Hashsum.php

<?php
 
# Avoids illegal processing, doesn't cost much, but unnecessary on a correct installation
if (!defined('MEDIAWIKI')) { die(-1); } 

//self executing anonymous function to prevent global scope assumptions
call_user_func( function() {
	
	# Extension Declaration
	$GLOBALS['wgExtensionCredits']['specialpage'][] = array(
		'path' => __FILE__,
		'name' => 'Hashsum',
		'author' => array('toniher'),
		'version' => '0.1',
		'url' => 'https://www.mediawiki/wiki/User:Toniher',
		'descriptionmsg' => 'hashsum-desc'
	);
	
	# A var to ease the referencing of files
	$dir = dirname(__FILE__) . '/';
	
	# i18n file referencing
	$GLOBALS['wgMessagesDirs']['Hashsum'] = $dir . 'i18n';
	$GLOBALS['wgExtensionMessagesFiles']['Hashsum'] = $dir . 'Hashsum.i18n.php';
	$GLOBALS['wgExtensionMessagesFiles']['HashsumMagic'] = $dir . 'Hashsum.i18n.magic.php';
	
	$GLOBALS['wgAutoloadClasses']['Hashsum'] = $dir . 'Hashsum_body.php';
	
	$GLOBALS['wgHooks']['ParserFirstCallInit'][] = 'wfRegisterHashsum';

});

/**
 * @param $parser Parser
 * @return bool
 */
 
function wfRegisterHashsum( $parser ) {
	
	$parser->setFunctionHook( 'MD5sum', 'Hashsum::MD5sumProcess', Parser::SFH_OBJECT_ARGS );
	$parser->setFunctionHook( 'SHA1sum', 'Hashsum::SHA1sumProcess', Parser::SFH_OBJECT_ARGS );

	return true;
}