benchmark.txt

obsidian@lithion-mint ~/Documents $ php benchmark.php 
file - 0.413892 seconds
obsidian@lithion-mint ~/Documents $ php benchmark.php 
file - 0.419085 seconds
obsidian@lithion-mint ~/Documents $ php benchmark.php 
file - 0.428959 seconds
obsidian@lithion-mint ~/Documents $ php benchmark.php 
file - 0.440547 seconds
obsidian@lithion-mint ~/Documents $ php benchmark.php 
file - 0.430267 seconds
obsidian@lithion-mint ~/Documents $ php benchmark.php 
fgets - 1.023405 seconds
obsidian@lithion-mint ~/Documents $ php benchmark.php 
fgets - 0.999376 seconds
obsidian@lithion-mint ~/Documents $ php benchmark.php 
fgets - 0.994365 seconds
obsidian@lithion-mint ~/Documents $ php benchmark.php 
fgets - 1.025741 seconds
obsidian@lithion-mint ~/Documents $ php benchmark.php 
fgets - 0.99858 seconds

cmd

C:\xampp\htdocs\Ximps>php tests.php
file - 0.310402 seconds
C:\xampp\htdocs\Ximps>php tests.php
file - 0.309679 seconds
C:\xampp\htdocs\Ximps>php tests.php
file - 0.314347 seconds
C:\xampp\htdocs\Ximps>php tests.php
file - 0.310647 seconds
C:\xampp\htdocs\Ximps>php tests.php
file - 0.311683 seconds

C:\xampp\htdocs\Ximps>php tests.php
fgets - 6.783487 seconds
C:\xampp\htdocs\Ximps>php tests.php
fgets - 6.762257 seconds
C:\xampp\htdocs\Ximps>php tests.php
fgets - 6.929103 seconds
C:\xampp\htdocs\Ximps>php tests.php
fgets - 6.747566 seconds
C:\xampp\htdocs\Ximps>php tests.php
fgets - 6.857936 seconds

gistfile2.txt

./blob.php contained 20129 lines of source code....

tests.php

<?php
$mode = 'fgets';
benchmark();
for($i = 0; $i <= 20; $i++)
{
	if($mode == 'fgets')
		getErrorContextFgets('./blob.php', 10000, 4);
	elseif($mode == 'file')
		getErrorContextFile('./blob.php', 10000, 4);
}
echo $mode . ' - ';
benchmark();
die();




function getTime()
{
	$timer = explode(' ', microtime());
	return $timer[1] + $timer[0];
}

function benchmark()
{
	static $start = 0;

	if(!$start)
		$start = getTime();
	else
		echo round(getTime() - $start, 6) . ' seconds' . PHP_EOL;
}

function getErrorContextFile($file, $line, $context = 3)
{
	$return = array();
	$content = file($file);

	for ($i = ($line - $context); $i < (($line -1) + $context); $i++)
	{
		$return[] = $content[$i];
	}

	return $return;
}

function getErrorContextFgets($file, $line, $context = 3)
{
	$return = '';
	$line_i = 0;
	if($fh = fopen($file,"r"))
	{
		while (!feof($fh))
		{
			$line_i++;
			if($line_i > ($line - $context))
			{
				if($line_i < ($line + $context))
					break;
				$return[] = fgets($fh);
			}
			else
			{
				fgets($fh);
			}
		}
		fclose($fh);
	}
	return $return;
}