Calculation of time elapsed in PHP
- 2021年1月18日
- 技術情報
Today I would like to write some code about calculating time elapsed in PHP. Especially if we want to know the elapsed time of inserted records (seconds, minutes, hours , days etc).
For example – Posted 1 週前、3 時間前、50 分間前、30秒間前。
Here is our function to calculate the time eclipse
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<?php function time_elapsed($datetime) { $now = new DateTime; $ago = new DateTime($datetime); //getting the time differences. $diff = $now->diff($ago); $diff->w = floor($diff->d / 7); //week $diff->d -= $diff->w * 7; //day //string arrays of formats $string = array( 'y' => '年', 'm' => '月', 'w' => '週', 'd' => '日', 'h' => '時間', 'i' => '分', 's' => '秒', ); //mapping the time difference and format foreach ($string as $k => &$v) { if ($diff->$k) { $v = $diff->$k . ' ' . $v; } else { unset($string[$k]); } } //only getting the first array key and value $string = array_slice($string, 0, 1); return $string ? implode(', ', $string) . '前' : 'ちょうど今'; } |
I have included the comments in code so that you can be able to understand it. Let’s call our function to test.
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echo time_elapsed("2020-12-06 11:24:25"); //output 1 月前 echo time_elapsed(date("Y-m-d H:i:s")); //output ちょうど今 |
PS. we have to care about our server timezone when we are dealing with Datetime functions
By Yuuma
yuuma at 2021年01月18日 04:56:29