Framework helpers

A set of static utilities from system/App/Helpers/. Almost all methods Helper::method() (state not stored). Classes autoload, use usually does not required if the code is in the same namespace context; otherwise - use App\Helpers\Str;.

By category

Strings, arrays, numbers, date

Helper	Destination
Str	Working with strings in UTF-8 (mbstring): case, trimming, slug, camel/snake, masking, UUID.
Arr	Arrays: `get/set` in dot notation, search, sorting, object↔array, safe (de)serialization.
Number	Formatting numbers, sizes, declination, number in words, float comparison.
Date	Date/time: SQL↔timestamp, human-readable format, declinations.
Locales	Locale, transliteration, translation and “beautiful” display of dates.

HTTP: request and response

Helper	Destination
Request	Access to incoming data: GET/POST/JSON, typed getters, method, AJAX, IP.
Response	Answers: JSON/HTML/text/XML, download, codes 204/404/403/401/422/429/500.
Cookie	Read/write/delete cookies.
Url	Link building, redirects, canonical, rewrite, referer.
Ip	Determination and validation of IP, geo-data, ip↔hex.
Phone	Normalization, verification and secure masking of phone numbers.

Security and Validation

Helper	Destination
Valid	Validation: static checks and batch `check($data, $rules)`.
Secure	Cleaning input from XSS, sanitizing, processing phones.
Crypt	String encryption/decryption, crc32, radix conversion.

Files and directories

Helper	Destination
File	Files: read/write (including atomic), mime, download, encodings, names.
Dir	Directories: creation, crawling, size, copying, rights.
Zip	Archiving (ZipArchive wrapper).

Data, output, miscellaneous

Helper	Destination
Json	Safe encode/decode, payload for API, working with Cyrillic, “fixing” JSON.
Html	HTML compression, gzip output, nl2br, encode/decode, query strings.
Hooks	Hook system: `action`/`filter`, priorities (WordPress-like).
Debug	Dump/echo/print, benchmarks, time/memory measurements, SQL error output.
SoftDelete	SQL conditions for soft deletion (`deleted_at`/flags).
Helper	Destination
---	---
TagParser	Parsing tags in templates/content, registering handlers.
SearchText	Definition of the Cyrillic alphabet, bringing the layout to Russian.
RussianStemmer	Stemming of Russian words (for search).
MarketParser	Client of the external API MarketParser (Yandex.Market-like).

Each file contains a purpose, a list of methods with signatures and examples.

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