BlockLogFormatter::getMessageParameters()   B
last analyzed

Complexity

Conditions 6
Paths 10

Size

Total Lines 38
Code Lines 22

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 6
eloc 22
nc 10
nop 0
dl 0
loc 38
rs 8.439
c 0
b 0
f 0
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<?php
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/**
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 * Formatter for block log entries.
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; either version 2 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License along
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 * with this program; if not, write to the Free Software Foundation, Inc.,
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 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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 * http://www.gnu.org/copyleft/gpl.html
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 *
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 * @file
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 * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
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 * @since 1.25
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 */
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/**
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 * This class formats block log entries.
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 *
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 * @since 1.25
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 */
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class BlockLogFormatter extends LogFormatter {
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	protected function getMessageParameters() {
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		$params = parent::getMessageParameters();
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		$title = $this->entry->getTarget();
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		if ( substr( $title->getText(), 0, 1 ) === '#' ) {
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			// autoblock - no user link possible
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			$params[2] = $title->getText();
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			$params[3] = ''; // no user name for gender use
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		} else {
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			// Create a user link for the blocked
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			$username = $title->getText();
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			// @todo Store the user identifier in the parameters
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			// to make this faster for future log entries
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			$targetUser = User::newFromName( $username, false );
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			$params[2] = Message::rawParam( $this->makeUserLink( $targetUser, Linker::TOOL_LINKS_NOBLOCK ) );
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Security Bug introduced by
It seems like $targetUser defined by \User::newFromName($username, false) on line 44 can also be of type false; however, LogFormatter::makeUserLink() does only seem to accept object<User>, did you maybe forget to handle an error condition?

This check looks for type mismatches where the missing type is false. This is usually indicative of an error condtion.

Consider the follow example

<?php

function getDate($date)
{
    if ($date !== null) {
        return new DateTime($date);
    }

    return false;
}

This function either returns a new DateTime object or false, if there was an error. This is a typical pattern in PHP programming to show that an error has occurred without raising an exception. The calling code should check for this returned false before passing on the value to another function or method that may not be able to handle a false.

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46
			$params[3] = $username; // plain user name for gender use
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		}
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		$subtype = $this->entry->getSubtype();
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		if ( $subtype === 'block' || $subtype === 'reblock' ) {
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			if ( !isset( $params[4] ) ) {
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				// Very old log entry without duration: means infinite
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				$params[4] = 'infinite';
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			}
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			// Localize the duration, and add a tooltip
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			// in English to help visitors from other wikis.
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			// The lrm is needed to make sure that the number
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			// is shown on the correct side of the tooltip text.
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			$durationTooltip = '&lrm;' . htmlspecialchars( $params[4] );
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			$params[4] = Message::rawParam( "<span class='blockExpiry' title='$durationTooltip'>" .
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				$this->context->getLanguage()->translateBlockExpiry( $params[4],
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					$this->context->getUser() ) . '</span>' );
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			$params[5] = isset( $params[5] ) ?
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				self::formatBlockFlags( $params[5], $this->context->getLanguage() ) : '';
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		}
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		return $params;
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	}
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	protected function extractParameters() {
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		$params = parent::extractParameters();
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		// Legacy log params returning the params in index 3 and 4, moved to 4 and 5
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		if ( $this->entry->isLegacy() && isset( $params[3] ) ) {
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			if ( isset( $params[4] ) ) {
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				$params[5] = $params[4];
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			}
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			$params[4] = $params[3];
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			$params[3] = '';
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		}
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		return $params;
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	}
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	public function getPreloadTitles() {
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		$title = $this->entry->getTarget();
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		// Preload user page for non-autoblocks
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		if ( substr( $title->getText(), 0, 1 ) !== '#' ) {
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			return [ $title->getTalkPage() ];
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		}
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		return [];
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	}
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	public function getActionLinks() {
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		$subtype = $this->entry->getSubtype();
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		if ( $this->entry->isDeleted( LogPage::DELETED_ACTION ) // Action is hidden
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			|| !( $subtype === 'block' || $subtype === 'reblock' )
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			|| !$this->context->getUser()->isAllowed( 'block' )
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		) {
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			return '';
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		}
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		// Show unblock/change block link
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		$title = $this->entry->getTarget();
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		$links = [
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			Linker::linkKnown(
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				SpecialPage::getTitleFor( 'Unblock', $title->getDBkey() ),
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				$this->msg( 'unblocklink' )->escaped()
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			),
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			Linker::linkKnown(
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				SpecialPage::getTitleFor( 'Block', $title->getDBkey() ),
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				$this->msg( 'change-blocklink' )->escaped()
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			)
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		];
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		return $this->msg( 'parentheses' )->rawParams(
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			$this->context->getLanguage()->pipeList( $links ) )->escaped();
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	}
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	/**
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	 * Convert a comma-delimited list of block log flags
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	 * into a more readable (and translated) form
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	 *
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	 * @param string $flags Flags to format
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	 * @param Language $lang
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	 * @return string
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	 */
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	public static function formatBlockFlags( $flags, $lang ) {
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		$flags = trim( $flags );
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		if ( $flags === '' ) {
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			return ''; // nothing to do
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		}
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		$flags = explode( ',', $flags );
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		$flagsCount = count( $flags );
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		for ( $i = 0; $i < $flagsCount; $i++ ) {
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			$flags[$i] = self::formatBlockFlag( $flags[$i], $lang );
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		}
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		return wfMessage( 'parentheses' )->inLanguage( $lang )
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			->rawParams( $lang->commaList( $flags ) )->escaped();
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	}
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	/**
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	 * Translate a block log flag if possible
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	 *
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	 * @param int $flag Flag to translate
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	 * @param Language $lang Language object to use
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	 * @return string
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	 */
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	public static function formatBlockFlag( $flag, $lang ) {
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		static $messages = [];
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		if ( !isset( $messages[$flag] ) ) {
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			$messages[$flag] = htmlspecialchars( $flag ); // Fallback
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			// For grepping. The following core messages can be used here:
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			// * block-log-flags-angry-autoblock
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			// * block-log-flags-anononly
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			// * block-log-flags-hiddenname
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			// * block-log-flags-noautoblock
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			// * block-log-flags-nocreate
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			// * block-log-flags-noemail
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			// * block-log-flags-nousertalk
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			$msg = wfMessage( 'block-log-flags-' . $flag )->inLanguage( $lang );
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			if ( $msg->exists() ) {
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				$messages[$flag] = $msg->escaped();
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			}
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		}
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		return $messages[$flag];
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	}
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	protected function getParametersForApi() {
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		$entry = $this->entry;
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		$params = $entry->getParameters();
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		static $map = [
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			// While this looks wrong to be starting at 5 rather than 4, it's
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			// because getMessageParameters uses $4 for its own purposes.
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			'5::duration',
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			'6:array:flags',
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			'6::flags' => '6:array:flags',
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		];
184 View Code Duplication
		foreach ( $map as $index => $key ) {
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			if ( isset( $params[$index] ) ) {
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				$params[$key] = $params[$index];
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				unset( $params[$index] );
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			}
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		}
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		$subtype = $entry->getSubtype();
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		if ( $subtype === 'block' || $subtype === 'reblock' ) {
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			// Defaults for old log entries missing some fields
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			$params += [
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				'5::duration' => 'infinite',
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				'6:array:flags' => [],
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			];
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			if ( !is_array( $params['6:array:flags'] ) ) {
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				$params['6:array:flags'] = $params['6:array:flags'] === ''
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					? []
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					: explode( ',', $params['6:array:flags'] );
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			}
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			if ( !wfIsInfinity( $params['5::duration'] ) ) {
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				$ts = wfTimestamp( TS_UNIX, $entry->getTimestamp() );
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				$expiry = strtotime( $params['5::duration'], $ts );
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				if ( $expiry !== false && $expiry > 0 ) {
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					$params[':timestamp:expiry'] = $expiry;
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				}
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			}
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		}
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		return $params;
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	}
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217 View Code Duplication
	public function formatParametersForApi() {
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		$ret = parent::formatParametersForApi();
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		if ( isset( $ret['flags'] ) ) {
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			ApiResult::setIndexedTagName( $ret['flags'], 'f' );
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		}
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		return $ret;
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	}
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}
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