Sometimes, we want to read a large file line by line in PHP.
In this article, we’ll look at how to read a large file line by line in PHP.
How to read a large file line by line in PHP?
To read a large file line by line in PHP, we call the fopen function.
For instance, we write
$handle = fopen("inputfile.txt", "r");
if ($handle) {
while (($line = fgets($handle)) !== false) {
// ...
}
fclose($handle);
} else {
// ...
}
to call fopen with the path to the file we want to read and the permission string.
'r' stands for read.
Then we call fgets with the $handle to read the file and get the next $line from the file.
We do that in the while loop header to read all the $lines until $line is false.
Then we call fclose to close the file.
If $handle is false, then the file can’t be read.
Conclusion
To read a large file line by line in PHP, we call the fopen function.
