[PHP] pobierz, plaintext 
$a = 3;
print '<a href=$a>abc</a>';
[PHP] pobierz, plaintext 

[PHP] pobierz, plaintext 
 $a = 3;
   print '<a href=http:jakas_strona.php?zmienna_a='.$a.'>abc</a>';
[PHP] pobierz, plaintext 

[PHP] pobierz, plaintext 
print '<a href='.$a.'>abc</a>';
[PHP] pobierz, plaintext