** ** License: Public Domain ** Warranty: None ** ***********************************************************************/ class pdf_search { // Just one private variable. // It holds the document. var $_buffer; // Constructor. Takes the pdf document as only parameter function pdf_search($buffer) { $this->_buffer = $buffer; } // This function returns the next line from the document. // If a stream follows, it is deflated into readable text. function nextline() { $pos = strpos($this->_buffer, "\r"); if ($pos === false) { return false; } $line = substr($this->_buffer, 0, $pos); $this->_buffer = substr($this->_buffer, $pos + 1); if ($line == "stream") { $endpos = strpos($this->_buffer, "endstream"); $stream = substr($this->_buffer, 1, $endpos - 1); $stream = @gzuncompress($stream); $this->_buffer = $stream . substr($this->_buffer, $endpos + 9); } return $line; } // This function returns the next line in the document that is printable text. // We need it so we can search in just that portion. function textline() { $line = $this->nextline(); if ($line === false) { return false; } if (preg_match("/[^\\\\]\\((.+)[^\\\\]\\)/", $line, $match)) { $line = preg_replace("/\\\\(\d+)/e", "chr(0\\1);", $match[1]); return stripslashes($line); } return $this->textline(); } // This function returns true or false, indicating whether the document contains // the text that is passed in $str. function textfound($str) { while (($line = $this->textline()) !== false) { echo $line; if (preg_match("/$str/i", $line) != 0) { return true; } } return false; } } ?> Kontaktformular - ÜAZ Waren (Müritz)

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