6) } array(0) { } array(0) { } *** Iteration 9 *** *** Variation with first two Arguments *** array(3) { [0]=> string(4) "name" [1]=> string(3) "age" [2]=> string(2) "45" } array(4) { [0]=> int(12) [1]=> string(4) "name" [2]=> string(3) "age" [3]=> string(2) "45" } array(2) { [0]=> string(3) "age" [1]=> string(2) "45" } *** Variation with first three Arguments *** array(3) { [0]=> string(4) "name" [1]=> string(3) "age" [2]=> string(2) "45" } array(0) { } array(0) { } array(3) { [0]=> int(12) [1]=> string(4) "name" [2]=> string(3) "age" } array(0) { } array(1) { [0]=> int(12) } array(2) { [0]=> string(3) "age" [1]=> string(2) "45" } array(0) { } array(0) { } *** Variation with first two arguments with preserve_key value TRUE *** array(3) { [1]=> string(4) "name" [2]=> string(3) "age" [3]=> string(2) "45" } array(0) { } array(0) { } array(3) { [0]=> int(12) [1]=> string(4) "name" [2]=> string(3) "age" } array(0) { } array(1) { [0]=> int(12) } array(2) { [2]=> string(3) "age" [3]=> string(2) "45" } array(0) { } array(0) { } *** Iteration 10 *** *** Variation with first two Arguments *** array(2) { [0]=> array(5) { [0]=> int(10) [1]=> int(20) [2]=> int(30) [3]=> int(40) [4]=> int(50) } [1]=> array(0) { } } array(3) { [0]=> array(3) { [0]=> string(3) "oNe" [1]=> string(3) "tWo" [2]=> int(4) } [1]=> array(5) { [0]=> int(10) [1]=> int(20) [2]=> int(30) [3]=> int(40) [4]=> int(50) } [2]=> array(0) { } } array(2) { [0]=> array(5) { [0]=> int(10) [1]=> int(20) [2]=> int(30) [3]=> int(40) [4]=> int(50) } [1]=> array(0) { } } *** Variation with first three Arguments *** array(2) { [0]=> array(5) { [0]=> int(10) [1]=> int(20) [2]=> int(30) [3]=> int(40) [4]=> int(50) } [1]=> array(0) { } } array(0) { } array(0) { } array(3) { [0]=> array(3) { [0]=> string(3) "oNe" [1]=> string(3) "tWo" [2]=> int(4) } [1]=> array(5) { [0]=> int(10) [1]=> int(20) [2]=> int(30) [3]=> int(40) [4]=> int(50) } [2]=> array(0) { } } array(0) { } array(0) { } array(2) { [0]=> array(5) { [0]=> int(10) [1]=> int(20) [2]=> int(30) [3]=> int(40) [4]=> int(50) } [1]=> array(0) { } } array(0) { } array(0) { } *** Variation with first two arguments with preserve_key value TRUE *** array(2) { [1]=> array(5) { [0]=> int(10) [1]=> int(20) [2]=> int(30) [3]=> int(40) [4]=> int(50) } [2]=> array(0) { } } array(0) { } array(0) { } array(3) { [0]=> array(3) { [0]=> string(3) "oNe" [1]=> string(3) "tWo" [2]=> int(4) } [1]=> array(5) { [0]=> int(10) [1]=> int(20) [2]=> int(30) [3]=> int(40) [4]=> int(50) } [2]=> array(0) { } } array(0) { } array(0) { } array(2) { [1]=> array(5) { [0]=> int(10) [1]=> int(20) [2]=> int(30) [3]=> int(40) [4]=> int(50) } [2]=> array(0) { } } array(0) { } array(0) { } *** Typical Variation of offset and length Arguments *** array(1) { [1]=> string(3) "Two" } array(1) { [0]=> string(3) "Two" } array(1) { [2]=> string(5) "Three" } array(1) { [0]=> string(5) "Three" }