Preventing SQL Injection in CodeIgniter with Query Builder
Learn how to eliminate SQL injection risks in CodeIgniter by leveraging the Query Builder's automatic escaping and fluent interface over raw SQL strings.
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CodeIgniter 4: When to Use Query Builder vs. Raw SQL
Stop guessing between CodeIgniter 4's Query Builder and raw SQL. Learn when to use fluent methods for CRUD and when to drop into raw SQL for window functions and row-level locking.
Controlling SQL Injection Risk in CodeIgniter with the Query Builder
Learn how CodeIgniter's Query Builder reduces SQL injection risk through automatic escaping, and where raw strings and version differences can still expose your application.
Securing Database Interactions with the CodeIgniter 4 Query Builder
Learn how to use the CodeIgniter 4 Query Builder to prevent SQL injection and create database-agnostic queries through automatic escaping and method chaining.
Diagnosing 404 Errors in CodeIgniter 4: Routing & Rewrite Checklist
A concise 404‑diagnosis guide for CodeIgniter 4. Check .htaccess, base_url, routes, and server rewrites to fix clean‑URL failures quickly.
Diagnosing and Optimizing CodeIgniter 4 Pagination Performance
When CodeIgniter 4’s built‑in pagination slows on large tables, pinpointing the culprit is vital. This guide walks through the symptoms, a concise cause table, ordered checks, targeted fixes, and when to ask for help.
CodeIgniter Query Builder Returns Empty Results or Connection Errors: A Diagnostic Guide
CodeIgniter query builder returning empty results or connection errors despite correct SQL? Diagnose credentials, PHP extensions, driver mismatches, and environment config step by step.
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mysqlSEO-Friendly Pagination in CodeIgniter 4 Without Rewriting Queries
CodeIgniter 4's Paginator service handles page math and link generation, but you still own the total count, route shape, and view markup. Here is how to wire SEO-friendly pagination with minimal configuration and a publishable theme.
CodeIgniter 4 Pagination with Query Builder: How paginate() Works and Where It Breaks
How CodeIgniter 4's paginate() works under the hood — the count query, LIMIT/OFFSET generation, pager links, and the join and base-URL mistakes that silently break it.