hello word

<pre>
<?php
error_reporting(-1);
//============================
define('_INPUT','Hello Word');
//============================
$p=0;
$dt[$p]['n']='Cahya DSN #1';
echo "===Cahya DSN #1\n";
$t1 = microtime(true);
$m1=memory_get_usage();
$input=_INPUT;
$l=strlen($input);
$input.=strrev($input);
for($i=0;$i<$l;$i++) echo substr($input,$l-$i-1,($i+1)*2),"\n";
$m2=memory_get_usage();
$t2 = microtime(true);
$dt[$p]['t']=$t2-$t1;
$dt[$p]['m']=$m2-$m1;
echo "Makan waktu: ".($t2 - $t1)." microsecond\n";
echo "Makan memory: ".($m2 - $m1)." bytes\n";
unset($input);
unset($m1);
unset($m2);
unset($l);
unset($i);
//============================
$p=1;
$dt[$p]['n']='Cahya DSN #2';
echo "===Cahya DSN #2\n";
$t1 = microtime(true);
$m1=memory_get_usage();
$input=_INPUT;
$l=strlen($input);
$input.=strrev($input);
for($i=0;$i<$l;$i++) echo str_pad(substr($input,$l-$i-1,($i+1)*2),$l*2,' ',STR_PAD_BOTH),"\n";
$m2=memory_get_usage();
$t2 = microtime(true);
$dt[$p]['t']=$t2-$t1;
$dt[$p]['m']=$m2-$m1;
echo "Makan waktu: ".($t2 - $t1)." microsecond\n";
echo "Makan memory: ".($m2 - $m1)." bytes\n";
unset($input);
unset($m1);
unset($m2);
unset($l);
unset($i);
//=============================
$p=3;
$dt[$p]['n']='Sandy Racy';
echo "\n===Sandy Racy \n";
$t1 = microtime(true);
$m1=memory_get_usage();
$input=_INPUT;
$n=strlen($input);
for($h=$n;$h>=0;$h--)
{
  for($i=$h;$i<$n;$i++){
    $hasil.=$input[$i];
  }
  for($j=$n;$j>=$h;$j--){
    $hasil.=$input[$j];
  }
  $hasil.="\n";
}
echo $hasil;
$m2=memory_get_usage();
$t2 = microtime(true);
$dt[$p]['t']=$t2-$t1;
$dt[$p]['m']=$m2-$m1;
echo "Makan waktu: ".($t2 - $t1)." microsecond\n";
echo "Makan memory: ".($m2 - $m1)." bytes\n";
unset($input);
unset($m1);
unset($m2);
unset($h);
unset($n);
unset($i);
unset($j);
unset($hasil);
//=============================
$p=4;
$dt[$p]['n']='Sandy racy *';
echo "\n===Sandy Racy *\n";
$t1 = microtime(true);
$m1=memory_get_usage();
$input=_INPUT;
$n=strlen($input);
$hasil='';
for($h=$n-1;$h>=0;$h--)
{
  for($i=$h;$i<$n;$i++){
    $hasil.=$input[$i];
  }
  for($j=$n-1;$j>=$h;$j--){
    $hasil.=$input[$j];
  }
  $hasil.="\n";
}
echo $hasil;
$m2=memory_get_usage();
$t2 = microtime(true);
$dt[$p]['t']=$t2-$t1;
$dt[$p]['m']=$m2-$m1;
echo "Makan waktu: ".($t2 - $t1)." microsecond\n";
echo "Makan memory: ".($m2 - $m1)." bytes\n";
unset($input);
unset($m1);
unset($m2);
unset($h);
unset($n);
unset($i);
unset($j);
unset($hasil);
//============================
$p=5;
$dt[$p]['n']='Nusantara Prasetya Wijaya';
echo "\n===Nusantara Prasetya Wijaya\n";
$t1 = microtime(true);
$m1=memory_get_usage();
$input=_INPUT;
$length=strlen($input);
for($i=1;$i<$length;$i++)
{
  for($f=$length-$i;$f<=$length;$f++) echo $input[$f];
  for($b=$length;$b>=$length-$i;$b--) echo $input[$b];
}
$m2=memory_get_usage();
$t2 = microtime(true);
$dt[$p]['t']=$t2-$t1;
$dt[$p]['m']=$m2-$m1;
echo "Makan waktu: ".($t2 - $t1)." microsecond\n";
echo "Makan memory: ".($m2 - $m1)." bytes\n";
unset($input);
unset($m1);
unset($m2);
unset($length);
unset($i);
unset($f);
unset($b);
//============================
$p=6;
$dt[$p]['n']='Nusantara Prasetya Wijaya *';
echo "\n===Nusantara Prasetya Wijaya *\n";
$t1 = microtime(true);
$m1=memory_get_usage();
$input=_INPUT;
$length=strlen($input);
for($i=0;$i<$length;$i++)
{
  for($f=$length-$i;$f<=$length;$f++) echo $input[$f-1];
  for($b=$length-1;$b>=$length-$i-1;$b--) echo $input[$b];
  echo "\n";
}
$m2=memory_get_usage();
$t2 = microtime(true);
$dt[$p]['t']=$t2-$t1;
$dt[$p]['m']=$m2-$m1;
echo "Makan waktu: ".($t2 - $t1)." microsecond\n";
echo "Makan memory: ".($m2 - $m1)." bytes\n";
unset($input);
unset($m1);
unset($m2);
unset($length);
unset($i);
unset($f);
unset($b);
//============================
$p=7;
$dt[$p]['n']='C Rieqy IfIndefXor PetangatusteluForbidden';
echo "\n=== C Rieqy IfIndefXor PetangatusteluForbidden\n";
$t1 = microtime(true);
$m1=memory_get_usage();
$input=_INPUT;
$len=strlen($input);
$a=$len;
for($c=$len;$c>=0;$c--){
  for($d=$c;$d<$len;$d++){
    echo $input[$d];
  }
  for($b=$len;$b>$a;$b--){
    echo $input[$b-1];
  }
  echo "\n";
  $a++;
}
$m2=memory_get_usage();
$t2 = microtime(true);
$dt[$p]['t']=$t2-$t1;
$dt[$p]['m']=$m2-$m1;
echo "Makan waktu: ".($t2 - $t1)." microsecond\n";
echo "Makan memory: ".($m2 - $m1)." bytes\n";
unset($input);
unset($m1);
unset($m2);
unset($len);
unset($c);
unset($d);
unset($b);
unset($a);
//============================
$p=8;
$dt[$p]['n']='C Rieqy IfIndefXor PetangatusteluForbidden *';
echo "\n=== C Rieqy IfIndefXor PetangatusteluForbidden *\n";
$t1 = microtime(true);
$m1=memory_get_usage();
$input=_INPUT;
$len=strlen($input);
$a=$len;
for($c=$len;$c>=0;$c--){
  for($d=$c;$d<$len;$d++){
    echo $input[$d];
  }
  for($b=$len;$b>$a;$b--){
    echo $input[$b-1];
  }
  echo "\n";
  $a--;
}
$m2=memory_get_usage();
$t2 = microtime(true);
$dt[$p]['t']=$t2-$t1;
$dt[$p]['m']=$m2-$m1;
echo "Makan waktu: ".($t2 - $t1)." microsecond\n";
echo "Makan memory: ".($m2 - $m1)." bytes\n";
unset($input);
unset($m1);
unset($m2);
unset($len);
unset($c);
unset($d);
unset($b);
unset($a);
//============================
$p=9;
$dt[$p]['n']='Alfian Syahputra';
echo "\n===Alfian Syahputra\n";
$t1 = microtime(true);
$m1=memory_get_usage();
$a=_INPUT;
for($i=strlen($a);$i>=0;$i--){
  $b=substr($a,$i);
  echo $b.strrev($b)."\n";
}
$m2=memory_get_usage();
$t2 = microtime(true);
$dt[$p]['t']=$t2-$t1;
$dt[$p]['m']=$m2-$m1;
echo "Makan waktu: ".($t2 - $t1)." microsecond\n";
echo "Makan memory: ".($m2 - $m1)." bytes\n";
unset($a);
unset($m1);
unset($m2);
unset($i);
unset($b);
unset($hasil);
//============================
$p=10;
$dt[$p]['n']='Ruli Armando';
echo "\n===Ruli Armando\n";
$t1 = microtime(true);
$m1=memory_get_usage();
$input=_INPUT;for($s=strrev($input),$i=0,$o='';$c=@$s[$i++];) echo$o="$c$o$c","\n";
$m2=memory_get_usage();
$t2 = microtime(true);
$dt[$p]['t']=$t2-$t1;
$dt[$p]['m']=$m2-$m1;
echo "Makan waktu: ".($t2 - $t1)." microsecond\n";
echo "Makan memory: ".($m2 - $m1)." bytes\n";
unset($input);
unset($m1);
unset($m2);
unset($i);
unset($b);
unset($hasil);
//============================
$p=11;
$dt[$p]['n']='Tambahan *';
echo "\n===Tambahan *\n";
$t1 = microtime(true);
$m1=memory_get_usage();
$a=_INPUT;$b='';for($i=strlen($a);$i>0;$i--){$b.=$a[$i-1];echo strrev($b)."$b\n";}
$m2=memory_get_usage();
$t2 = microtime(true);
$dt[$p]['t']=$t2-$t1;
$dt[$p]['m']=$m2-$m1;
echo "Makan waktu: ".($t2 - $t1)." microsecond\n";
echo "Makan memory: ".($m2 - $m1)." bytes\n";
unset($a);
unset($m1);
unset($m2);
unset($i);
unset($b);
unset($hasil);
//============================
echo "===\nGRAND RESULT\n";
foreach ($dt as $key => $row) {
    $_name[$key] = $row['n'];
    $_time[$key] = $row['t'];
}
array_multisort($_time, SORT_ASC, $_name, SORT_ASC, $dt);
$no=1;
foreach($dt as $data){
  echo str_pad($no,3,' ',STR_PAD_LEFT).". "
      .str_pad($data['n'],44,' ')
      .str_pad($data['t'],24,' ',STR_PAD_LEFT)
      .str_pad($data['m'],8,' ',STR_PAD_LEFT)." bytes"
      ."\n";
  $no++;
}
echo "===\n)* modified";
?>