README

String Helper is a PHP helper library for common string operations, built for PHP 8+.

Features

Truncate strings by character count (with word-safe, custom suffixes and HTML-stripping or HTML-preserving)
Limit strings by word count with custom suffixes
Check if strings start with, end with, or contain a substring
Remove special characters with optional Unicode, dash, or underscore preservation
Reverse strings easily
Detect valid JSON strings with a simple check
Create clean slugs for URLs or SEO
Convert strings to camelCase, snake_case, and kebab-case

Installation

Install via Composer:

composer require junaidkhan/php-string-helper

Usage

1. Autoload with Composer

require 'vendor/autoload.php';

2. Import the class

use JunaidKhan\StringHelper\StringHelper;

3. Use the methods

// Slugify
echo StringHelper::slugify('  Mastering PHP in 2025!  '); // master-php-in-2025

// Case conversions
echo StringHelper::toCamelCase('modern_php_tutorial');       // modernPhpTutorial
echo StringHelper::toSnakeCase('modernPhpTutorial');         // modern_php_tutorial
echo StringHelper::toKebabCase('modernPhpTutorial');         // modern-php-tutorial

// String checks
echo StringHelper::startsWith('FrameworkX', 'Frame');         // true
echo StringHelper::endsWith('SuperTool', 'Tool');             // true
echo StringHelper::contains('Debugging helps developers', 'help'); // true

// Truncate with suffix (text, maxLength, suffix, wordSafe, stripHtml, preserveHtml)
echo StringHelper::truncate('Mastering PHP in 2025!', 15, '...', true, false, false); // Mastering PHP...

// Limit words with suffix (text, wordLimit, suffix)
echo StringHelper::limitWords('Master PHP with real-world projects', 3, '...'); // Master PHP with...

// Reverse string (text)
echo StringHelper::reverse('Productivity'); // ytivitcudorP

// Remove special characters (text, preserveUnderscore, preserveDash, allowUnicode)
echo StringHelper::removeSpecialChars('E-mail@example.com!', false, false, false); // Emailexamplecom

// Check valid JSON (string)
echo StringHelper::isJson('{"valid":true}'); // true

Methods

Method	Parameters	Description
`slugify`	`string $string`	Convert a string into a URL-friendly slug
`toCamelCase`	`string $text`	Convert to camelCase
`toSnakeCase`	`string $text`	Convert to snake_case
`toKebabCase`	`string $text`	Convert to kebab-case
`startsWith`	`string $haystack, string $needle`	Check if string starts with a given substring
`endsWith`	`string $haystack, string $needle`	Check if string ends with a given substring
`contains`	`string $haystack, string $needle`	Check if string contains a given substring
`truncate`	`string $text, int $maxLength, string $suffix, bool $wordSafe, bool $stripHtml, bool $preserveHtml`	Truncate string with full support for HTML, suffix, and word-safety
`limitWords`	`string $text, int $wordLimit, string $suffix`	Limit string by number of words, appending suffix if trimmed
`reverse`	`string $text`	Reverse the given string
`removeSpecialChars`	`string $text, bool $preserveUnderscore, bool $preserveDash, bool $allowUnicode`	Remove all non-alphanumeric characters (with optional preservation)
`isJson`	`string $string`	Check if the string is valid JSON

📄 License

This project is licensed under the MIT License. See the LICENSE file for details.

🙌 Contributing

Contributions are welcome! Feel free to fork the repository, open issues, or submit pull requests to help improve the package.

junaidkhan / php-string-helper

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