#!/usr/bin/php
<?php

$utc_offset = 2;

function echo_use($ref, $hour)
{
    $transform = "rotate(" . 15 * $hour . ")";
    $attrs = "xlink:href=\"#$ref\" transform=\"$transform\"";
    echo "        <use $attrs/>\n";
}

echo "<?xml version=\"1.0\"?>\n";
?>
<svg width="1000" height="1000" version="1.1"
    xmlns="http://www.w3.org/2000/svg"
    xmlns:xlink="http://www.w3.org/1999/xlink">
  <style>
    svg { background: #bbb }
  </style>
  <defs>
    <rect id="hour" x="-1.7" y="190" width="3.4" height="20"/>
    <circle id="half" cx="0" cy="200" r="2.5"/>
    <circle id="quarter" cx="0" cy="200" r="1.5"/>
  </defs>
  <g transform="translate(500,500) scale(2.0669)">
    <g id="cut" fill="none" stroke="black" stroke-width="0.01">
      <circle cx="0" cy="0" r="240"/>
      <circle cx="0" cy="0" r="5.1429"/>
    </g>
    <g id="etch" fill="black" stroke="none"
        text-anchor="middle" font-size="26px"
        font-family="Bookman Old Style">
      <g id="figures">
<?php
// Figures
for ($hour = 0; $hour < 24; $hour++) {
    $transform = "rotate(" . (15 * $hour + 180) . ")";
    $attrs = "x=\"0\" y=\"-215\" transform=\"$transform\"";
    echo "        <text $attrs>$hour</text>\n";
}
?>
      </g>
      <g id="hours">
<?php
// Hour marks
for ($hour = 0; $hour < 24; $hour += 1)
    echo_use("hour", $hour);
?>
      </g>
      <g id="halves">
<?php
// Half hours
for ($hour = 0.5; $hour < 24; $hour += 1)
    echo_use("half", $hour);
?>
      </g>
      <g id="quarters">
<?php
// Quarter hours
for ($hour = 0.25; $hour < 24; $hour += 0.5)
    echo_use("quarter", $hour);
?>
      </g>
    </g>
  </g>
</svg>