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<?php
set_time_limit(0);
echo '<h2>ÕýÔÚ°²×°£¬ÇëÉÔºó...</h2>',
'<div style="border:1px solid #000;width:500px;"><div id="progress_bar">loading...</div></div>';
for($i=1;$i<=100;$i++){
$width = '500';
$width = ceil(($i/100)*$width);
echo '<mce:script type="text/javascript"><!--
',
'var progress_bar = document.getElementById("progress_bar");',
'progress_bar.style.background="#ff0000";',
'progress_bar.style.width ="'.$width.'px";',
"progress_bar.innerHTML = '{$i}%';",
'
// --></mce:script>';
sleep(1);
flush();
}
echo 'done';
?>


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<?php
$p=new ReflectionClass(Àà¶ÔÏó);
$constants=$p->getConstants();//const ¶¨Òå³£Á¿
$properties=$p->getProperties();//ËùÓбäÁ¿ÊôÐÔ
$methods=$p->getMethods();//ËùÓз½·¨
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openbiz architecture overview:   
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PHP ÅжÏFORMÀ´µÄÊý¾ÝÊÇ·ñΪÕûÊý

is_intº¯Êý¶ÔÓÚFORM¹ýÀ´µÄÊý¾ÝÊÇûÓа취ÅжÏÊÇ·ñÊÇÕûÊýµÄ£¬ÒòΪFORM¹ýÀ´µÄÊÇ×Ö·û´®¡£ÓÃis_numeric¿ÉÒÔÅжÏÊÇ·ñΪÊý×ÖÀàÐÍ£¬ÉÔ¶¯ ÏÂÊֽžͿÉÒÔÅжÏÊDz»ÊÇÕûÊýÁË
if(!is_numeric($jp_total)||strpos($jp_total,".")!==false){
echo "²»ÊÇÕûÊý";
}else{
echo "ÊÇÕûÊý";
} ......

PHP Floating point precision

Floating point precision
It is typical that simple decimal fractions like 0.1
or
0.7
cannot be converted into their internal binary
counterparts without a small loss of precision. This can lead to
confusing
results: for example, floor((0.1+0.7)*10)
will usually
return 7
......
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