PhabricatorMinChartFunction.php
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PhabricatorMinChartFunction.php
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	<?php

	final class PhabricatorMinChartFunction
	extends PhabricatorPureChartFunction {

	const FUNCTIONKEY = 'min';

	protected function newArguments() {
	return array(
	$this->newArgument()
	->setName('min')
	->setType('number'),
	);
	}

	public function evaluateFunction(array $xv) {
	$min = $this->getArgument('min');

	$yv = array();
	foreach ($xv as $x) {
	if ($x < $min) {
	$yv[] = null;
	} else {
	$yv[] = $x;
	}
	}

	return $yv;
	}

	}