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--TEST-- Test htmlspecialchars_decode() function : usage variations - unexpected values for 'string' argument --FILE-- <?php /* Prototype : string htmlspecialchars_decode(string $string [, int $quote_style]) * Description: Convert special HTML entities back to characters * Source code: ext/standard/html.c */ /* * testing htmlspecialchars_decode() with unexpected input values for $string argument */ echo "*** Testing htmlspecialchars_decode() : usage variations ***\n"; //get a class class classA { function __toString() { return "ClassAObject"; } } //get a resource variable $file_handle=fopen(__FILE__, "r"); //get an unset variable $unset_var = 10; unset($unset_var); //array of values to iterate over $values = array( // int data 0, 1, 12345, -2345, // float data 10.5, -10.5, 10.1234567e10, 10.7654321E-10, .5, // array data array(), array(0), array(1), array(1, 2), array('color' => 'red', 'item' => 'pen'), // null data NULL, null, // boolean data true, false, TRUE, FALSE, // empty data "", '', // object data new classA(), // undefined data @$undefined_var, // unset data @$unset_var, //resource $file_handle ); // loop through each element of the array for string $iterator = 1; foreach($values as $value) { echo "-- Iterator $iterator --\n"; var_dump( htmlspecialchars_decode($value) ); $iterator++; }; // close the file resource used fclose($file_handle); ?> ===DONE=== --EXPECTF-- *** Testing htmlspecialchars_decode() : usage variations *** -- Iterator 1 -- string(1) "0" -- Iterator 2 -- string(1) "1" -- Iterator 3 -- string(5) "12345" -- Iterator 4 -- string(5) "-2345" -- Iterator 5 -- string(4) "10.5" -- Iterator 6 -- string(5) "-10.5" -- Iterator 7 -- string(12) "101234567000" -- Iterator 8 -- string(13) "1.07654321E-9" -- Iterator 9 -- string(3) "0.5" -- Iterator 10 -- Warning: htmlspecialchars_decode() expects parameter 1 to be string, array given in %s on line %d NULL -- Iterator 11 -- Warning: htmlspecialchars_decode() expects parameter 1 to be string, array given in %s on line %d NULL -- Iterator 12 -- Warning: htmlspecialchars_decode() expects parameter 1 to be string, array given in %s on line %d NULL -- Iterator 13 -- Warning: htmlspecialchars_decode() expects parameter 1 to be string, array given in %s on line %d NULL -- Iterator 14 -- Warning: htmlspecialchars_decode() expects parameter 1 to be string, array given in %s on line %d NULL -- Iterator 15 -- string(0) "" -- Iterator 16 -- string(0) "" -- Iterator 17 -- string(1) "1" -- Iterator 18 -- string(0) "" -- Iterator 19 -- string(1) "1" -- Iterator 20 -- string(0) "" -- Iterator 21 -- string(0) "" -- Iterator 22 -- string(0) "" -- Iterator 23 -- string(12) "ClassAObject" -- Iterator 24 -- string(0) "" -- Iterator 25 -- string(0) "" -- Iterator 26 -- Warning: htmlspecialchars_decode() expects parameter 1 to be string, resource given in %s on line %d NULL ===DONE===