Beginner terms
Code Review
PHP 5.0+
3
A systematic peer examination of source code before merging, catching bugs, sharing knowledge, and enforcing standards.
6mo ago
General beginner
Colour Contrast
CSS3
3
The ratio between foreground and background colours — WCAG requires 4.5:1 for normal text and 3:1 for large text at AA level, ensuring readability for low-vision users.
6mo ago
Accessibility beginner
Comments as Code Smell
Excessive or explanatory comments often indicate that the code itself is too complex or poorly named to be self-explanatory.
6mo ago
Code Quality beginner
Common Regex Patterns
PHP 5.3+
Practical regex patterns for email, URL, phone, IP address, dates, and identifiers — with caveats about when to use dedicated validators instead.
6mo ago
Regex beginner
compact() & extract() — Variable Packing
PHP 5.0+
1
compact() builds an array from named variables; extract() does the reverse — both are dangerous when used with user-controlled input.
CWE-473 OWASP A3:2021
6mo ago
PHP beginner
Composer & Dependency Management
PHP 5.3+
4
PHP's standard dependency manager; composer.json declares dependencies and composer.lock pins exact versions for reproducible builds.
6mo ago
PHP beginner
Constants (define vs const)
PHP 5.0+
Named immutable values in PHP — const is compile-time and class-scoped; define() is runtime and supports dynamic names.
6mo ago
PHP beginner
Constructor Property Promotion (PHP 8.0)
PHP 8.0+
3
Declare and assign class properties directly in constructor parameters using visibility modifiers, eliminating boilerplate.
6mo ago
PHP beginner
Continuous Integration (CI)
PHP 5.0+
4
Automating the build, test, and analysis pipeline to run on every commit, surfacing integration failures quickly.
6mo ago
DevOps beginner
Conventional Commits
1
A commit message specification — type(scope): description — enabling automated changelogs, semantic versioning, and machine-readable history.
6mo ago
Style beginner
Cron Jobs
PHP 5.0+
3
Scheduled tasks defined in a crontab file, executing commands at specified time intervals — from once a minute to once a year.
6mo ago
Linux beginner
CSS Custom Properties (Variables)
CSS3
1
Native CSS variables — --primary-color: #4f9cff — that cascade, inherit, and can be updated at runtime via JavaScript.
6mo ago
Frontend beginner
CVSS
1
Common Vulnerability Scoring System — a 0–10 numeric score representing the severity of a security vulnerability.
6mo ago
Security beginner
CWE
1
Common Weakness Enumeration — a community-maintained list of software weakness types with unique numeric IDs.
6mo ago
Security beginner
Code Smell
3
A surface indication in code that usually corresponds to a deeper design problem — not a bug, but a maintainability risk.
7mo ago
Code Quality beginner