<?php
/*
* pgn4web javascript chessboard
* copyright (C) 2009-2013 Paolo Casaschi
* see README file and http://pgn4web.casaschi.net
* for credits, license and more details
*/
error_reporting(E_ALL | E_STRICT);
include "pgn-encoder.php";
function get_param($param, $shortParam, $default) {
if (isset($_REQUEST[$param])) { return $_REQUEST[$param]; }
if (isset($_REQUEST[$shortParam])) { return $_REQUEST[$shortParam]; }
return $default;
}
$pgnText = get_param("pgnText", "pt", "");
if ($pgnText) {
$pgnText = str_replace(array("&", "<", ">"), array("&", "<", ">"), $pgnText);
$pgnTextBox = $pgnText;
$pgnText = str_replace("\\\"", "\"", $pgnText);
$pgnText = preg_replace("/\[/", "\n\n[", $pgnText);
$pgnText = preg_replace("/\]/", "]\n\n", $pgnText);
$pgnText = preg_replace("/([012\*])(\s*)(\[)/", "$1\n\n$3", $pgnText);
$pgnText = preg_replace("/\]\s*\[/", "]\n[", $pgnText);
$pgnText = preg_replace("/^\s*\[/", "[", $pgnText);
$pgnText = preg_replace("/\n[\s*\n]+/", "\n\n", $pgnText);
} else {
$pgnText = <<<END
[White ""]
[Black ""]
[Result ""]
[Date ""]
[Event ""]
[Site ""]
[Round ""]
{please enter your PGN games in the textbox and then click the button}
END;
$pgnTextBox = $pgnText;
}
$pgnLength = strlen($pgnTextBox);
$pgnEncoded = EncodePGN($pgnText);
$pgnEncodedLength = strlen($pgnEncoded);
$compressionRatio = round(100 * $pgnEncodedLength / $pgnLength) . "%";
$frameUrl = "board.html?am=l&d=1000&ss=26&ps=d&pf=d&lcs=YeiP&dcs=Qcij&bbcs=D91v&hm=n&hcs=Udiz&bd=s&cbcs=YeiP&ctcs=\$\$\$\$&hd=j&md=f&tm=13&fhcs=\$\$\$\$&fhs=13&fmcs=\$\$\$\$&fccs=v71\$&hmcs=Qcij&fms=13&fcs=m&cd=i&bcs=____&fp=13&hl=t&fh=b&fw=p&pe=" . $pgnEncoded;
$frameUrlLength = strlen($frameUrl);
$thisScript = $_SERVER['SCRIPT_NAME'];
print <<<END
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=ISO-8859-1">
<title>pgn4web PGN encoder/decoder php example</title>
<link rel="shortcut icon" href="pawn.ico" />
</head>
<body style="font-family: sans-serif; margin:20px; padding:0px;">
<h1 style="margin-top:0px; padding-top:0px;">pgn4web PGN encoder/decoder php example</h1>
<center>
<iframe src="$frameUrl"
height="312" width="900" frameborder="0" scrolling="no" marginheight="0" marginwidth="0">
your web browser and/or your host do not support iframes as required to display the chessboard
</iframe>
<form action="$thisScript" method="POST">
<input type="submit" style="width:900px;" value="pgn4web PGN encoder/decoder php example">
<textarea id="pgnText" name="pgnText" style="height:300px; width:900px; margin:13px;">$pgnTextBox</textarea>
</form>
<div style="width:900px; text-align:left; font-size:66%;">PGN:$pgnLength encoded:$pgnEncodedLength ratio:$compressionRatio url:$frameUrlLength</div>
</center>
</body>
</html>
END;
?>