mysqli_field_count(3) [php man page]

MYSQLI_FIELD_COUNT(3)							 1						     MYSQLI_FIELD_COUNT(3)

mysqli::$field_count - Returns the number of columns for the most recent query

       Object oriented style

SYNOPSIS

       int$mysqli->field_count ()

DESCRIPTION

       Procedural style
       int mysqli_field_count (mysqli  $link)

	Returns  the number of columns for the most recent query on the connection represented by the $link parameter. This function can be useful
       when using the mysqli_store_result(3) function to determine if the query should have produced a non-empty result set or not without knowing
       the nature of the query.

PARAMETERS

	      o $
		link -Procedural style only: A link identifier returned by mysqli_connect(3) or mysqli_init(3)

RETURN VALUES

	An integer representing the number of fields in a result set.

EXAMPLES

       Example #1

	      $mysqli->field_count example

	      Object oriented style

	      <?php
	      $mysqli = new mysqli("localhost", "my_user", "my_password", "test");

	      $mysqli->query( "DROP TABLE IF EXISTS friends");
	      $mysqli->query( "CREATE TABLE friends (id int, name varchar(20))");

	      $mysqli->query( "INSERT INTO friends VALUES (1,'Hartmut'), (2, 'Ulf')");

	      $mysqli->real_query("SELECT * FROM friends");

	      if ($mysqli->field_count) {
		  /* this was a select/show or describe query */
		  $result = $mysqli->store_result();

		  /* process resultset */
		  $row = $result->fetch_row();

		  /* free resultset */
		  $result->close();
	      }

	      /* close connection */
	      $mysqli->close();
	      ?>

	      Procedural style

	      <?php
	      $link = mysqli_connect("localhost", "my_user", "my_password", "test");

	      mysqli_query($link, "DROP TABLE IF EXISTS friends");
	      mysqli_query($link, "CREATE TABLE friends (id int, name varchar(20))");

	      mysqli_query($link, "INSERT INTO friends VALUES (1,'Hartmut'), (2, 'Ulf')");

	      mysqli_real_query($link, "SELECT * FROM friends");

	      if (mysqli_field_count($link)) {
		  /* this was a select/show or describe query */
		  $result = mysqli_store_result($link);

		  /* process resultset */
		  $row = mysqli_fetch_row($result);

		  /* free resultset */
		  mysqli_free_result($result);
	      }

	      /* close connection */
	      mysqli_close($link);
	      ?>

PHP Documentation Group 												     MYSQLI_FIELD_COUNT(3)

MYSQLI_COMMIT(3)							 1							  MYSQLI_COMMIT(3)

mysqli::commit - Commits the current transaction

       Object oriented style

SYNOPSIS

       bool mysqli::commit ([int  $flags], [string  $name])

DESCRIPTION

       Procedural style
       bool mysqli_commit (mysqli  $link, [int	$flags], [string  $name])

	Commits the current transaction for the database connection.

PARAMETERS

	      o $
		link -Procedural style only: A link identifier returned by mysqli_connect(3) or mysqli_init(3)

	      o $flags
		- A bitmask of MYSQLI_TRANS_COR_* constants.

	      o $name
		- If provided then COMMIT/*name*/ is executed.

RETURN VALUES

	Returns TRUE on success or FALSE on failure.

CHANGELOG

       +--------+-------------------------------------+
       |Version |				      |
       |	|				      |
       |	|	      Description	      |
       |	|				      |
       +--------+-------------------------------------+
       | 5.5.0	|				      |
       |	|				      |
       |	|  Added $flags and $name parameters. |
       |	|				      |
       +--------+-------------------------------------+
EXAMPLES

       Example #1

	      mysqli::commit example

	      Object oriented style

	      <?php
	      $mysqli = new mysqli("localhost", "my_user", "my_password", "world");

	      /* check connection */
	      if (mysqli_connect_errno()) {
		  printf("Connect failed: %s
", mysqli_connect_error());
		  exit();
	      }

	      $mysqli->query("CREATE TABLE Language LIKE CountryLanguage");

	      /* set autocommit to off */
	      $mysqli->autocommit(FALSE);

	      /* Insert some values */
	      $mysqli->query("INSERT INTO Language VALUES ('DEU', 'Bavarian', 'F', 11.2)");
	      $mysqli->query("INSERT INTO Language VALUES ('DEU', 'Swabian', 'F', 9.4)");

	      /* commit transaction */
	      if (!$mysqli->commit()) {
		  print("Transaction commit failed
");
		  exit();
	      }

	      /* drop table */
	      $mysqli->query("DROP TABLE Language");

	      /* close connection */
	      $mysqli->close();
	      ?>

	      Procedural style

	      <?php
	      $link = mysqli_connect("localhost", "my_user", "my_password", "test");

	      /* check connection */
	      if (!$link) {
		  printf("Connect failed: %s
", mysqli_connect_error());
		  exit();
	      }

	      /* set autocommit to off */
	      mysqli_autocommit($link, FALSE);

	      mysqli_query($link, "CREATE TABLE Language LIKE CountryLanguage");

	      /* Insert some values */
	      mysqli_query($link, "INSERT INTO Language VALUES ('DEU', 'Bavarian', 'F', 11.2)");
	      mysqli_query($link, "INSERT INTO Language VALUES ('DEU', 'Swabian', 'F', 9.4)");

	      /* commit transaction */
	      if (!mysqli_commit($link)) {
		  print("Transaction commit failed
");
		  exit();
	      }

	      /* close connection */
	      mysqli_close($link);
	      ?>

SEE ALSO

       mysqli_autocommit(3), mysqli_begin_transaction(3), mysqli_rollback(3), mysqli_savepoint(3).

PHP Documentation Group 													  MYSQLI_COMMIT(3)