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  1. $j = strlen ($word)-1;
  2. $pal = true;
  3.  
  4. for ($i = 0; $i < strlen($word)/2; ++$i, --$j) {
  5.  
  6.     // skip spaces
  7.     while ($word[$i] === " ") {$i++;}
  8.     while ($word[$j] === " ") {$j--;}
  9.  
  10.     echo "$word[$i]== $word[$j]\n";
  11.     if ($word[$i] !== $word[$j])    {
  12.         $pal = false;
  13.         break;
  14.         }
  15. }
  16.  
  17. if ($pal) print "yes"; else print "no";
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$j = strlen ($word)-1;
$pal = true;

for ($i = 0; $i < strlen($word)/2; ++$i, --$j) {

    // skip spaces
    while ($word[$i] === " ") {$i++;}
    while ($word[$j] === " ") {$j--;}

    echo "$word[$i]== $word[$j]\n";
    if ($word[$i] !== $word[$j])    {
        $pal = false;
        break;
        }
}

if ($pal) print "yes"; else print "no";
https://ideone.com/EwheQC
language:
PHP (php 7.3.5)
created:
3 days ago
visibility:
public

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