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This article mainly introduces "how to read files line by line by PHP". In daily operation, I believe that many people have doubts about how to read files line by line in PHP. The editor consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful to answer the doubts of "how to read files line by line in PHP". Next, please follow the editor to study!

Detect the end of the file (EOF)

The feof () function detects whether the end of the file (EOF) has been reached.

The feof () function is useful when iterating through data of unknown length.

Note: you cannot read open files in w, a, and x modes!

If (feof ($file)) echo "end of file"

Read files line by line

The fgets () function is used to read files line by line from the file.

Note: after calling this function, the file pointer moves to the next line.

Example

The following example reads the file line by line until the end of the file:

At this point, the study on "how to read files line by line by PHP" is over. I hope to be able to solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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