Five underused modern PHP features that can sharpen your backend code

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A technical overview highlights five built-in PHP features that many developers overlook despite their practical benefits. Generators allow large files or datasets to be processed one item at a time, dramatically cutting memory usage — benchmarks show a drop from 462MB to roughly 0.3MB when reading a million-row CSV. Named Arguments, introduced in PHP 8, improve code readability and let developers skip optional positional parameters without repeating defaults. Fibers are described as low-level concurrency primitives that underpin async frameworks rather than acting as standalone async/await replacements. The piece argues these tools ship with modern PHP and address common backend pain points around memory, clarity, and concurrency.

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