How do I use the _post variable as the name of a msql table in PHP

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SQL

PHP

i've searched over the internet an i found what i wrote there below but i'm getting a syntax error..please for help..
for example
<?php

$table_name = $_POST["name"];

try {
$sql = "CREATE TABLE " .$table_name. " (

id INT NOT NULL AUTO_INCREMENT PRIMARY KEY,

joketext TEXT,

jokedate DATE NOT NULL

)";
?>

please i will like to know the correct syntax for using $table_name as the name of my table..given that $table_stores a post value

What I have tried:

<?php

$table_name = $_POST["name"];

try {
$sql = "CREATE TABLE " .$table_name. " (

id INT NOT NULL AUTO_INCREMENT PRIMARY KEY,

joketext TEXT,

jokedate DATE NOT NULL

)";
?>