Opcode caching improves WordPress performance by storing precompiled PHP code in memory, reducing the need for repeated parsing and compilation. On ruachost.com, you can use APC (Alternative PHP Cache) or OPcache to speed up your WordPress site.
About APC and OPcache
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APC (Alternative PHP Cache)
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A PHP extension available for PHP 5.4 and earlier.
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Provides opcode caching and user data caching.
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May or may not already be installed on your server.
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OPcache
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A drop‑in replacement for APC.
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Built into PHP 5.5 and later as a core component.
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No separate installation required.
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Using APC or OPcache with WordPress
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When APC or OPcache is installed on your server, no additional configuration is required in WordPress.
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They operate at the web server level, so WordPress automatically benefits from faster page delivery.
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WordPress itself does not need special settings to take advantage of opcode caching.
Notes
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