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<?php |
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/* |
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* This file is part of Yolk - Gamer Network's PHP Framework. |
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* |
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* Copyright (c) 2013 Gamer Network Ltd. |
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* |
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* Distributed under the MIT License, a copy of which is available in the |
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* LICENSE file that was bundled with this package, or online at: |
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* https://github.com/gamernetwork/yolk-core |
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*/ |
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namespace yolk\helpers; |
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class DateTimeHelper { |
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/** |
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* Convert a value to a timestamp. |
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* @param mixed $time |
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* @return integer |
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*/ |
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public static function makeTimestamp( $time ) { |
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if( is_numeric($time) ) |
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return (int) $time; |
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elseif( $time instanceof \DateTime ) |
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return $time->getTimestamp(); |
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$ts = strtotime($time); |
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if( $ts === false ) |
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throw new \LogicException("Unable convert {$time} to a valid timestamp"); |
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return $ts; |
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} |
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/** |
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* Converts a string representation containing one or more of hours, minutes and seconds into a total number of seconds. |
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* e.g. seconds("3 hours 4 minutes 10 seconds"), seconds("5min"), seconds("4.5h") |
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* |
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* @param string $str string to convert |
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* @return integer|float |
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*/ |
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public static function seconds( $str ) { |
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$hours = 0; |
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$minutes = 0; |
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$seconds = 0; |
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if( preg_match('/^\d+:\d+$/', $str) ) { |
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list(, $minutes, $seconds) = explode(':', $str); |
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} |
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elseif( preg_match('/^\d+:\d+:\d+$/', $str) ) { |
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list($hours, $minutes, $seconds) = explode(':', $str); |
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} |
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else { |
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// convert invalid characters to spaces |
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$str = preg_replace('/[^a-z0-9. ]+/iu', ' ', $str); |
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// strip multiple spaces |
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$str = preg_replace('/ {2,}/u', ' ', $str); |
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// compress scales and units together so '2 hours' => '2hours' |
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$str = preg_replace('/([0-9.]+) ([cdehimnorstu]+)/u', '$1$2', $str); |
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foreach( explode(' ', $str) as $item ) { |
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if( !preg_match('/^([0-9.]+)([cdehimnorstu]+)$/u', $item, $m) ) |
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return false; |
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list(, $scale, $unit) = $m; |
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$scale = ((float) $scale != (int) $scale) ? (float) $scale : (int) $scale; |
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if( preg_match('/^h(r|our|ours)?$/u', $unit) && !$hours ) { |
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$hours = $scale; |
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} |
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elseif( preg_match('/^m(in|ins|inute|inutes)?$/u', $unit) && !$minutes ) { |
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$minutes = $scale; |
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} |
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elseif( preg_match('/^s(ec|ecs|econd|econds)?$/u', $unit) && !$seconds ) { |
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$seconds = $scale; |
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} |
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else { |
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return false; |
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} |
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} |
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} |
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return ($hours * 3600) + ($minutes * 60) + $seconds; |
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} |
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} |
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// EOF |
gamernetwork /
yolk-core
