NULL
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<b>Notice</b>:  Trying to access array offset on value of type null in <b>/var/www/html/index.php</b> on line <b>47</b><br />
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<b>Notice</b>:  Trying to access array offset on value of type null in <b>/var/www/html/index.php</b> on line <b>47</b><br />
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<b>Notice</b>:  Trying to access array offset on value of type null in <b>/var/www/html/index.php</b> on line <b>48</b><br />
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<b>Notice</b>:  Undefined variable: message in <b>/var/www/html/index.php</b> on line <b>56</b><br />
string(381) "AAABC+4TJ2OVrhzYj5T0ZXKSwd6jxw+c2VydmVySWQ+Zq2+GJu1hPk50n2/VJYrNvMZUozV9iT+E8BnYVgLVVDKgdblDEOJ40kB3doirbQ8J8gLD9duOn72X+e+PlmYvLQv6f/KJC+ERVAloR3x1hSrJG5PFiq8uFHC8ONE9rGWFRatxnm+ZiHYm/plf3Ry6psflCwTANGUCB9NA+SlPsoqnrwCvxUy66G09H47XjKrNjJK19duIUiavOkCwDjj8mUtysD07xJJWL2M5zUWe+4PZGPUtFm15kRmh6P+DoQeI/ioEkTdFMy8KgoD8KfTvw53E2FRY9UGQantZfoFIb4iCMiw8VjFDgbJ8CSfnrFiyrqsdVx//R8568EGnG"
string(22) "--テキスト送信--"
string(63) "{"accountId":null,"content":{"type":"text","text":"rich menu"}}"
{"code":"NOT_FOUND","domain":"common","message":"Api not exists"}