What is the error in the SQL syntax in the provided PHP code snippet?

The error in the SQL syntax in the provided PHP code snippet is that the column names in the INSERT INTO statement are not enclosed in backticks (`) which is required when the column names contain spaces or special characters. To fix this issue, you need to enclose the column names in backticks to ensure the SQL query is executed correctly. 

// Incorrect SQL syntax
$sql = "INSERT INTO users (first name, last name, email) VALUES ('$first_name', '$last_name', '$email')";

// Corrected SQL syntax
$sql = "INSERT INTO users (`first name`, `last name`, email) VALUES ('$first_name', '$last_name', '$email')";

Keywords

SQL syntax PHP code snippet error troubleshooting debugging

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