1--TEST-- 2Test join() function : usage variations - sub array as argument 3--FILE-- 4<?php 5/* Prototype : string join( string $glue, array $pieces ) 6 * Description: Join array elements with a string 7 * Source code: ext/standard/string.c 8 * Alias of function: implode() 9*/ 10 11/* 12 * test join() by passing pieces as array containing sub array(s) 13*/ 14 15echo "*** Testing implode() : usage variations - sub arrays ***\n"; 16$sub_array = array(array(1,2,3,4), array(1 => "one", 2 => "two"), "PHP", 50); 17 18// pieces as array containing sub array 19var_dump( join("TEST", $sub_array) ); 20 21// glue as array & pieces as array containing sub array 22var_dump( join(array(1, 2, 3, 4), $sub_array) ); 23 24// numeric value as glue, pieces as array containg sub array 25var_dump( join(2, $sub_array) ); 26 27// using directly the sub_array as pieces 28var_dump( join(", ", $sub_array[0]) ); 29var_dump( join(", ", $sub_array[1]) ); 30 31echo "Done\n"; 32?> 33--EXPECTF-- 34*** Testing implode() : usage variations - sub arrays *** 35 36Notice: Array to string conversion in %s on line %d 37 38Notice: Array to string conversion in %s on line %d 39string(27) "ArrayTESTArrayTESTPHPTEST50" 40 41Notice: Array to string conversion in %s on line %d 42 43Deprecated: join(): Passing glue string after array is deprecated. Swap the parameters in %s on line %d 44string(19) "1Array2Array3Array4" 45 46Notice: Array to string conversion in %s on line %d 47 48Notice: Array to string conversion in %s on line %d 49string(18) "Array2Array2PHP250" 50string(10) "1, 2, 3, 4" 51string(8) "one, two" 52Done 53