Php Programming Code Examples
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HTML Table with random alternating colours, helps you see what you
HTML Table with random alternating colours, helps you see what you
Pick a size and colour, any size or colour.
<html>
<head>
</head>
<body style="{font-family: monospace; font-size: 12pt;}">
<div align="center">
<table border="1" width="92%">
<?php
if (!$seed) {
srand(time());
$seed=rand(100,900);
$fontsize=12;
$cols=2;
}
function randomcolor() {
$myrandomcolor = "#";
for ($i=1; $i<=3; $i++) {
$x = rand(0,255);
$x = dechex($x);
$x = strtoupper($x);
if (strlen($x) == 1) {
$x = "0".$x;
}
$myrandomcolor .= $x;
}
return $myrandomcolor;
}
srand($seed);
for ($loops=1; $loops<6; $loops++) {
echo " <tr style=\"{font-family: monospace; font-size: ${fontsize}pt;}\">\n";
for ($y=0; $y<$cols; $y++) {
$mybgcolor = randomcolor();
$mycolor = randomcolor();
echo " <td $wrap style=\"{color: $mycolor; background-color: $mybgcolor; text-align:
center;}\">\n";
echo " txt:$mycolor bkg:$mybgcolor sz:$fontsize\n";
echo " </td>\n\n";
}
echo " </tr>\n\n";
}
$prevpage = $PHP_SELF."?wrap=$wrap&fontsize=$fontsize&cols=$cols&seed=".strval($seed-
1);
$nextpage = $PHP_SELF."?wrap=$wrap&fontsize=$fontsize&cols=$cols&seed=".strval
($seed+1);
$smallerfont = $PHP_SELF."?wrap=$wrap&seed=$seed&cols=$cols&fontsize=".strval
($fontsize-1);
$biggerfont = $PHP_SELF."?wrap=$wrap&seed=$seed&cols=$cols&fontsize=".strval
($fontsize+1);
$lesscols = $PHP_SELF."?wrap=$wrap&seed=$seed&fontsize=$fontsize&cols=".strval($cols-
1);
$morecols = $PHP_SELF."?wrap=$wrap&seed=$seed&fontsize=$fontsize&cols=".strval
($cols+1);
$wrapon = $PHP_SELF."?seed=$seed&fontsize=$fontsize&cols=$cols&wrap=nowrap";
$wrapoff = $PHP_SELF."?seed=$seed&fontsize=$fontsize&cols=$cols";
?>
</table>
<table width="92%" border="1">
<tr>
<th>Colour chart</td>
<th>Font size</td>
<th>Columns</td>
<th>Word wrap</td>
</tr>
<tr>
<td align="center">
<a href="<?php echo $prevpage; ?>">Prev</a>
<a href="<?php echo $nextpage; ?>">Next</a>
</td>
<td align="center">
<a href="<?php echo $smallerfont; ?>">(-)</a><a href="<?php echo $biggerfont; ?>">(+)
</a>
</td>
<td align="center">
<a href="<?php echo $lesscols; ?>">(-)</a><a href="<?php echo $morecols; ?>">(+)</a>
</td>
<td align="center">
<a href="<?php echo $wrapoff; ?>">On</a>
<a href="<?php echo $wrapon; ?>">Off</a>
</td>
<td>
</tr>
</table>
</div>
</body>
</html>
