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--TEST-- Test vprintf() function : usage variations - unexpected values for args argument --FILE-- <?php /* Prototype : string vprintf(string format, array args) * Description: Output a formatted string * Source code: ext/standard/formatted_print.c */ /* * Test vprintf() when different unexpected values are passed to * the '$args' arguments of the function */ echo "*** Testing vprintf() : with unexpected values for args argument ***\n"; // initialising the required variables $format = '%s'; //get an unset variable $unset_var = 10; unset ($unset_var); // declaring a class class sample { public function __toString() { return "object"; } } // Defining resource $file_handle = fopen(__FILE__, 'r'); //array of values to iterate over $values = array( // int data /*1*/ 0, 1, 12345, -2345, // float data /*5*/ 10.5, -10.5, 10.1234567e10, 10.7654321E-10, .5, // null data /*10*/ NULL, null, // boolean data /*12*/ true, false, TRUE, FALSE, // empty data /*16*/ "", '', // string data /*18*/ "string", 'string', // object data /*20*/ new sample(), // undefined data /*21*/ @$undefined_var, // unset data /*22*/ @$unset_var, // resource data /*23*/ $file_handle ); // loop through each element of the array for args $counter = 1; foreach($values as $value) { echo "\n-- Iteration $counter --\n"; $result = vprintf($format,$value); echo "\n"; var_dump($result); $counter++; }; // closing the resource fclose($file_handle); ?> ===DONE=== --EXPECTF-- *** Testing vprintf() : with unexpected values for args argument *** -- Iteration 1 -- 0 int(1) -- Iteration 2 -- 1 int(1) -- Iteration 3 -- 12345 int(5) -- Iteration 4 -- -2345 int(5) -- Iteration 5 -- 10.5 int(4) -- Iteration 6 -- -10.5 int(5) -- Iteration 7 -- 101234567000 int(12) -- Iteration 8 -- 1.07654321E-9 int(13) -- Iteration 9 -- 0.5 int(3) -- Iteration 10 -- Warning: vprintf(): Too few arguments in %s on line %d bool(false) -- Iteration 11 -- Warning: vprintf(): Too few arguments in %s on line %d bool(false) -- Iteration 12 -- 1 int(1) -- Iteration 13 -- int(0) -- Iteration 14 -- 1 int(1) -- Iteration 15 -- int(0) -- Iteration 16 -- int(0) -- Iteration 17 -- int(0) -- Iteration 18 -- string int(6) -- Iteration 19 -- string int(6) -- Iteration 20 -- Warning: vprintf(): Too few arguments in %s on line %d bool(false) -- Iteration 21 -- Warning: vprintf(): Too few arguments in %s on line %d bool(false) -- Iteration 22 -- Warning: vprintf(): Too few arguments in %s on line %d bool(false) -- Iteration 23 -- Resource id #%d int(%d) ===DONE===