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$pattern = '@(width|height)="([0-9]+)"@';$str = "<object width=\"300\" height=\"247\"><param name=\"movie\" value=\"http://www.youtube.com/v/YNb5dfeI93I\"></param><param name=\"wmode\" value=\"transparent\"></param><embed src=\"http://www.youtube.com/v/YNb5dfeI93I\" type=\"application/x-shockwave-flash\" wmode=\"transparent\" width=\"123\" height=\"441\"></embed></object>";preg_match_all($pattern, $str, $out, PREG_PATTERN_ORDER);$width = $out[2][0];$height = $out[2][1];$width2 = $out[2][2];$height2 = $out[2][3];if ($height > 150)          {               $height = 150;               $percent = ($height2 / $height);               $width = ($width2 / $percent);          }     else if ($width > 150)          {               $width = 150;               $percent = ($width2 / $width);               $height = ($height2 / $percent);          }          echo $width." ".$height."\n";          $rep = "$1=$width $2=$height";          echo preg_replace($pattern, $rep, $str);/*X-Powered-By: PHP/5.2.0Content-type: text/html41.836734693878 150<object width=41.836734693878 300=150 height=41.836734693878 247=150><param name="movie" value="http://www.youtube.com/v/YNb5dfeI93I"></param><param name="wmode" value="transparent"></param><embed src="http://www.youtube.com/v/YNb5dfeI93I" type="application/x-shockwave-flash" wmode="transparent" width=41.836734693878 123=150 height=41.836734693878 441=150></embed></object>*/