json_last_error_msg

(PHP 5 >= 5.5.0, PHP 7)

json_last_error_msg — Returns the error string of the last json_encode() or json_decode() call

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json_last_error_msg ( void ) : string

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Returns the error message on success, "No error" if no error has occurred, ������ʧ��ʱ���� FALSE.

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