<?php 

Bench 10 variables sur 100000 interprétations de chaine :<br>

$a=10<br>

$b='test B'<br>

$c=1/3<br>

$d="test D"<br>

$e=true<br>

$f=false<br>

$g=htmlentities('&lt;B&gt;Coucou&lt;/B&gt;')<br>

$h=1e26<br>

$i='coucou '.'test I';<br>

$j=$a.' '.$b." $c $d $e $f $g $h $i"<br>



$res=concat&eacute;nation des 10 variables, avec un '-' entre chacune d'elles<br><br>



<?php



/**

 *

 *

 * @version $Id$

 * @copyright 2007

 */

function microtime_float()

{

   list($usec, $sec) = explode(" ", microtime());

   return ((float)$usec + (float)$sec);

}





echo 'doubles quotes : '.htmlentities('$res="$a-$b-$c-$d-$e-$f-$g-$h-$i-$j";').' = ';

$time_start = microtime_float();

for($i=0;$i<100000;$i++){

  $res="$a-$b-$c-$d-$e-$f-$g-$h-$i-$j";

}

$time_end = microtime_float();

$time = $time_end - $time_start;

echo $time."<br>\n";





echo 'sprintf : '.htmlentities('$res=sprintf(\'%d-%s-%f-%s-%b-%b-%s-%e-%s-%s\',$a,$b,$c,$d,$e,$f,$g,$h,$i,$j);').' = ';

$time_start = microtime_float();

for($i=0;$i<100000;$i++){

  $res=sprintf('%d-%s-%f-%s-%b-%b-%s-%e-%s-%s',$a,$b,$c,$d,$e,$f,$g,$h,$i,$j);

}

$time_end = microtime_float();

$time = $time_end - $time_start;

echo $time."<br>\n";







echo 'simples quotes : '.htmlentities('$res=$a.\'-\'.$b.\'-\'.$c.\'-\'.$d.\'-\'.$e.\'-\'.$f.\'-\'.$g.\'-\'.$h.\'-\'.$i.\'-\'.$j;').' = ';

$time_start = microtime_float();

for($i=0;$i<100000;$i++){

  $res=$a.'-'.$b.'-'.$c.'-'.$d.'-'.$e.'-'.$f.'-'.$g.'-'.$h.'-'.$i.'-'.$j;

}

$time_end = microtime_float();

$time = $time_end - $time_start;

echo $time."<br>\n";

?>