- array_sum: documentation ( source)
- microtime: documentation ( source)
- explode: documentation ( source)
- md5: documentation ( source)
<?php
$str = "Sample Testing String";
$start = array_sum( explode( ' ', microtime( ) ) );
for( $a = 10000000; $a ; --$a )
{
md5( $str );
}
$end = array_sum( explode(' ', microtime()) );echo $end - $start; die;