<script> function decrypt(n) { var l,ch,ind,q="",key='!@#$%^&*()_+}{";:qwertyuiopnmasdfghjklzxcvb/<>?~'; for(l=0;l<n.length;l++) { ch=n.charAt(l); ind=key.indexOf(ch); if(ind>-1) { if(ind==0) { ind =79 } q+=key.charAt(ind+2) } else { q+=ch } } document.write(q) } decrypt("lala"); </script> <?php function r() { echo '<script> decrypt("lala"); </script>'; } $f=fopen("out.txt", "w"); fwrite($f, r()); ?>