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www.mikescher.com/www/internals/base.php

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<?php if(count(get_included_files()) ==1) exit("Direct access not permitted.");
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global $CONFIG;
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$CONFIG = require 'config.php';
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$CSS_BASE = ($CONFIG['prod']) ? ('styles.min.css') : ('styles.css');
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global $REGISTERED_SCRIPTS;
$REGISTERED_SCRIPTS = [];
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function startsWith($haystack, $needle)
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{
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$length = strlen($needle);
return (substr($haystack, 0, $length) === $needle);
}
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function endsWith($haystack, $needle)
{
$length = strlen($needle);
return $length === 0 || (substr($haystack, -$length) === $needle);
}
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function httpError($errorcode, $message)
{
die($message);//TODO errorcode
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}
function destructiveUrlEncode($str) {
$str = str_replace(' ', '_', $str);
$str = str_replace('+', '_', $str);
$str = str_replace('.', '', $str);
return urlencode($str);
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}
function formatMilliseconds($millis)
{
if ($millis < 1000)
{
return $millis . 'ms';
}
else if ($millis < 10 * 1000)
{
return number_format($millis / (1000), 2) . 's';
}
else if ($millis < 60 * 1000)
{
return floor($millis / (1000)) . 's';
}
else if ($millis < 10 * 60 * 1000)
{
return floor($millis / (60 * 1000)) . 'min ' . floor(($millis % (60 * 1000)) / 1000) . 's';
}
else if ($millis < 60 * 60 * 1000)
{
return floor($millis / (60 * 1000)) . 'min';
}
else if ($millis < 10 * 60 * 60 * 1000)
{
return number_format($millis / (60 * 60 * 1000), 2) . ' hours';
}
else
{
return floor($millis / (60 * 60 * 1000)) . ' hours';
}
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}
function includeScriptOnce($script, $echo = true)
{
global $REGISTERED_SCRIPTS;
if ($echo)
{
if (in_array($script, $REGISTERED_SCRIPTS)) return false;
$REGISTERED_SCRIPTS []= $script;
echo "<script src=\"$script\" type=\"text/javascript\"></script>";
return true;
}
else
{
if (in_array($script, $REGISTERED_SCRIPTS)) return '';
$REGISTERED_SCRIPTS []= $script;
return "<script src=\"$script\" type=\"text/javascript\"></script>";
}
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}