Weak PHP language and strong JAVA computing type. today, because of a java int type data, PHP does not differentiate int and String types and finds bugs in js for one day. programs are afraid of unexpected errors such as null values, weak types, and forced type conversion. Today, freemarker is used to display the weak PHP language in the background and the strong type of JAVA computing.
Today, because of a java int type of data, PHP does not differentiate the int and String types, and finds bugs in js for one day.
When writing a program, you may encounter errors that are hard to detect, such as null values, weak types, and forced type conversion.
Today, when freemarker is used to display the back-end Upload list, an error is reported. if freemarker encounters a null value, XX does not define it. this is a weakness of freemarker and does not ignore null values.
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