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How to submit the required values to the database using html key switches

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When inserting data encapsulated by the PHP class, the insertion is always unsuccessful and false is returned;

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FromPHP

When inserting data encapsulated by the PHP class, the insertion is always unsuccessful and false is returned;

2021-10-136 answers

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When inserting data encapsulated by the PHP class, the insertion is always unsuccessful and false is returned;

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Iterate through all files in a directory

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Does $this in PHP represent the current class or method?

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