INDEPENDENT TECHNICAL WRITING
Field notes from the build log.
Practical PHP, WordPress, systems and automation notes from real work — the fixes, trade-offs and implementation details that usually disappear after a project ships.
By Rohit Kumar — PHP Technical Lead & Backend Architect
BUILD LOG INDEX
Channels
PHP / CMS / Systems
Format
Notes / fixes / experiments
Archive
2012 — now
Explore by work
Choose the kind of problem you are trying to solve.
CURRENT SIGNAL
Latest from the build log
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PreviewForm 2.0: Review Form Data Before Submit
PreviewForm 2.0 adds an accessible review step before form submission. Install it from npm and use it with JavaScript or the jQuery adapter.
Read article →: PreviewForm 2.0: Review Form Data Before Submit5–8 minutes
Recently documented
Fresh implementation notes, field fixes and reusable patterns.
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Order WordPress Posts by the Current User ID
Prioritize the current user’s WordPress posts with a scoped WP_Query filter or a secure prepared SQL query using the post_author column.
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How I Built a Network-Wide Ad Blocker with Raspberry Pi, AdGuard Home, and a Locked Airtel Router
Airtel locked its DNS settings, so I used a Raspberry Pi 3B+, AdGuard Home, and an old Huawei router to filter my entire home…
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Cascading Dropdown Using Ajax, PHP, and MySQL
Dependent dropdown with Ajax and PHP is a common script, so I created one for developers. This post is about how to create dependent…
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Cryptex x86 for Windows Vista and 7: A Legacy Security Project Revisited
Revisit the Cryptex x86 Windows Vista and 7 project, its three security modes, old limitations, and safer modern alternatives.
Reader favourites from the archive
Older notes that still solve practical problems.
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STILL USEFUL
Backup And Restore class Mysql Database Using PHP Script
The Backup Dilemma: Why Your Server Won’t Let You Use mysqldump You face a frustrating problem. Most modern…
Read article →: Backup And Restore class Mysql Database Using PHP ScriptDiscussion
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STILL USEFUL
Fix Joomla File Upload Issues on Plesk CentOS
Fix silent Joomla upload failures on Plesk CentOS by checking active PHP limits, temp paths, Joomla settings, and…
Read article →: Fix Joomla File Upload Issues on Plesk CentOSDiscussion
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THE WIDER ENGINEERING RECORD
Built in production, documented in public.
BufferNow contains the practical notes. CodeMach contains the wider engineering record — backend modernization, enterprise CMS platforms, REST integrations, production systems and delivery leadership.
PHP · Laravel · Symfony · WordPress · REST APIs · MySQL · CMS Modernization · CI/CD
MAKER LAB
Beyond the browser
Small systems and utilities that keep engineering instincts practical.
RaspberryPi, Arduino
Practical notes on Pi projects, Arduino, networking & smart home setups
Developer Utilities
Scripts, snippets, CLI tools and small utilities that make daily development easier.
AI Workflows
Practical workflows and controlled automation that reduce repetitive work.
ABOUT THE AUTHOR
Implementation notes from the production edge.
Rohit Kumar writes about the implementation details that matter when documentation ends and production issues begin.