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--TEST-- Test join() function : usage variations - unexpected values for 'pieces' argument(Bug#42789) --FILE-- <?php /* Prototype : string join( string $glue, array $pieces ) * Description: Join array elements with a string * Source code: ext/standard/string.c * Alias of function: implode() */ /* * test join() by passing different unexpected value for pieces argument */ echo "*** Testing join() : usage variations ***\n"; // initialize all required variables $glue = '::'; // get an unset variable $unset_var = array(1, 2); unset($unset_var); // get a resouce variable $fp = fopen(__FILE__, "r"); // define a class class test { var $t = 10; var $p = 10; function __toString() { return "testObject"; } } // array with different values $values = array ( // integer values 0, 1, 12345, -2345, // float values 10.5, -10.5, 10.5e10, 10.6E-10, .5, // boolean values true, false, TRUE, FALSE, // string values "string", 'string', // objects new test(), // empty string "", '', // null vlaues NULL, null, // resource variable $fp, // undefined variable @$undefined_var, // unset variable @$unset_var ); // loop through each element of the array and check the working of join() // when $pieces argument is supplied with different values echo "\n--- Testing join() by supplying different values for 'pieces' argument ---\n"; $counter = 1; for($index = 0; $index < count($values); $index ++) { echo "-- Iteration $counter --\n"; $pieces = $values [$index]; var_dump( join($glue, $pieces) ); $counter ++; } // close the resources used fclose($fp); echo "Done\n"; ?> --EXPECTF-- *** Testing join() : usage variations *** --- Testing join() by supplying different values for 'pieces' argument --- -- Iteration 1 -- Warning: join(): Invalid arguments passed in %s on line %d NULL -- Iteration 2 -- Warning: join(): Invalid arguments passed in %s on line %d NULL -- Iteration 3 -- Warning: join(): Invalid arguments passed in %s on line %d NULL -- Iteration 4 -- Warning: join(): Invalid arguments passed in %s on line %d NULL -- Iteration 5 -- Warning: join(): Invalid arguments passed in %s on line %d NULL -- Iteration 6 -- Warning: join(): Invalid arguments passed in %s on line %d NULL -- Iteration 7 -- Warning: join(): Invalid arguments passed in %s on line %d NULL -- Iteration 8 -- Warning: join(): Invalid arguments passed in %s on line %d NULL -- Iteration 9 -- Warning: join(): Invalid arguments passed in %s on line %d NULL -- Iteration 10 -- Warning: join(): Invalid arguments passed in %s on line %d NULL -- Iteration 11 -- Warning: join(): Invalid arguments passed in %s on line %d NULL -- Iteration 12 -- Warning: join(): Invalid arguments passed in %s on line %d NULL -- Iteration 13 -- Warning: join(): Invalid arguments passed in %s on line %d NULL -- Iteration 14 -- Warning: join(): Invalid arguments passed in %s on line %d NULL -- Iteration 15 -- Warning: join(): Invalid arguments passed in %s on line %d NULL -- Iteration 16 -- Warning: join(): Invalid arguments passed in %s on line %d NULL -- Iteration 17 -- Warning: join(): Invalid arguments passed in %s on line %d NULL -- Iteration 18 -- Warning: join(): Invalid arguments passed in %s on line %d NULL -- Iteration 19 -- Warning: join(): Invalid arguments passed in %s on line %d NULL -- Iteration 20 -- Warning: join(): Invalid arguments passed in %s on line %d NULL -- Iteration 21 -- Warning: join(): Invalid arguments passed in %s on line %d NULL -- Iteration 22 -- Warning: join(): Invalid arguments passed in %s on line %d NULL -- Iteration 23 -- Warning: join(): Invalid arguments passed in %s on line %d NULL Done