Wiki Article · Cinematic

Copyright (c) A|iens. All rights reserved.

Name: OPcache.md Version: 1.0.0 Author: A'nil Cyborg Author URI: https://aliens.company Requires:…

Overview

Copyright (c) A|iens. All rights reserved. — Quick Facts

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Row: 2546: Slug: OPcache -->

Topic 1

Infobox

📚 | Property | Detail | |---|---| | Full Name | OPcache (Zend OPcache) | | Also Known As |…

Topic 2

History aur Background

💡 APC Era (2003–2012) APC (Alternative PHP Cache) PHP community ka go-to opcode cache tha.…

Topic 3

PHP Execution Without OPcache

🎯 Har PHP request par bina OPcache ke ye steps hote hain: Step 1: Lexing / Tokenizing PHP…

Topic 4

How OPcache Works

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Parse + compile time completely…

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Memory me opcodes shared hain…

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Significant CPU aur time saving

Topic 5

PHP Request Lifecycle — Diagram

🔑 `mermaid flowchart TD subgraph Without_OPcache["WITHOUT OPcache (Every Request)"] A1[HTTP…

Topic 6

Key Configuration Directives — Table

✨ | Directive | Default | Recommended (Production) | Description | |---|---|---|---| |…

Topic 7

Performance Impact

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Request throughput: 2x–5x increase…

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Response time: 30%–60% decrease

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CPU usage: Significant reduction…

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Memory per worker: Slightly…

Topic 8

OPcache Internals

🚀 Shared Memory (SHM) OPcache ek shared memory segment allocate karta hai…

Topic 9

Production vs Development Settings

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Validate timestamps=1 taake code…

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Revalidate freq=0 taake har…

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Comfortable defaults for local…

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Validate timestamps=0 — fastest,…

Topic 10

Common Issues aur Troubleshooting

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Memory usage (used/free/wasted)

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Number of cached files

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Cache hit rate (hits vs misses)

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Restart count

Topic 11

OPcache with PHP 8.x — JIT

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Tracing JIT — Runtime me hot…

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Function JIT — Function level par…

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CPU-intensive tasks — Mathematical…

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Typical web requests — Marginal…

Topic 12

Best Practices

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Cache hit ratio track karo — 99%+…

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Memory usage monitor karo — wasted…

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Restart count track karo —…

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OPcache admin page (like…

Topic 13

Glossary

🔑 | Term | Meaning | |---|---| | OPcache | PHP extension jo compiled opcode ko shared…

Topic 14

Disclaimer

✨ Ye article sirf educational aur informational purpose ke liye hai. Isme diye gaye facts,…

Topic 15

ACC CodeFooter

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Article: OPcache

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Version: 1.0.0

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Author: A'nil Cyborg

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Generated: 2025

Diagram

Visual Flow

📊 Diagram visualization — details in narration

Quiz — Question 1

Complete! 🎉

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