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) "AAABCsp9/QE1p8+jDg0sIe3B20AT7P+c2VydmVySWQ+4FaEW7GV6BridOL7cScYZRrjfggalE5C3R6qtymqi9itJ5oV1twdhZpz+vxrtSxTL55sB3OATOiBhfEb5/DFo0mAPWJQhr0ZL/HrYqnFizjzK2iYYQ1MFeHh4eyA2V0++CbjCtKd+jlmPT6+69oySUd4nLZ7grQf0Z+oEOjp8TJgx/8HktIuZlR7InFhYn+eBkNyoDQ0PukTUKqvL0c4SOtzg7ZGYilPTHcnEkUfODpcq6Vif48A9IHmjfA77CJC1m8iKBmyMtH+ZnHLtOXKiNpCJ7WhgmQplIWHTSgtjBSNykfppvPqTZBUQ6QeTNFxa0swdeMODFEcaU1vim"
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"}