mysqli_query w3schools
if (!$conn) die("Connection failed: " . mysqli_connect_error()); } $sql = "SELECT id, firstname, lastname FROM MyGuests"; $result = mysqli_query($conn, $sql); ,mysqli_query($con,"INSERT INTO Persons (FirstName,LastName,Age) VALUES ('Glenn','Quagmire',33)"); // Commit transaction if (!$mysqli_commit($con)) ,Perform a query, check for error if (!mysqli_query($con,"INSERT INTO Persons (FirstName) VALUES ('Glenn')")) echo("Error description: " . mysqli_error($con)); } ,$result = mysqli_query($con,$sql); // Numeric array $row = mysqli_fetch_array($result, MYSQLI_NUM); printf ("%s (%s)-n", $row[0], $row[1]); // Associative array ,if ($result = mysqli_query($con, $sql)) // Get field information for all fields while ($fieldinfo = mysqli_fetch_field($result)) printf("Name: %s-n", $fieldinfo -> name); ,if ($result = mysqli_query($con , $sql)) // Get field information for all fields $fieldinfo = mysqli_fetch_fields($result); foreach ($fieldinfo as $val) printf("Name: ... ,if ($result = mysqli_query($con, $sql)) // Fetch one and one row while ($row = mysqli_fetch_row($result)) printf ("%s (%s)-n", $row[0], $row[1]); } ,Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, PHP, Python, Bootstrap, Java ... ,The query() / mysqli_query() function performs a query against a database. Syntax. Object oriented style: $mysqli -> query(query, resultmode). Procedural style:. ,if ($result=mysqli_query($con,$sql)) // Return the number of rows in result set $rowcount=mysqli_num_rows($result); printf("Result set has %d rows.
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 mysqli_query w3schools 相關參考資料
PHP MySQL Select Data - W3Schools
if (!$conn) die("Connection failed: " . mysqli_connect_error()); } $sql = "SELECT id, firstname, lastname FROM MyGuests"; $result = mysqli_query($conn, $sql); https://www.w3schools.com PHP mysqli commit() Function - W3Schools
mysqli_query($con,"INSERT INTO Persons (FirstName,LastName,Age) VALUES ('Glenn','Quagmire',33)"); // Commit transaction if (!$mysqli_commit($con)) https://www.w3schools.com PHP mysqli error() Function - W3Schools
Perform a query, check for error if (!mysqli_query($con,"INSERT INTO Persons (FirstName) VALUES ('Glenn')")) echo("Error description: " . mysqli_error($con)); } https://www.w3schools.com PHP mysqli fetch_array() Function - W3Schools
$result = mysqli_query($con,$sql); // Numeric array $row = mysqli_fetch_array($result, MYSQLI_NUM); printf ("%s (%s)-n", $row[0], $row[1]); // Associative array https://www.w3schools.com PHP mysqli fetch_field() Function - W3Schools
if ($result = mysqli_query($con, $sql)) // Get field information for all fields while ($fieldinfo = mysqli_fetch_field($result)) printf("Name: %s-n", $fieldinfo -> name); https://www.w3schools.com PHP mysqli fetch_fields() Function - W3Schools
if ($result = mysqli_query($con , $sql)) // Get field information for all fields $fieldinfo = mysqli_fetch_fields($result); foreach ($fieldinfo as $val) printf("Name: ... https://www.w3schools.com PHP mysqli fetch_row() Function - W3Schools
if ($result = mysqli_query($con, $sql)) // Fetch one and one row while ($row = mysqli_fetch_row($result)) printf ("%s (%s)-n", $row[0], $row[1]); } https://www.w3schools.com PHP MySQLi Functions - W3Schools
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, PHP, Python, Bootstrap, Java ... https://www.w3schools.com PHP mysqli query() Function - W3Schools
The query() / mysqli_query() function performs a query against a database. Syntax. Object oriented style: $mysqli -> query(query, resultmode). Procedural style:. https://www.w3schools.com PHP mysqli_num_rows() Function - W3Schools
if ($result=mysqli_query($con,$sql)) // Return the number of rows in result set $rowcount=mysqli_num_rows($result); printf("Result set has %d rows. https://www.w3schools.com |