PhutilBallOfPHP.php
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	<?php

	/**
	* Concatenates PHP files together into a single stream. Used by Phage to
	* transmit bootloading code.
	*/
	final class PhutilBallOfPHP {

	private $parts = array();

	public function addFile($path) {
	$data = Filesystem::readFile($path);
	if (strncmp($data, "<?php\n", 6)) {
	throw new Exception(
	"Expected file '{$path}' to begin \"<?php\\n\".");
	}
	$this->parts[] = substr($data, 6);
	return $this;
	}

	public function addText($text) {
	$this->parts[] = $text;
	}

	public function toString() {
	return implode('', $this->parts);
	}

	}