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<?php |
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// Backward compatibility for WP versions older than 3.3, in which the method MO::export does not exist |
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// FIXME to be removed once WP 3.2.1 and older versions is no more supported |
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|
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function pll_mo_export($mo) { |
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$tmp_fh = fopen("php://temp", 'r+'); |
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if ( !$tmp_fh ) return false; |
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pll_mo_export_to_file_handle( $mo, $tmp_fh ); |
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rewind( $tmp_fh ); |
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return stream_get_contents( $tmp_fh ); |
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} |
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|
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function pll_mo_export_to_file_handle($mo, $fh) { |
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$entries = array_filter($mo->entries, create_function('$e', 'return !empty($e->translations);')); |
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ksort($entries); |
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$magic = 0x950412de; |
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$revision = 0; |
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$total = count($entries) + 1; // all the headers are one entry |
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$originals_lenghts_addr = 28; |
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$translations_lenghts_addr = $originals_lenghts_addr + 8 * $total; |
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$size_of_hash = 0; |
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$hash_addr = $translations_lenghts_addr + 8 * $total; |
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$current_addr = $hash_addr; |
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fwrite($fh, pack('V*', $magic, $revision, $total, $originals_lenghts_addr, |
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$translations_lenghts_addr, $size_of_hash, $hash_addr)); |
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fseek($fh, $originals_lenghts_addr); |
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|
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// headers' msgid is an empty string |
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fwrite($fh, pack('VV', 0, $current_addr)); |
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$current_addr++; |
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$originals_table = chr(0); |
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|
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foreach($entries as $entry) { |
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$originals_table .= $mo->export_original($entry) . chr(0); |
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$length = strlen($mo->export_original($entry)); |
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fwrite($fh, pack('VV', $length, $current_addr)); |
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$current_addr += $length + 1; // account for the NULL byte after |
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} |
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|
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$exported_headers = $mo->export_headers(); |
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fwrite($fh, pack('VV', strlen($exported_headers), $current_addr)); |
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$current_addr += strlen($exported_headers) + 1; |
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$translations_table = $exported_headers . chr(0); |
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|
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foreach($entries as $entry) { |
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$translations_table .= $mo->export_translations($entry) . chr(0); |
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$length = strlen($mo->export_translations($entry)); |
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fwrite($fh, pack('VV', $length, $current_addr)); |
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$current_addr += $length + 1; |
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} |
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|
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fwrite($fh, $originals_table); |
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fwrite($fh, $translations_table); |
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return true; |
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} |
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?> |
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