Error in if/else statement MySQL [duplicate] - php

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PHP parse/syntax errors; and how to solve them
(20 answers)
Closed 7 years ago.
I need some help making an if/else statement work in mysql
The if statement works proper, but the else statement buggs. I browers tells me
"Parse error: syntax error, unexpected 'else' (T_ELSE) in /var/www/domane/public_html/app/save.php on line 48" - which is the else line
It's supposed to get the current value of the row, and then add it to the new value and update it
<?php
$dsn = "databasename";
$username="username";
$password="password";
try {
$conn = new PDO($dsn, $username, $password);
$conn ->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
} catch(PDOException $e) {
echo "Connection failed: ".$e->getMessage();
}
//------------------------ Does the category already exist in dietTbl? -------------------------
$sql="SELECT COUNT(*) AS subjectcount FROM dietTbl WHERE day=CURDATE()";
try {
$st = $conn->prepare($sql);
$st->bindValue(":mainsubject",$mainSubject, PDO::PARAM_STR);
$st->execute();
$row=$st->fetch();
$subjectcount=$row["subjectcount"]; // if >0 the yes, the category already exists
} catch (PDOException $e) {
echo "Server Error - try again!".$e->getMessage();
};
//------------------------ If it dosn't, insert it into dietTbl -------------------------
if ($subjectcount==0) {
$sql="INSERT INTO dietTbl (day, vegetables, fullgrain, milk, water) values (:day, :vegetables, :fullgrain, :milk, :water)";
try {
$st = $conn->prepare($sql);
$st->bindValue(":day",$_POST["day"], PDO::PARAM_STR);
$st->bindValue(":vegetables",$_POST["vegetables"], PDO::PARAM_STR);
$st->bindValue(":fullgrain",$_POST["fullgrain"], PDO::PARAM_STR);
$st->bindValue(":milk",$_POST["milk"], PDO::PARAM_STR);
$st->bindValue(":water",$_POST["water"], PDO::PARAM_STR);
$st->execute();
} catch (PDOException $e) {
echo "Server Error - try again!".$e->getMessage();
}
};
//------------------------ If it already exists, update dietTbl -------------------------
else {
SELECT SUM(vegetables) AS totalvegetables, SUM(fullgrain) AS totalfullgrain, SUM(milk) AS totalmilk, SUM(water) AS totalwater FROM dietTbl
$sql="UPDATE INTO dietTbl (vegetables, fullgrain, milk, water) values (:vegetables+totalvegetables, :fullgrain+totalfullgrain, :milk+totalmilk, :water+totalwater)";
try {
$st = $conn->prepare($sql);
$st->bindValue(":vegetables",$_POST["vegetables"], PDO::PARAM_STR);
$st->bindValue(":fullgrain",$_POST["fullgrain"], PDO::PARAM_STR);
$st->bindValue(":milk",$_POST["milk"], PDO::PARAM_STR);
$st->bindValue(":water",$_POST["water"], PDO::PARAM_STR);
$st->execute();
} catch (PDOException $e) {
echo "Server Error - try again!".$e->getMessage();
}
};
echo "Information saved";
$conn=null; //Close database connection
?>

Answer 1

From this part of code:
};
//------------------------ If it already exists, update dietTbl ----------
else {
remove ";"