'2018-12-31', '7.0' => '2019-12-03', '7.1' => '2019-12-01', '7.2' => '2020-11-30', '7.3' => '2021-12-06', '7.4' => '2022-11-28', '8.0' => '2023-11-26', '8.1' => '2024-12-31', '8.2' => '2026-12-31', '8.3' => '2027-12-31', '8.4' => '2028-12-31', ]; public static function minor(): string { preg_match('/^(\d+\.\d+)/', PHP_VERSION, $m); return $m[1] ?? ''; } public static function eol_date(string $minor = ''): ?string { $minor = $minor ?: self::minor(); return self::$eol[$minor] ?? null; } // Returns: ['status' => ok|warning|eol|unknown, 'eol' => date|null, 'days' => int|null] public static function status(): array { $minor = self::minor(); $eol = self::eol_date($minor); if (!$eol) return ['status' => 'unknown', 'eol' => null, 'days' => null, 'minor' => $minor]; $days = (int) round((strtotime($eol) - time()) / DAY_IN_SECONDS); $state = 'ok'; if ($days < 0) $state = 'eol'; elseif ($days < 90) $state = 'warning'; return ['status' => $state, 'eol' => $eol, 'days' => $days, 'minor' => $minor]; } // Shown on every admin page — free feature, drives urgency public static function admin_notice(): void { $s = self::status(); if ($s['status'] === 'ok' || $s['status'] === 'unknown') return; if ($s['status'] === 'eol') { $msg = sprintf( 'PHP %s reached end-of-life on %s and no longer receives security patches. Upgrade immediately.', esc_html($s['minor']), esc_html($s['eol']) ); $type = 'error'; } else { $msg = sprintf( 'PHP %s reaches end-of-life on %s (%d days). Plan your upgrade now.', esc_html($s['minor']), esc_html($s['eol']), $s['days'] ); $type = 'warning'; } printf( '

phpinfo() WP: %s

', $type, $msg ); } // Full EOL timeline table — free feature; drives urgency for Pro upsell public static function timeline(): array { $now = time(); $out = []; foreach (self::$eol as $ver => $date) { $ts = strtotime($date); $days = (int) round(($ts - $now) / DAY_IN_SECONDS); $out[] = [ 'version' => $ver, 'eol' => $date, 'days' => $days, 'status' => $days < 0 ? 'eol' : ($days < 90 ? 'warning' : 'ok'), 'current' => ($ver === self::minor()), ]; } return $out; } }