PHP uses mysqli query() or mysql_query() function to delete records in a MySQL table. This function takes two parameters and returns TRUE on success or FALSE on failure.
Syntax
$mysqli->query($sql,$resultmode)
| Sr.No. | Parameter & Description |
|---|---|
| 1 | $sqlRequired – SQL query to delete records in a MySQL table. |
| 2 | $resultmodeOptional – Either the constant MYSQLI_USE_RESULT or MYSQLI_STORE_RESULT depending on the desired behavior. By default, MYSQLI_STORE_RESULT is used. |
Example
Try the following example to delete a record in a table −
Copy and paste the following example as mysql_example.php −
<html>
<head>
<title>Deleting MySQL Table record</title>
</head>
<body>
<?php
$dbhost = 'localhost';
$dbuser = 'root';
$dbpass = 'root@123';
$dbname = 'ADGLOB';
$mysqli = new mysqli($dbhost, $dbuser, $dbpass, $dbname);
if($mysqli->connect_errno ) {
printf("Connect failed: %s<br />", $mysqli->connect_error);
exit();
}
printf('Connected successfully.<br />');
if ($mysqli->query('DELETE FROM adglob_tbl where adglob_id = 4')) {
printf("Table adglob_tbl record deleted successfully.<br />");
}
if ($mysqli->errno) {
printf("Could not delete record from table: %s<br />", $mysqli->error);
}
$sql = "SELECT adglob_id, adglob_title, adglob_author, submission_date FROM adglob_tbl";
$result = $mysqli->query($sql);
if ($result->num_rows > 0) {
while($row = $result->fetch_assoc()) {
printf("Id: %s, Title: %s, Author: %s, Date: %d <br />",
$row["adglob_id"],
$row["adglob_title"],
$row["adglob_author"],
$row["submission_date"]);
}
} else {
printf('No record found.<br />');
}
mysqli_free_result($result);
$mysqli->close();
?>
</body>
</html>
Output
Access the mysql_example.php deployed on apache web server and verify the output. Here we’ve entered multiple records in the table before running the select script.
Connected successfully. Table Adglob_tbl record deleted successfully. Id: 1, Title: MySQL adglob, Author: Jay, Date: 2021 Id: 2, Title: HTML adglob, Author: Jay, Date: 2021 Id: 3, Title: PHP adglob, Author: Jay, Date: 2021 Id: 5, Title: Apache , Author: Subu, Date: 2021
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