47 lines
1.5 KiB
PHP
47 lines
1.5 KiB
PHP
<?php
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function timestamp_in_words($timestamp) {
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if (!is_numeric($timestamp) || $timestamp < 0) {
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return "";
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}
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$seconds = time() - $timestamp;
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$future = $seconds < 0;
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$seconds = abs($seconds);
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$minutes = round($seconds / 60);
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$hours = round($seconds / 3600);
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$days = round($seconds / 86400);
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$months = round($seconds / 2592000);
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$years = round($seconds / 31536000);
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if ($seconds < 60) { $w = 'less than a minute'; }
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elseif ($seconds < 90) { $w = 'about a minute'; }
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elseif ($minutes < 50) { $w = "$minutes minutes"; }
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elseif ($hours < 2) { $w = 'about an hour'; }
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elseif ($hours < 24) { $w = "$hours hours"; }
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elseif ($days < 2) { $w = 'a day'; }
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elseif ($days < 30) { $w = "$days days"; }
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elseif ($days < 45) { $w = 'about a month'; }
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elseif ($days < 365) { $w = "$months months"; }
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elseif ($years < 2) { $w = 'about a year'; }
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else { $w = "$years years"; }
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return $future ? "$w from now" : "$w ago";
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}
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function guess_os() {
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$os_guess = 'linux';
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$user_agent = $_SERVER['HTTP_USER_AGENT'] ?? '';
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if (stripos($user_agent, 'Android') !== false) {}
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elseif (stripos($user_agent, 'iPhone') !== false) {}
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elseif (stripos($user_agent, 'iPad') !== false) {}
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elseif (stripos($user_agent, 'CrOS') !== false) { $os_guess = 'linux'; }
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elseif (stripos($user_agent, 'Windows') !== false) { $os_guess = 'windows'; }
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elseif (stripos($user_agent, 'Macintosh') !== false) {}
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elseif (stripos($user_agent, 'Linux') !== false) { $os_guess = 'linux'; }
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elseif (stripos($user_agent, 'FreeBSD') !== false) {}
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return $os_guess;
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}
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