timecount
Computes multiple time ranges (see example).
Source code (hide)
Global files are not shown below.
Table of contents
index.php
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<?php
/* globals, templates */
$locals = array (
'title' => 'timecount',
'description' => 'Computes multiple time ranges (see <a href="index.php?example=1" title="example ranges">example</a>).',
'files' => array('index.php')
);
include('../globals/globals.php');
/* input */
$input = array(
'text' => $_POST['text'],
'example' => $_GET['example'],
'hourFormat' => $_POST['hourFormat']
);
if($input['example']) {
$input = array(
'text' => "03:37 to 03:46\n22:42 to 00:50\n00:00 to 00:01\n02:40 to 05:16\n00:00 to 00:00\n07:15 to 08:11\n20:53 to 21:07",
'hourFormat' => true
);
}
if($input['text']) {
if(empty($input['text']) or !preg_match('#\d:\d\d.*\d:\d\d#mi',$input['text'])) {
echo '<p class="fail">Please provide valid time ranges.</p>';
}
else {
/* prepare array */
$ranges = explode("\n",$input['text']);
/* calculate */
$count = count($ranges);
for($i=0;$i<$count;$i++) {
/* get units */
// hours
$hourStart = preg_replace('/^.*?(\d{1,2}):.*$/', '$1',$ranges[$i]);
$hourEnd = preg_replace('/^.*?:.*?(\d{1,2}):.*$/','$1',$ranges[$i]);
if($hourEnd<$hourStart) {
$hourEnd .= 24; // compensate for day wrapping
}
// minutes
$minuteStart = preg_replace('/^.*?:(\d{1,2}).*$/', '$1',$ranges[$i]);
$minuteEnd = preg_replace('/^.*?:.*?:(\d{1,2}).*$/','$1',$ranges[$i]);
/* calculate */
$result = $result + (60*($hourEnd - $hourStart)) + ($minuteEnd - $minuteStart);
}
/* output as "00h00" or "000 minutes" depending on user config */
if($input['hourFormat']) {
// calculate
$hours = floor($result/60);
$minutes = $result - ($hours*60);
// format output
$output = str_pad($hours,2,'0',STR_PAD_LEFT) . 'h' . str_pad($minutes,2,'0',STR_PAD_LEFT);
}
else {
$output = $result . ' minutes';
}
/* output */
echo '<p class="success">The ranges total <strong>' . $output . '</strong>.</p>';
}
}
/* debug */
gDebug(get_defined_vars());
/* input form */
?>
<h2>Input form</h2>
<form action="index.php" method="post">
<h3>Input form</h3>
<p class="instruction">Type in time ranges in 24-hour format, with anything non-numerical between each time and one range per line. For example, "10:37 to 16:22".</p>
<textarea
id="text"
name="text"
rows="12"
cols="12"><?php echo htmlspecialchars($input['text']); ?></textarea><br />
<input
type="checkbox"
id="hourFormat"
name="hourFormat"
<?php gCheckBox($input['hourFormat']); ?>
/> <label for="hourFormat">output hours as 00h00 (instead of "000 minutes").</label><br />
<?php gDebugOption(); ?>
<input type="submit" value="Calculate" /><br />
<input type="reset" value="Reset form" />
</form>
<?php
/* globals, templates */
makeFooter();
?>
Input form
This tool is written and copyright by Jesse Plamondon-Willard (Pathoschild). You may freely use, distribute, and modify this script in any way and for any purpose, so long as you cite the above name as original author.