80 lines
1.5 KiB
PHP
80 lines
1.5 KiB
PHP
<?php
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function pdfs_basename($pdf){
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return basename($source, ".pdf");
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}
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function pdfs_count($pdf){
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$result = exec("pdftk $pdf dump_data | grep NumberOfPages");
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return trim(str_replace("NumberOfPages:", '', $result));
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}
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function pdfs_hash($pdf){
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$basefile = basename($pdf, ".pdf");
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return md5($basefile);
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}
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function pdfs_cachefile($pdf){
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$name = pdfs_hash($pdf).'.pdf';
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$cachefile = PDFDIR.$name;
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$cacheurl = PDFPATH.$name;
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if (!file_exists($cachefile)) {
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if (copy($pdf, $cachefile))
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return $cacheurl;
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else
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return false;
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}
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return $cacheurl;
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}
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function pdfs_init($source, $page = 1){
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$result = array();
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if (!file_exists($source))
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return false;
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$result['pdfurl'] = SITE.trim(pdfs_cachefile($source), '/'); //полный файл на скачку
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$name = pdfs_hash($source);
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$cachedir = PGDIR.$name.'/';
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$cachefile = $name.'-'.$page.'.pdf';
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$fullcachefile = $cachedir.$cachefile;
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if (!file_exists($fullcachefile)){
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echo 'загрузка ...';
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if (!file_exists($source))
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return false;
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if (!is_dir($cachedir))
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mkdir($cachedir);
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$cmd = "pdftk $source cat $page output $fullcachefile";
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shell_exec($cmd);
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}
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if (file_exists($fullcachefile))
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$result['pdfpgurl'] = PGPATH.$name.'/'.$cachefile;
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else
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return false;
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return $result;
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}
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