<?php
$format = 'D d-m-y H:i'; // Will output dates like this in example
$basetime = date('d-m-Y H:00'); // A (default) base time for consistancy in example
$schedule = '1 3 2-8/6 * 2,3'; // A (default) scheduling definition
$schedule2 = '0 0 15 * *'; // A (2nd default) scheduling definition
$output = '';
if(isset($_GET['schedule'])) {
function echo_errors($errno, $message) {
echo '<h1>Error:</h1><pre>'.$message.'</pre>';
}
error_reporting(E_ALL);
set_error_handler('echo_errors');
ob_start();
require('csd_parser.php');
$basetime = $_GET['basetime'];
$schedule = $_GET['schedule'];
$schedule2 = $_GET['schedule2'];
// Create a new parser, basetime is optional by thw way, it will default to the current time
try {
$parser = new csd_parser($schedule, $basetime);
echo '<div style="margin: 5px 0 0; color: gray;">$parser = new csd_parser($schedule, $basetime)</div>';
// Output next time cron should run, 3 different ways ("next" is default)
echo '<h3>Next runtime, 3 different ways</h3>';
echo date($format, $parser->get()).' <span style="margin-left: 20px; color: gray">$parser->get()</span><br />';
echo date($format, $parser->get('next')).' <span style="margin-left: 20px; color: gray">$parser->get(\'next\')</span><br />';
echo date($format, $parser->get(0)).' <span style="margin-left: 20px; color: gray">$parser->get(0)</span><br />';
// And the last time it was supposed to run, 3 different ways
echo '<h3>Last runtime, 3 different ways</h3>';
echo date($format, $parser->get('last')).' <span style="margin-left: 20px; color: gray">$parser->get(\'last\')</span><br />';
echo date($format, $parser->get('prev')).' <span style="margin-left: 20px; color: gray">$parser->get(\'prev\')</span><br />';
echo date($format, $parser->get(-1)).' <span style="margin-left: 20px; color: gray">$parser->get(-1)</span><br />';
// The next 3 times it's supposed to run
echo '<h3>The next 3 runtimes</h3>';
for($i = 0; $i < 3; $i++) {
echo date($format, $parser->get($i)).' <span style="margin-left: 20px; color: gray">$parser->get('.$i.')</span><br />';
}
// Try a different schedule
echo '<h3>The next 3 runtimes, with 2<sup>nd</sup> schedule</h3>';
$parser = new csd_parser($schedule2, $basetime);
for($i = 0; $i < 3; $i++) {
echo date($format, $parser->get($i)).' <span style="margin-left: 20px; color: gray">$parser->get('.$i.')</span><br />';
}
try {
// And now with both combined
// Note that you can also use text, separating schedules with newlines (allows for input trough e.g. a textarea)
echo '<h3 style="margin-bottom: 0px">Combine the above two schedules and calc next 3 runtimes</h3>';
echo '<div style="margin: 5px 0 12px; color: gray;">$parser = new csd_parser(array($schedule, $schedule2), $basetime)</div>';
$parser = new csd_parser(array($schedule, $schedule2), $basetime);
for($i = 0; $i < 3; $i++) {
echo date($format, $parser->get($i)).' <span style="margin-left: 20px; color: gray">$parser->get('.$i.')</span><br />';
}
// All runtimes of the next past months
// Note the use of (string) to indicate this is NOT an offset
echo '<h3 style="margin-bottom: 0px">All the runtimes of the past 3 months</h3>';
echo '<div style="margin: 5px 0 12px; color: gray;">$parser->get( (string) strtotime(\'-3 month\', strtotime($basetime)) )</div>';
$untill = strtotime('-3 month', strtotime($basetime));
$times = $parser->get((string)$untill);
foreach($times as $time) {
echo date($format, $time).'<br />';
}
// Quickly fetch with static function csd_parser::calc
// Note that each call to the static function parses AND calculates everything anew
// it will thus be slower if you want to calculate subsequent times
echo '<h3 style="margin-bottom: 0px">Calc next runtime using the static function</h3>';
echo '<div style="margin: 5px 0 12px; color: gray;">csd_parser::calc($schedule, 0, $basetime)</div>';
$time = csd_parser::calc($schedule, 0, $basetime);
echo date($format, $time);
} catch(Exception $e) {
echo '<h1>Exception:</h1><pre>'.$e->getMessage().'</pre>';
}
} catch(Exception $e) {
echo '<h1>Exception:</h1><pre>'.$e->getMessage().'</pre>';
}
$output = '<hr>'.ob_get_clean();
}
echo <<<EOF
<html>
<body style="font-family: monospace;">
<h3>Generate examples with</h3>
<form>
<span style="display: inline-block; width: 100px">Schedule:</span><input type="text" value="$schedule" name="schedule" style="width: 200px; font-family: monospace" /> [<a href="http://en.wikipedia.org/wiki/Cron#CRON_expression" target=_blank">Help</a>]<br />
<span style="display: inline-block; width: 100px">2<sup>nd</sup> Schedule:</span><input type="text" value="$schedule2" name="schedule2" style="width: 200px; font-family: monospace" ><br />
<span style="display: inline-block; width: 100px">Time:</span><input type="text" value="$basetime" name="basetime" style="width: 200px; font-family: monospace" >
<input type="submit" value="Generate" />
<a href="examples.php"><button type="button">Reset</button></a>
</form>
$output
</body>
</html>
EOF;
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