ArcanistCommentRemover.php
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ArcanistCommentRemover.php
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	<?php

	/*
	* Copyright 2012 Facebook, Inc.
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	final class ArcanistCommentRemover {

	/**
	* Remove comment lines from a commit message. Strips trailing lines only,
	* and requires "#" to appear at the beginning of a line for it to be
	* considered a comment.
	*/
	public static function removeComments($body) {
	$lines = explode("\n", $body);
	$lines = array_reverse($lines);
	foreach ($lines as $key => $line) {
	if (!strlen($line)) {
	unset($lines[$key]);
	continue;
	}
	if ($line[0] == '#') {
	unset($lines[$key]);
	continue;
	}
	break;
	}
	$lines = array_reverse($lines);
	return implode("\n", $lines)."\n";
	}

	}