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--TEST-- Test sprintf() function : usage variations - unexpected values for format argument --FILE-- <?php /* Prototype : string sprintf(string $format [, mixed $arg1 [, mixed ...]]) * Description: Return a formatted string * Source code: ext/standard/formatted_print.c */ /* * Testing sprintf() : with different unexpected values for format argument other than the strings */ echo "*** Testing sprintf() : with unexpected values for format argument ***\n"; // initialing required variables $arg1 = "second arg"; $arg2 = "third arg"; //get an unset variable $unset_var = 10; unset ($unset_var); // declaring class class sample { public function __toString() { return "Object"; } } // creating a file resource $file_handle = fopen(__FILE__, 'r'); //array of values to iterate over $values = array( // int data 0, 1, 12345, -2345, // float data 10.5, -10.5, 10.1234567e10, 10.7654321E-10, .5, // array data array(), array(0), array(1), array(1, 2), array('color' => 'red', 'item' => 'pen'), // null data NULL, null, // boolean data true, false, TRUE, FALSE, // empty data "", '', // object data new sample(), // undefined data @$undefined_var, // unset data @$unset_var, // resource data $file_handle ); // loop through each element of the array for format $count = 1; foreach($values as $value) { echo "\n-- Iteration $count --\n"; // with default argument var_dump( sprintf($value) ); // with two arguments var_dump( sprintf($value, $arg1) ); // with three arguments var_dump( sprintf($value, $arg1, $arg2) ); $count++; }; // close the resource fclose($file_handle); echo "Done"; ?> --EXPECTF-- *** Testing sprintf() : with unexpected values for format argument *** -- Iteration 1 -- string(1) "0" string(1) "0" string(1) "0" -- Iteration 2 -- string(1) "1" string(1) "1" string(1) "1" -- Iteration 3 -- string(5) "12345" string(5) "12345" string(5) "12345" -- Iteration 4 -- string(5) "-2345" string(5) "-2345" string(5) "-2345" -- Iteration 5 -- string(4) "10.5" string(4) "10.5" string(4) "10.5" -- Iteration 6 -- string(5) "-10.5" string(5) "-10.5" string(5) "-10.5" -- Iteration 7 -- string(12) "101234567000" string(12) "101234567000" string(12) "101234567000" -- Iteration 8 -- string(13) "1.07654321E-9" string(13) "1.07654321E-9" string(13) "1.07654321E-9" -- Iteration 9 -- string(3) "0.5" string(3) "0.5" string(3) "0.5" -- Iteration 10 -- Notice: Array to string conversion in %s on line %d string(5) "Array" Notice: Array to string conversion in %s on line %d string(5) "Array" Notice: Array to string conversion in %s on line %d string(5) "Array" -- Iteration 11 -- Notice: Array to string conversion in %s on line %d string(5) "Array" Notice: Array to string conversion in %s on line %d string(5) "Array" Notice: Array to string conversion in %s on line %d string(5) "Array" -- Iteration 12 -- Notice: Array to string conversion in %s on line %d string(5) "Array" Notice: Array to string conversion in %s on line %d string(5) "Array" Notice: Array to string conversion in %s on line %d string(5) "Array" -- Iteration 13 -- Notice: Array to string conversion in %s on line %d string(5) "Array" Notice: Array to string conversion in %s on line %d string(5) "Array" Notice: Array to string conversion in %s on line %d string(5) "Array" -- Iteration 14 -- Notice: Array to string conversion in %s on line %d string(5) "Array" Notice: Array to string conversion in %s on line %d string(5) "Array" Notice: Array to string conversion in %s on line %d string(5) "Array" -- Iteration 15 -- string(0) "" string(0) "" string(0) "" -- Iteration 16 -- string(0) "" string(0) "" string(0) "" -- Iteration 17 -- string(1) "1" string(1) "1" string(1) "1" -- Iteration 18 -- string(0) "" string(0) "" string(0) "" -- Iteration 19 -- string(1) "1" string(1) "1" string(1) "1" -- Iteration 20 -- string(0) "" string(0) "" string(0) "" -- Iteration 21 -- string(0) "" string(0) "" string(0) "" -- Iteration 22 -- string(0) "" string(0) "" string(0) "" -- Iteration 23 -- string(6) "Object" string(6) "Object" string(6) "Object" -- Iteration 24 -- string(0) "" string(0) "" string(0) "" -- Iteration 25 -- string(0) "" string(0) "" string(0) "" -- Iteration 26 -- string(%d) "Resource id #%d" string(%d) "Resource id #%d" string(%d) "Resource id #%d" Done