php_booking/function.php at master · sumitprojects/php_booking · GitHub

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<?php

//header('location:index.php');
functionconnection(){
try{
$con = mysqli_connect("localhost","root","","hoteldb");
 }catch(Exception$e){
echo$e->getMessage();
 }
return$con;
}

functionbuild_sql_insert($table, $data) {
try {
$con = connection();
$key = array_keys($data);
$val = array_values($data);
$sql = "INSERT INTO $table (" . implode(', ', $key) . ") " . "VALUES ('" . implode("', '", $val) . "')";
$res = mysqli_query($con,$sql);
 }catch(Exception$e){
echo$e->getMessage();
 }
return($res);
}

functionbuild_sql_check($table, $col_to_check,$val_of_col) {
try {
$con = connection();
$sql = "SELECT * from $table WHERE $col_to_check = '{$val_of_col}'";
$res = mysqli_query($con,$sql);
$row = mysqli_num_rows($res);
 }catch(Exception$e){
echo$e->getMessage();
 }
return ($row);
}

functionbuild_sql_delete($table, $primary_key ,$value ) {
try {
$con = connection();
$sql = "DELETE from $table WHERE $primary_key = $value";
$res = mysqli_query($con,$sql);
 }catch(Exception$e){
echo$e->getMessage();
 }
return($res);
}

functionuserlogin($username,$password){
try{
$con = connection();
$sql ="SELECT * from registration where uname='".$username."' and password='".$password."'";
$res = mysqli_query($con,$sql);
$r = mysqli_num_rows($res);
 }catch(Exception$e){
echo$e->getMessage();
 }
return$r;
}
functionadminlogin($data){
try{
$con = connection();
$sql ="SELECT * from employee where u_name='".$data['u_name']."' and password='".$data['password']."'";
$res = mysqli_query($con,$sql);
$r = mysqli_num_rows($res);
 }catch(Exception$e){
echo$e->getMessage();
 }
return$r;
}

/* function to build SQL UPDATE string */
functionbuild_sql_update($table, $data,$primary_key,$where)
{
try{
$con = connection();
$cols = array();
foreach($dataas$key=>$val) {
$cols[] = "$key = '$val'";
 }
$sql = "UPDATE $table SET " . implode(', ', $cols) . " WHERE $primary_key = $where";
$res = mysqli_query($con,$sql);
$r = mysqli_num_rows($res);
 }catch(Exception$e){
echo$e->getMessage();
 }
return($r);
}

functionselectalldatabyid($table,$primary_key,$id){
try{
$con = connection();
$cols = array();
$sql = "SELECT * from $table WHERE $primary_key=$id";
$result = mysqli_query($con, $sql);//0 or 1>
$row = mysqli_fetch_array($result,MYSQLI_ASSOC);
 }catch(Exception$e){
echo$e->getMessage();
 }
return($row);
}

functionselectbyusername($u_name){
try {
$con = connection();
$selectalldata = "SELECT * from employee where u_name='".$u_name."'";
$result = mysqli_query($con, $selectalldata);//0 or 1>
$row = mysqli_fetch_array($result,MYSQLI_ASSOC);
 } catch (Exception$e) {
echo'Message: ' .$e->getMessage();
 }
return$row;
}

functioncounttablerows($table){
try {
$con = connection();
$selectalldata = "SELECT * from $table";
$result = mysqli_query($con, $selectalldata);//0 or 1>
$row = mysqli_num_rows($result);
 } catch (Exception$e) {
echo'Message: ' .$e->getMessage();
 }
/*echo "<pre>";
 print_r($row);
 echo "</pre>";*/
return$row;
}

functionselectalldataby($table){
try {
$con = connection();
$selectalldata = "SELECT * from $table";
$result = mysqli_query($con, $selectalldata);//0 or 1>
$row = mysqli_fetch_all($result,MYSQLI_ASSOC);
 } catch (Exception$e) {
echo'Message: ' .$e->getMessage();
 }
/*echo "<pre>";
 print_r($row);
 echo "</pre>";*/
return$row;
}

?>