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PHP Functions

Function: mysqli_stmt_result_metadata

(PHP 5)

mysqli_stmt_result_metadata -- Returns result set metadata from a prepared statement

Description

Procedural style:

mysqli_result mysqli_stmt_result_metadata ( mysqli_stmt stmt )

Object oriented style (method):

class mysqli_stmt { mysqli_result result_metadata ( void ) }

If a statement passed to mysqli_prepare() is one that produces a result set, mysqli_stmt_result_metadata() returns the result object that can be used to process the meta information such as total number of fields and individual field information.

Note: This result set pointer can be passed as an argument to any of the field-based functions that process result set metadata, such as:

mysqli_num_fields()

mysqli_fetch_field()

mysqli_fetch_field_direct()

mysqli_fetch_fields()

mysqli_field_count()

mysqli_field_seek()

mysqli_field_tell()

mysqli_free_result()

The result set structure should be freed when you are done with it, which you can do by passing it to mysqli_free_result()

Note: The result set returned by mysqli_stmt_result_metadata() contains only metadata. It does not contain any row results. The rows are obtained by using the statement handle with mysqli_stmt_fetch() .

Return Values

mysqli_stmt_result_metadata() returns a result object or FALSE if an error occured.

Related Function(s)

  • mysqli_prepare()
  • mysqli_num_fields()
  • mysqli_fetch_field()
  • mysqli_fetch_field_direct()
  • mysqli_fetch_fields()
  • mysqli_field_count()
  • mysqli_field_seek()
  • mysqli_field_tell()
  • mysqli_free_result()
  • mysqli_stmt_fetch()
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