mysql_insert_id(3) [php man page]

MYSQL_INSERT_ID(3)							 1							MYSQL_INSERT_ID(3)

mysql_insert_id - Get the ID generated in the last query

SYNOPSIS

       Warning

	      This  extension  is deprecated as of PHP 5.5.0, and will be removed in the future. Instead, the MySQLi or PDO_MySQL extension should
	      be used. See also MySQL: choosing an API guide and related FAQ for more information. Alternatives to this function include:

		     omysqli_insert_id(3)

		     o PDO::lastInsertId

       int mysql_insert_id ([resource  $link_identifier = NULL])

DESCRIPTION

	Retrieves the ID generated for an AUTO_INCREMENT column by the previous query (usually INSERT).

	      o $
		link_identifier -The MySQL connection. If the link identifier is not specified,  the  last  link  opened  by  mysql_connect(3)	is
		assumed. If no such link is found, it will try to create one as if mysql_connect(3) was called with no arguments. If no connection
		is found or established, an E_WARNING level error is generated.

	The ID generated for an AUTO_INCREMENT column by the previous query on success, 0 if the previous query does not generate  an  AUTO_INCRE-
       MENT value, or FALSE if no MySQL connection was established.

       Example #1

	      mysql_insert_id(3) example

	      <?php
	      $link = mysql_connect('localhost', 'mysql_user', 'mysql_password');
	      if (!$link) {
		  die('Could not connect: ' . mysql_error());
	      }
	      mysql_select_db('mydb');

	      mysql_query("INSERT INTO mytable (product) values ('kossu')");
	      printf("Last inserted record has id %d
", mysql_insert_id());
	      ?>

       Caution

	      mysql_insert_id(3) will convert the return type of the native MySQL C API function mysql_insert_id() to a type of long (named int in
	      PHP). If your AUTO_INCREMENT column has a column type of BIGINT (64 bits) the conversion may result in an incorrect value.  Instead,
	      use  the	internal  MySQL  SQL  function	LAST_INSERT_ID() in an SQL query. For more information about PHP's maximum integer values,
	      please see the integer documentation.

       Note

	       Because mysql_insert_id(3) acts on the last performed query, be sure to call mysql_insert_id(3) immediately after  the  query  that
	      generates the value.

       Note

	       The  value  of the MySQL SQL function LAST_INSERT_ID() always contains the most recently generated AUTO_INCREMENT value, and is not
	      reset between queries.

       mysql_query(3), mysql_info(3).

PHP Documentation Group 													MYSQL_INSERT_ID(3)

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MYSQL_ERROR(3)								 1							    MYSQL_ERROR(3)

mysql_error - Returns the text of the error message from previous MySQL operation

SYNOPSIS

       Warning

	      This  extension  is deprecated as of PHP 5.5.0, and will be removed in the future. Instead, the MySQLi or PDO_MySQL extension should
	      be used. See also MySQL: choosing an API guide and related FAQ for more information. Alternatives to this function include:

		     omysqli_error(3)

		     o PDO::errorInfo

       string mysql_error ([resource  $link_identifier = NULL])

DESCRIPTION

	Returns the error text from the last MySQL function. Errors coming back from the MySQL database backend no longer issue warnings. Instead,
       use  mysql_error(3)  to	retrieve the error text. Note that this function only returns the error text from the most recently executed MySQL
       function (not including mysql_error(3) and mysql_errno(3)), so if you want to use it, make sure you check the value before calling  another
       MySQL function.

	      o $
		link_identifier  -The  MySQL  connection.  If  the  link  identifier is not specified, the last link opened by mysql_connect(3) is
		assumed. If no such link is found, it will try to create one as if mysql_connect(3) was called with no arguments. If no connection
		is found or established, an E_WARNING level error is generated.

	Returns the error text from the last MySQL function, or '' (empty string) if no error occurred.

       Example #1

	      mysql_error(3) example

	      <?php
	      $link = mysql_connect("localhost", "mysql_user", "mysql_password");

	      mysql_select_db("nonexistentdb", $link);
	      echo mysql_errno($link) . ": " . mysql_error($link). "
";

	      mysql_select_db("kossu", $link);
	      mysql_query("SELECT * FROM nonexistenttable", $link);
	      echo mysql_errno($link) . ": " . mysql_error($link) . "
";
	      ?>

	      The above example will output something similar to:

	      1049: Unknown database 'nonexistentdb'
	      1146: Table 'kossu.nonexistenttable' doesn't exist

       mysql_errno(3), MySQL error codes.

PHP Documentation Group 													    MYSQL_ERROR(3)

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