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Description

For string fields, record the maximum string length that field can safely save.

Usage

$array|false = wpdb::process_field_lengths( $data, $table );

Parameters

$data

( array ) required – As it comes from the wpdb::process_field_charsets() method.

$table

( string ) required – Table name.

Returns

array|false The same array as $data with additional 'length' keys, or false if any of the values were too long for their corresponding field.

Source

File name: wordpress/wp-includes/wp-db.php
Lines:

  protected function process_field_lengths( $data, $table ) {
    foreach ( $data as $field => $value ) {
      if ( '%d' === $value['format'] || '%f' === $value['format'] ) {
        /*
				 * We can skip this field if we know it isn't a string.
				 * This checks %d/%f versus ! %s because its sprintf() could take more.
				 */
        $value['length'] = false;
      } else {
        $value['length'] = $this->wpdb::get_col_length( $table, $field );
        if ( is_wp_error( $value['length'] ) ) {
          return false;
        }
      }

      $data[ $field ] = $value;
    }

    return $data;
  }
 

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