telbiyski

sudo apt-get update
sudo apt-get install build-essential chrpath libssl-dev libxft-dev -y
sudo apt-get install libfreetype6 libfreetype6-dev -y
sudo apt-get install libfontconfig1 libfontconfig1-dev -y
cd ~
export PHANTOM_JS="phantomjs-2.1.1-linux-x86_64"
wget https://github.com/Medium/phantomjs/releases/download/v2.1.1/$PHANTOM_JS.tar.bz2
sudo tar xvjf $PHANTOM_JS.tar.bz2
sudo mv $PHANTOM_JS /usr/local/share
sudo ln -sf /usr/local/share/$PHANTOM_JS/bin/phantomjs /usr/local/bin

eyecatchup

<?php
/**
 *  Get the file size of any remote resource (using get_headers()),
 *  either in bytes or - default - as human-readable formatted string.
 *
 *  @author  Stephan Schmitz <eyecatchup@gmail.com>
 *  @license MIT <http://eyecatchup.mit-license.org/>
 *  @url     <https://gist.github.com/eyecatchup/f26300ffd7e50a92bc4d>
 *
 *  @param   string   $url          Takes the remote object's URL.