--TEST-- Test htmlspecialchars_decode() function : usage variations - unexpected values for 'string' argument --FILE-- '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); echo "Done"; ?> --EXPECTF-- *** Testing htmlspecialchars_decode() : usage variations *** -- Iterator 1 -- unicode(1) "0" -- Iterator 2 -- unicode(1) "1" -- Iterator 3 -- unicode(5) "12345" -- Iterator 4 -- unicode(5) "-2345" -- Iterator 5 -- unicode(4) "10.5" -- Iterator 6 -- unicode(5) "-10.5" -- Iterator 7 -- unicode(12) "105000000000" -- Iterator 8 -- unicode(7) "1.06E-9" -- Iterator 9 -- unicode(3) "0.5" -- Iterator 10 -- Warning: htmlspecialchars_decode() expects parameter 1 to be string (Unicode or binary), array given in %s on line %d NULL -- Iterator 11 -- Warning: htmlspecialchars_decode() expects parameter 1 to be string (Unicode or binary), array given in %s on line %d NULL -- Iterator 12 -- Warning: htmlspecialchars_decode() expects parameter 1 to be string (Unicode or binary), array given in %s on line %d NULL -- Iterator 13 -- Warning: htmlspecialchars_decode() expects parameter 1 to be string (Unicode or binary), array given in %s on line %d NULL -- Iterator 14 -- Warning: htmlspecialchars_decode() expects parameter 1 to be string (Unicode or binary), array given in %s on line %d NULL -- Iterator 15 -- unicode(0) "" -- Iterator 16 -- unicode(0) "" -- Iterator 17 -- unicode(1) "1" -- Iterator 18 -- unicode(0) "" -- Iterator 19 -- unicode(1) "1" -- Iterator 20 -- unicode(0) "" -- Iterator 21 -- unicode(0) "" -- Iterator 22 -- unicode(0) "" -- Iterator 23 -- unicode(12) "ClassAObject" -- Iterator 24 -- unicode(0) "" -- Iterator 25 -- unicode(0) "" -- Iterator 26 -- Warning: htmlspecialchars_decode() expects parameter 1 to be string (Unicode or binary), resource given in %s on line %d NULL Done