Why won't my array get inserted into my Database? - php

Question

I have this code and for some reason it won't get inserted into my database. It's basically taking an array, turning it into a string and then submit the values.
(If you need me to edit to show my whole code, I will do so)
Code I am having issues with down below
$array = array($RaceNumber,$Track,$Num,$HorseName,$Odds,$Color,$Jockey,$Trainer,$PostTime,$Course,$RaceDistance,$Win,$Place,$Show);
for ($a=0; $a<$Num; $a++) {
$dataArray=array($RaceNumber[$a],$Track[$a],$Num[$a],$HorseName[$a],$Odds[$a],$Color[$a],$Jockey[$a],$Trainer[$a],$PostTime[$a],$Course[$a],$RaceDistance[$a],$Win[$a],$Place[$a],$Show[$a]);
$dataArray--;
for ($j=0; $j<$Num; $j++) {
$RaceNumber=$dataArray[0];
$Track=$dataArray[1];
$Num=$dataArray[2];
$HorseName=$dataArray[3];
$Odds=$dataArray[4];
$Color=$dataArray[5];
$Jockey=$dataArray[6];
$Trainer=$dataArray[7];
$PostTime=$dataArray[8];
$Course=$dataArray[9];
$RaceDistance=$dataArray[10];
$Win=$dataArray[11];
$Place=$dataArray[12];
$Show=$dataArray[13];
$sql="INSERT INTO `$Date` (RaceNumber,Track,HorseNum,HorseName,Odds,Color,JockeyName,TrainerName,PostTime,Course,RaceDistance,Win,Place,Show) VALUES ('$RaceNumber','$Track','$Num','$HorseName','$Odds','$Color','$Jockey','$Trainer','$PostTime','$Course','$RaceDistance','$Win','$Place','$Show')";
echo $sql;
mysqli_query($query2,$sql);
}
}
when I echo my $sql I get
INSERT INTO 2018-09-20 (RaceNumber,Track,HorseNum,HorseName,Odds,Color,JockeyName,TrainerName,PostTime,Course,RaceDistance,Win,Place,Show) VALUES ('1','FingerLakes','1','','','Red','','','','Dirt','','none','none','none')
But when I do my query, it isn't inserting into database.
Part of my code where I create the datatable
<?php
if(isset($_POST['submit'])) {
$Date = $_POST['date'];
$sql = "CREATE TABLE IF NOT EXISTS `$Date` (
`Id` int NOT NULL AUTO_INCREMENT PRIMARY KEY,
`RaceNumber` varchar(255) NOT NULL,
`Track` varchar(255) NOT NULL,
`HorseNum` varchar(255) NOT NULL,
`HorseName` varchar(255) NOT NULL,
`Odds` varchar(255) NOT NULL,
`Color` varchar(255) NOT NULL,
`JockeyName` varchar(255) NOT NULL,
`TrainerName` varchar(255) NOT NULL,
`PostTime` varchar(255) NOT NULL,
`Course` varchar(255) NOT NULL,
`RaceDistance` varchar(255) NOT NULL,
`Win` varchar(255) NOT NULL,
`Place` varchar(255) NOT NULL,
`Show` varchar(255) NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8"
;
$query2 = mysqli_connect('localhost','root','','Races');
$z= mysqli_query($query2, $sql) or die("Table already exist.. please try again");
echo "Your Table ".$Date." is successfully created <br/>";
$RaceNum = $_POST['RaceNum'];
$i=1;
I am receiving in my error log of
2018-09-20 16:00:59 9444 [ERROR] Incorrect definition of table mysql.column_stats: expected column 'max_value' at position 4 to have type varbinary(255), found type varchar(255).

Answer 1

You are using a column named Show that's a reserved keyword in mysql, add backquotes to it and the insert query should work.
It's worth noting that you shouldn't name your table with only digits and hyphens.
For reference here is the complete list of the reserved keywords:
https://dev.mysql.com/doc/refman/8.0/en/keywords.html