MO::export_to_file_handle( resource $fh ): true

104		public function export_to_file_handle( $fh ) {105			$entries = array_filter( $this->entries, array( $this, 'is_entry_good_for_export' ) );106			ksort( $entries );107			$magic                     = 0x950412de;108			$revision                  = 0;109			$total                     = count( $entries ) + 1; // All the headers are one entry.110			$originals_lengths_addr    = 28;111			$translations_lengths_addr = $originals_lengths_addr + 8 * $total;112			$size_of_hash              = 0;113			$hash_addr                 = $translations_lengths_addr + 8 * $total;114			$current_addr              = $hash_addr;115			fwrite(116				$fh,117				pack(118					'V*',119					$magic,120					$revision,121					$total,122					$originals_lengths_addr,123					$translations_lengths_addr,124					$size_of_hash,125					$hash_addr126				)127			);128			fseek( $fh, $originals_lengths_addr );129 130			// Headers' msgid is an empty string.131			fwrite( $fh, pack( 'VV', 0, $current_addr ) );132			++$current_addr;133			$originals_table = "\0";134 135			$reader = new POMO_Reader();136 137			foreach ( $entries as $entry ) {138				$originals_table .= $this->export_original( $entry ) . "\0";139				$length           = $reader->strlen( $this->export_original( $entry ) );140				fwrite( $fh, pack( 'VV', $length, $current_addr ) );141				$current_addr += $length + 1; // Account for the NULL byte after.142			}143 144			$exported_headers = $this->export_headers();145			fwrite( $fh, pack( 'VV', $reader->strlen( $exported_headers ), $current_addr ) );146			$current_addr      += strlen( $exported_headers ) + 1;147			$translations_table = $exported_headers . "\0";148 149			foreach ( $entries as $entry ) {150				$translations_table .= $this->export_translations( $entry ) . "\0";151				$length              = $reader->strlen( $this->export_translations( $entry ) );152				fwrite( $fh, pack( 'VV', $length, $current_addr ) );153				$current_addr += $length + 1;154			}155 156			fwrite( $fh, $originals_table );157			fwrite( $fh, $translations_table );158			return true;159		}