How can syntax errors in SQL queries be identified and corrected within PHP scripts?

Syntax errors in SQL queries can be identified and corrected within PHP scripts by carefully reviewing the query string for any typos or missing punctuation. Additionally, using PHP functions like mysqli_error() can help pinpoint the exact syntax error in the query. 

// Example PHP code snippet to identify and correct syntax errors in SQL queries
$sql = "SELECT * FROM users WHERE username = 'john'";
$result = mysqli_query($connection, $sql);

if (!$result) {
    echo "Error: " . mysqli_error($connection);
} else {
    // Process the query result
}

Keywords

SQL syntax errors PHP scripts error handling debugging SQL queries

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