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<?php
namespace SMW\Maintenance;
use SMW\ApplicationFactory;
/**
* @license GNU GPL v2+
* @since 2.2
*
* @author mwjames
*/
class MaintenanceHelper {
/**
* @var array
*/
private $globals = [];
/**
* @var array
*/
private $runtime = [
'start' => 0,
'memory' => 0
];
/**
* @since 2.2
*/
public function initRuntimeValues() {
$this->runtime['start'] = microtime( true );
$this->runtime['memory'] = memory_get_peak_usage( false );
}
/**
* @since 2.2
*
* @return array
*/
public function getRuntimeValues() {
$memory = memory_get_peak_usage( false );
$time = microtime( true ) - $this->runtime['start'];
$hTime = round( $time, 2 ) . ' sec';
$hTime .= ( $time > 60 ? ' (' . round( $time / 60, 2 ) . ' min)' : '' );
return [
'time' => $time,
'humanreadable-time' => $hTime,
'memory-before' => $this->runtime['memory'],
'memory-after' => $memory,
'memory-used' => $memory - $this->runtime['memory']
];
}
/**
* @since 2.2
*
* @return string
*/
public function getFormattedRuntimeValues( $indent = '' ) {
$runtimeValues = $this->getRuntimeValues();
return "$indent Memory used: " . $runtimeValues['memory-used'] . "\n" .
"$indent Time: " . $runtimeValues['humanreadable-time'];
}
/**
* @since 2.2
*
* @param string $key
* @param string $value
*/
public function setGlobalToValue( $key, $value ) {
if ( !isset( $GLOBALS[$key] ) ) {
return;
}
$this->globals[$key] = $GLOBALS[$key];
$GLOBALS[$key] = $value;
ApplicationFactory::getInstance()->getSettings()->set( $key, $value );
}
/**
* @since 2.2
*/
public function reset() {
foreach ( $this->globals as $key => $value ) {
$GLOBALS[$key] = $value;
ApplicationFactory::getInstance()->getSettings()->set( $key, $value );
}
$this->runtime['start'] = 0;
$this->runtime['memory'] = 0;
}
}
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