collision check script
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Authored By

	• Mattflaschen-WMF
	Nov 5 2015, 11:31 PM

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726 B

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collision check script
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	<?php

	require_once ( getenv( 'MW_INSTALL_PATH' ) !== false
	? getenv( 'MW_INSTALL_PATH' ) . '/maintenance/Maintenance.php'
	: dirname( __FILE__ ) . '/../../../maintenance/Maintenance.php' );

	class CollisionScript extends Maintenance {
	public function execute() {
	$timestamp = wfTimestamp();
	$usedUUIDs = array();
	$i = 0;
	do {
	$uuid = Flow\Import\HistoricalUIDGenerator::historicalTimestampedUID88( $timestamp );
	$duplicate = isset( $usedUUIDs[$uuid] );
	$usedUUIDs[$uuid] = true;
	$i++;
	if ( $i % 1000 === 0 ) {
	echo "$i UIDs generated.\n";
	}
	} while( !$duplicate );

	echo "Duplicate found after $i iterations\n";
	}
	}

	$maintClass = 'CollisionScript';
	require_once RUN_MAINTENANCE_IF_MAIN;