--TEST-- Test json_encode() function : error conditions --SKIPIF-- <?php if (!extension_loaded("json")) { die('skip JSON extension not available in this build'); } ?> --FILE-- <?php /* Prototype : string json_encode ( mixed $value [, int $options=0 ] ) * Description: Returns the JSON representation of a value * Source code: ext/json/php_json.c * Alias to functions: */ echo "*** Testing json_encode() : error conditions ***\n"; echo "\n-- Testing json_encode() function with no arguments --\n"; var_dump( json_encode() ); echo "\n-- Testing json_encode() function with more than expected no. of arguments --\n"; $extra_arg = 10; var_dump( json_encode("abc", 0, $extra_arg) ); ?> ===Done=== --EXPECTF-- *** Testing json_encode() : error conditions *** -- Testing json_encode() function with no arguments -- Warning: json_encode() expects at least 1 parameter, 0 given in %s on line %d NULL -- Testing json_encode() function with more than expected no. of arguments -- Warning: json_encode() expects at most 2 parameters, 3 given in %s on line %d NULL ===Done===