1--TEST-- 2Test join() function: error conditions 3--FILE-- 4<?php 5/* Prototype : string join( string $glue, array $pieces ) 6 * Description: Join array elements with a string 7 * Source code: ext/standard/string.c 8 * Alias of function: implode() 9*/ 10 11echo "*** Testing join() : error conditions ***\n"; 12 13// Zero argument 14echo "\n-- Testing join() function with Zero arguments --\n"; 15var_dump( join() ); 16 17// More than expected number of arguments 18echo "\n-- Testing join() function with more than expected no. of arguments --\n"; 19$glue = 'string_val'; 20$pieces = array(1, 2); 21$extra_arg = 10; 22 23var_dump( join($glue, $pieces, $extra_arg) ); 24 25// Less than expected number of arguments 26echo "\n-- Testing join() with less than expected no. of arguments --\n"; 27$glue = 'string_val'; 28 29var_dump( join($glue)); 30 31echo "Done\n"; 32?> 33--EXPECTF-- 34*** Testing join() : error conditions *** 35 36-- Testing join() function with Zero arguments -- 37 38Warning: join() expects at least 1 parameter, 0 given in %s on line %d 39NULL 40 41-- Testing join() function with more than expected no. of arguments -- 42 43Warning: join() expects at most 2 parameters, 3 given in %s on line %d 44NULL 45 46-- Testing join() with less than expected no. of arguments -- 47 48Warning: join(): Argument must be an array in %s on line %d 49NULL 50Done 51
