Pagination PHP script works on wamp but not on live server - php

Question

I used a code for pagination of the search result. It works fine on the wamp but when i run it on the live server, only page one shows the result and nothing comes up for page two. I think something is wrong with the get functions that I am using. Anybody can guess the error or suggest me a solution. Following is the code used.
$query2 = "SELECT student_information.searcher, student_information.student_number, student_information.birth_date, student_information.first_name, student_information.last_name, student_information.second_name, student_information.gender, student_information.reg_date, student_information.email_add1, student_information.email_add2, student_information.home_phone, student_information.business_phone, student_information.home_address, student_information.city, student_information.province, student_information.postal_code, student_information.country, student_information.native_language, student_information.canadian_citizen, student_information.date_entry, student_information.ref_name, student_information.ref_email, student_information.wdhau, student_information.status, student_information.school_name, student_information.school_number, student_information.school_add, student_information.special_exam_req, student_information.guidance_coun, student_information.phone_school, student_information.fax_school, student_information.email_school, student_information.last_year_att, student_information.min, student_information.oen, student_information.sh_osr, student_information.sp_need, student_information.iep_rec, student_information.academic_fr_rp, student_information.med_note_rec, student_information.osr, student_information.req_date, student_information.date_osr_tran, student_information.date_osr_received, student_information.mse_plar, student_information.mse_plar_date, student_information.literacy_status, student_information.com_inv_hours, student_information.oces_dip FROM student_information,course_information Where student_information.searcher = 'y' ORDER by student_information.first_name ";
$result2 = mysqli_query($connection, $query2);
confirm_query($result2);
$num_rows5 = mysqli_num_rows($result2);
$page_rows = 2;
$total_pages = ceil($num_rows5/$page_rows);
if($total_pages<1){
$total_pages = 1;
}
$pagenum = 1;
if(isset($_GET['pn'])){
$pagenum = $_GET['pn'];
}
if($pagenum<1){
$pagenum = 1;
}else if($pagenum > $total_pages){
$pagenum = $total_pages;
}
$limit = 'LIMIT '.($pagenum-1)*$page_rows.','.$page_rows;
$query = "SELECT student_information.searcher, student_information.student_number, student_information.birth_date, student_information.first_name, student_information.last_name, student_information.second_name, student_information.gender, student_information.reg_date, student_information.email_add1, student_information.email_add2, student_information.home_phone, student_information.business_phone, student_information.home_address, student_information.city, student_information.province, student_information.postal_code, student_information.country, student_information.native_language, student_information.canadian_citizen, student_information.date_entry, student_information.ref_name, student_information.ref_email, student_information.wdhau, student_information.status, student_information.school_name, student_information.school_number, student_information.school_add, student_information.special_exam_req, student_information.guidance_coun, student_information.phone_school, student_information.fax_school, student_information.email_school, student_information.last_year_att, student_information.min, student_information.oen, student_information.sh_osr, student_information.sp_need, student_information.iep_rec, student_information.academic_fr_rp, student_information.med_note_rec, student_information.osr, student_information.req_date, student_information.date_osr_tran, student_information.date_osr_received, student_information.mse_plar, student_information.mse_plar_date, student_information.literacy_status, student_information.com_inv_hours, student_information.oces_dip FROM student_information,course_information Where student_information.searcher = 'y' ORDER by student_information.first_name $limit";
$result = mysqli_query($connection, $query);
confirm_query($result);
$text1 = "Showing <b>2</b> of total <b> $num_rows5</b> results found.";
$text2 = "Page <b>$pagenum</b> of <b>$total_pages</b>";
$paginationctrl = '';
if($total_pages!=1){
if($pagenum>1){
$previous = $pagenum-1;
$paginationctrl .= 'Previous &nbsp ';
for($i=$pagenum-4; $i<$pagenum;$i++){
if($i>0){
$paginationctrl .= ''.$i.' &nbsp ';
}
}
}
$paginationctrl .= ''.$pagenum.'&nbsp ';
for($i=$pagenum+1; $i<=$total_pages;$i++){
$paginationctrl .= ''.$i.' &nbsp ';
if($i>=$pagenum+4){
break;
}
}
if($pagenum!=$total_pages){
$next=$pagenum+1;
$paginationctrl .= '&nbsp &nbsp Next';
}
}
if (!$result) {
// Failure
$_SESSION["message"] = "Admin creation failed. " .mysqli_error($connection);
}
}`