PHP String Manipulation Middleware

Plugin based string manipulator

Installation

To install this library, run the command below and you will get the latest version

composer require waynestate/string-middleware

Usage

// Start with some string
$input = 'Some string to parse';

// Create the instance of the Parser
$parser = new \Waynestate\ParserMiddleware\ParserMiddleware();

// Define the list of parsers to run, in chronological order
// Each must implement the Waynestate\StringParser\StringParserInterface
$parsers = array(
    'Waynestate\StringParser\SelfParser',
    'Waynestate\StringParsers\ReverseParser',
);

// Set the stack of parsers
$parser->setStack($parsers);

// Parse the string and return the output
$output = $parser->parse($input);

// Output is now modified by each parser
var_dump($output);

Example Parser

Reverse a string

/**
 * Class Header Parser
 */
class HeaderParser implements Waynestate\StringParser\StringParserInterface
{
    /**
     * Replace every occurrence of "<p>[header ...]</p>" with "<h1>...</h1>"
     *
     * @param string $string
     * @return string
     */
    public function parse($string) {
        return preg_replace("/<p>\[header (.*)\]<\/p>/", '<h1>${1}</h1>', $string);
    }
}

Tests

phpunit

Code Coverage

phpunit --coverage-html ./coverage