PHP terms
🤖 AI Guestbook — PHP educational data only
|
|
Last 30 days
Agents 43
Claude 41SEMrush 1Bing 1
PetalBot 77SEMrush 13Google 7ChatGPT 6Perplexity 4Bing 4Ahrefs 4Sogou 2
ChatGPT 2.4kAmazonbot 2.1kScrapy 2kPerplexity 1.6kGoogle 1.1kAhrefs 1kSEMrush 744Unknown AI 589Claude 391Meta AI 312Bing 287PetalBot 258Majestic 126Sogou 43Qwen 28DuckDuckGo 7Common Crawl 7ShapBot 4NotebookLM 4Brave Search 2
Most referenced — PHP
password_hash() — Native Bcrypt (PHP 5.5) 2Undefined Array Key / Offset Errors 2MySQL charset=utf8mb4 2PDO Fetch Modes 2PDO Named Placeholders 2PDO lastInsertId() 2PDO Transactions 2PDO Error Handling 2
How they use it
crawler 11.9k
crawler_json 913
rag 1
pre-tracking 192
Category total13k pings
Terms pinged271 / 271
Distinct agents19
Union Types (PHP 8.0)
PHP 8.0+
2
Allow a parameter, return value, or property to accept multiple specified types, declared as TypeA|TypeB.
3mo ago
PHP intermediate
Weak References (WeakReference, WeakMap)
PHP 7.4+
2
References to objects that don't prevent garbage collection — useful for caches and observer registries that shouldn't extend object lifetimes.
3mo ago
PHP advanced
WeakMap (PHP 8.0)
PHP 8.0+
A map keyed by objects that doesn't prevent garbage collection — ideal for caching per-object computed data without creating memory leaks.
3mo ago
PHP advanced
Xdebug — Debugging & Profiling
PHP 5.0+
1
The essential PHP debugging extension providing step debugging, stack traces, code coverage, and profiling output.
3mo ago
PHP beginner
Closures & Anonymous Functions
PHP 5.3+
1
First-class anonymous functions that can capture variables from their enclosing scope via the use keyword.
3mo ago
PHP intermediate
PHP's structured error handling mechanism that separates error-path code from the happy path and ensures resource cleanup.
3mo ago
PHP intermediate
OPcache
PHP 5.5+
8
A PHP extension that caches precompiled bytecode in shared memory, eliminating repeated parsing and compilation overhead.
3mo ago
PHP intermediate
Prepared Statement
PHP 5.1+
2
A parameterised SQL query where data placeholders are bound separately from the query structure, preventing SQL injection.
3mo ago
PHP intermediate
Asymmetric Visibility (PHP 8.4)
PHP 8.4+
PHP 8.4 asymmetric visibility lets you set different access levels for reading and writing a property — public(get) protected(set) — without getter/setter methods.
PHP intermediate
Lazy Objects (PHP 8.4)
PHP 8.4+
PHP 8.4 native lazy objects defer object initialisation until first property access — previously requiring proxy libraries, now built into the engine via ReflectionClass.
PHP advanced
Property Hooks (PHP 8.4)
PHP 8.4+
PHP 8.4 property hooks attach get/set logic directly to a property declaration — eliminating getter/setter method boilerplate for common validation and transformation patterns.
PHP advanced