1--TEST-- 2Test join() function : usage variations - different values for 'pieces' argument 3--FILE-- 4<?php 5/* 6 * test join() by giving different pieces values 7*/ 8 9echo "*** Testing join() : usage variations ***\n"; 10 11$pieces_arrays = array ( 12 array(1, 2), // array with default keys and numrice values 13 array(1.1, 2.2), // array with default keys & float values 14 array( array(2), array(1)), // sub arrays 15 array(false,true), // array with default keys and boolean values 16 array(), // empty array 17 array(NULL), // array with NULL 18 array("a","aaaa","b","bbbb","c","ccccc"), 19 20 // associative arrays 21 array(1 => "one", 2 => "two", 3 => "three"), // explicit numeric keys, string values 22 array("one" => 1, "two" => 2, "three" => 3 ), // string keys & numeric values 23 array( 1 => 10, 2 => 20, 4 => 40, 3 => 30), // explicit numeric keys and numeric values 24 array( "one" => "ten", "two" => "twenty", "three" => "thirty"), // string key/value 25 array("one" => 1, 2 => "two", 4 => "four"), //mixed 26 27 // associative array, containing null/empty/boolean values as key/value 28 array(NULL => "NULL", null => "null", "NULL" => NULL, "null" => null), 29 array(true => "true", false => "false", "false" => false, "true" => true), 30 array("" => "emptyd", '' => 'emptys', "emptyd" => "", 'emptys' => ''), 31 array(1 => '', 2 => "", 3 => NULL, 4 => null, 5 => false, 6 => true), 32 array('' => 1, "" => 2, NULL => 3, null => 4, false => 5, true => 6), 33 34 // array with repetitive keys 35 array("One" => 1, "two" => 2, "One" => 10, "two" => 20, "three" => 3) 36); 37 38// a multichar glue value 39$glue = "], ["; 40 41// loop through each $pieces_arrays element and call join() 42$iteration = 1; 43for($index = 0; $index < count($pieces_arrays); $index ++) { 44 echo "-- Iteration $iteration --\n"; 45 var_dump( join($glue, $pieces_arrays[$index]) ); 46 $iteration ++; 47} 48 49echo "Done\n"; 50?> 51--EXPECTF-- 52*** Testing join() : usage variations *** 53-- Iteration 1 -- 54string(6) "1], [2" 55-- Iteration 2 -- 56string(10) "1.1], [2.2" 57-- Iteration 3 -- 58 59Warning: Array to string conversion in %s on line %d 60 61Warning: Array to string conversion in %s on line %d 62string(14) "Array], [Array" 63-- Iteration 4 -- 64string(5) "], [1" 65-- Iteration 5 -- 66string(0) "" 67-- Iteration 6 -- 68string(0) "" 69-- Iteration 7 -- 70string(36) "a], [aaaa], [b], [bbbb], [c], [ccccc" 71-- Iteration 8 -- 72string(19) "one], [two], [three" 73-- Iteration 9 -- 74string(11) "1], [2], [3" 75-- Iteration 10 -- 76string(20) "10], [20], [40], [30" 77-- Iteration 11 -- 78string(23) "ten], [twenty], [thirty" 79-- Iteration 12 -- 80string(16) "1], [two], [four" 81-- Iteration 13 -- 82string(12) "null], [], [" 83-- Iteration 14 -- 84string(22) "true], [false], [], [1" 85-- Iteration 15 -- 86string(14) "emptys], [], [" 87-- Iteration 16 -- 88string(21) "], [], [], [], [], [1" 89-- Iteration 17 -- 90string(11) "4], [5], [6" 91-- Iteration 18 -- 92string(13) "10], [20], [3" 93Done 94