Output.php
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Output.php
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	<?php
	/**
	* Parser output
	*
	* @private
	*/
	class Less_Output {

	/**
	* Output holder
	*
	* @var string[]
	*/
	protected $strs = [];

	/**
	* Adds a chunk to the stack
	*
	* @param string $chunk The chunk to output
	* @param array\|null $fileInfo The file information
	* @param int $index The index
	* @param bool\|null $mapLines
	*/
	public function add( $chunk, $fileInfo = null, $index = 0, $mapLines = null ) {
	$this->strs[] = $chunk;
	}

	/**
	* Is the output empty?
	*
	* @return bool
	*/
	public function isEmpty() {
	return count( $this->strs ) === 0;
	}

	/**
	* Converts the output to string
	*
	* @return string
	*/
	public function toString() {
	return implode( '', $this->strs );
	}

	}