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viewutils.php
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<?php
/*
* Copyright 2011 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
function phabricator_format_relative_time($duration) {
return phabricator_format_units_generic(
$duration,
array(60, 60, 24, 7),
array('s', 'm', 'h', 'd', 'w'),
$precision = 0);
}
function phabricator_format_timestamp($epoch) {
$difference = (time() - $epoch);
if ($difference < 60 * 60) {
return phabricator_format_relative_time($difference).' ago';
} else if (date('Y') == date('Y', $epoch)) {
return date('M jS, g:i A', $epoch);
} else {
return date('F jS, Y', $epoch);
}
}
function phabricator_format_units_generic(
$n,
array $scales,
array $labels,
$precision = 0,
&$remainder = null) {
$is_negative = false;
if ($n < 0) {
$is_negative = true;
$n = abs($n);
}
$remainder = 0;
$accum = 1;
$scale = array_shift($scales);
$label = array_shift($labels);
while ($n > $scale && count($labels)) {
$remainder += ($n % $scale) * $accum;
$n /= $scale;
$accum *= $scale;
$label = array_shift($labels);
if (!count($scales)) {
break;
}
$scale = array_shift($scales);
}
if ($is_negative) {
$n = -$n;
$remainder = -$remainder;
}
if ($precision) {
$num_string = number_format($n, $precision);
} else {
$num_string = (int)floor($n);
}
if ($label) {
$num_string .= ' '.$label;
}
return $num_string;
}

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