do a print_r to your $a variable, there you see everything that is happening
echo '<pre>';
print_r($a);
echo '</pre>';
die();
this way you can see if the url variable has double quotes, because it seems it doesnt have.
do a print_r to your $a variable, there you see everything that is happening
echo '<pre>';
print_r($a);
echo '</pre>';
die();
this way you can see if the url variable has double quotes, because it seems it doesnt have.