What does the -z expression stand for? Post: 302835911

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LEARN ABOUT PHP

db2_stmt_error

DB2_STMT_ERROR(3)							 1							 DB2_STMT_ERROR(3)

db2_stmt_error - Returns a string containing the SQLSTATE returned by an SQL statement

SYNOPSIS

       string db2_stmt_error ([resource  $stmt])

DESCRIPTION

	Returns a string containing the SQLSTATE value returned by an SQL statement.

	If  you  do  not  pass a statement resource as an argument to db2_stmt_error(3), the driver returns the SQLSTATE value associated with the
       last attempt to return a statement resource, for example, from db2_prepare(3) or db2_exec(3).

	To learn what the SQLSTATE value means, you can issue the following command at a DB2 Command Line  Processor  prompt:  db2  '?	$sqlstate-
       value'. You can also call db2_stmt_errormsg(3) to retrieve an explicit error message and the associated SQLCODE value.

PARAMETERS

	      o $stmt
		- A valid statement resource.

RETURN VALUES

	Returns a string containing an SQLSTATE value.

SEE ALSO

       db2_conn_error(3), db2_conn_errormsg(3), db2_stmt_errormsg(3).

PHP Documentation Group 													 DB2_STMT_ERROR(3)