2 shortened
source | link

PHP - 85 to 7754 characters (no cheating)

<?php printf(($p="<$p='<?php printf((%cp=%c%s%c),36,34$p=%c%s%c,%cp39,34$p,36);?>"39),36;',3439,$p,34,3639);?>

Yeah, it's a one liner... I don't know whether or not to count the outside php tags, but if not, it would save me 8 chars (77 totalfinally even shorter). 

PHP - 85 to 77 characters (no cheating)

<?php printf(($p="<?php printf((%cp=%c%s%c),36,34,%cp,34,36);?>"),36,34,$p,34,36);?>

Yeah, it's a one liner... I don't know whether or not to count the outside php tags, but if not, it would save me 8 chars (77 total).

PHP - 54 characters (no cheating)

<?printf($p='<?printf($p=%c%s%c,39,$p,39);',39,$p,39);

(finally even shorter) 

1
source | link

PHP - 85 to 77 characters (no cheating)

<?php printf(($p="<?php printf((%cp=%c%s%c),36,34,%cp,34,36);?>"),36,34,$p,34,36);?>

Yeah, it's a one liner... I don't know whether or not to count the outside php tags, but if not, it would save me 8 chars (77 total).