HashLibrary.php

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<?php
 
class Scribunto_LuaHashLibrary extends Scribunto_LuaLibraryBase {
 
    public function register() {
        $lib = [
            'listAlgorithms' => [ $this, 'listAlgorithms' ],
            'hashValue' => [ $this, 'hashValue' ],
        ];
 
        return $this->getEngine()->registerInterface( 'mw.hash.lua', $lib );
    }
 
    public function listAlgorithms() {
        $algos = hash_algos();
        $algos = array_combine( range( 1, count( $algos ) ), $algos );
 
        return [ $algos ];
    }
 
    public function hashValue( $algo, $value ) {
        if ( !in_array( $algo, hash_algos() ) ) {
            throw new Scribunto_LuaError( "Unknown hashing algorithm: $algo" );
        }
 
        $hash = hash( $algo, $value );
 
        return [ $hash ];
    }
 
}