How to remove quotation marks on both sides of a string in php

php method to remove quotes on both sides of a string: first determine whether the CSV file has commas and double quotes; then read the csv file; and finally use the data splitting method to split the code.

php method to remove quotation marks on both sides of a string:

1. When writing a CSV file, you need to first Determine whether there are commas and double quotes, and follow the steps below to execute the appropriate processing code.

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2. Method code for reading CSV files .

#3. Data segmentation method code.

#4. Split the data as follows.

5. Commas in double quotation marks are not separated.

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