PHP 8.5 Delivers Mixed Performance Gains

Benchmarks tested 12 popular CMSs and frameworks on PHP 8.2–8.5 (and PHP 7.4 for WordPress) using Docker, MariaDB, and ApacheBench to measure requests per second. Most platforms show modest improvements—WordPress rose from 139 req/s (PHP 7.4) to 148 req/s (PHP 8.5); WooCommerce notably jumped to 71.02 req/s on PHP 8.5—while Laravel and others remained stable.
Key Points
- 1Show modest throughput gains: PHP 8.5 outperforms PHP 7.4 across tested platforms, notably WordPress
- 2Highlight significant platform variance: WooCommerce jumps ~33% on PHP 8.5, suggesting payload or rendering changes
- 3Advise prioritized upgrades: Sites on PHP 7.4 should upgrade and validate performance per platform
Scoring Rationale
Provides practical, reproducible PHP 8.5 performance data with clear upgrade guidance, but limited novelty and single-source benchmarking.
Sources
Public references used for this report.
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