How can you write a custom PHP script loop to read a 100MB CSV file without running out of server system memory allocations?

Question

I am attempting to parse a massive backup database CSV array using a standard file_get_contents() statement but my server keeps triggering a fatal memory exhaustion error. What stream wrapper resolves this?

DevExpert · Answer

Never load a massive file completely into system memory arrays at once. Utilize a streaming resource handle via the native fopen() function then execute a while loop utilizing fgetcsv($handle) to read process and clear a single row line at a time keeping memory usage minimal.

How can you write a custom PHP script loop to read a 100MB CSV file without running out of server system memory allocations?

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