tostring_helper_benchmark.php

<?php

// $ php -f tostring_helper_benchmark.php
// 0.877526044846 <- Arrays are slooow
// First: 0.352955102921
// Second: 0.354468107224 <- substr() way takes a .0015s penalty

$time = microtime(true);
$html=array();
for ($i=1; $i<1000000; $i++)
{
  $html[] = 'asdf';
}
$html = implode(' ', $html);
print (microtime(true)-$time)."\n";

$time = microtime(true);
$html='';
for ($i=1; $i<1000000; $i++)
{
  $html .= ' asdf';
}
print 'First: '.(microtime(true)-$time)."\n";

$time = microtime(true);
$html='';
for ($i=1; $i<1000000; $i++)
{
  $html .= ' asdf';
}
if (!empty($html))
{
  $html = substr($html, 1);
}
print 'Second: '.(microtime(true)-$time)."\n";