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<?php |
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|
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if (!defined('ABSPATH')) { |
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exit; |
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} |
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|
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/** |
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* Generates random report identifiers for queued feedback envelopes. |
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*/ |
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class ABJ_404_Solution_FeedbackReportUuid { |
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|
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public static function generate(): string { |
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try { |
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$data = random_bytes(16); |
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// allow-silent-catch: random_bytes only throws when CSPRNG unavailable; fallback to wp_generate_password / mt_rand still produces a valid transient key |
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} catch (\Throwable $e) { |
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$data = ''; |
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if (function_exists('wp_generate_password')) { |
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$data = (string)wp_generate_password(16, true, true); |
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$data = substr($data . str_repeat("\0", 16), 0, 16); |
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} |
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if ($data === '' || strlen($data) < 16) { |
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$data = str_pad((string)mt_rand(), 16, "\0"); |
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$data = substr($data, 0, 16); |
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} |
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} |
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$data[6] = chr((ord($data[6]) & 0x0f) | 0x40); |
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$data[8] = chr((ord($data[8]) & 0x3f) | 0x80); |
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return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($data), 4)); |
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} |
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} |
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|
