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<?php |
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declare(strict_types=1); |
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/** |
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* Finns ett värde inom ett intervall inklusivt? |
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*/ |
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function in(int|float $värde, int|float $min, int|float $max): bool { |
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return $värde >= $min && $värde <= $max; |
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} |
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/** |
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* Max med kontroll för tom vektor. |
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* @param int[]|float[] $vektor |
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*/ |
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function ne_max(array $vektor): int|float { |
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return $vektor === [] ? 0 : max($vektor); |
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} |
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/** |
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* Min med kontroll för tom vektor. |
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* @param int[]|float[] $vektor |
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*/ |
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function ne_min(array $vektor): int|float { |
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return $vektor === [] ? 0 : min($vektor); |
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} |
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/** |
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* Plocka ut och kontrollera variabler från requeststräng. |
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* @return array<int, int> |
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*/ |
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function extrahera(): array { |
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$ret = []; |
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$opts = isset($_REQUEST['i']) ? $_REQUEST : (array) getopt("i:j:k:l:"); |
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1 |
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foreach ($opts as $opt) { |
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$ret[] = is_string($opt) ? intval($opt) : 0; |
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} |
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return $ret; |
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} |
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/** |
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* a1·b1 + a2·b2 + … |
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* @param array<int|float> $vektor1 |
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* @param array<int|float> $vektor2 |
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*/ |
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function vektorprodukt(array $vektor1, array $vektor2): int|float { |
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3 |
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return array_sum( |
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3 |
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array_map( |
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3 |
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fn (int|float $tal1, int|float $tal2): int|float => |
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$tal1 * $tal2, |
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$vektor1, |
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$vektor2 |
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) |
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); |
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} |
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/** |
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* Sträng med «svenska» decimaler till korrekt flyttalsform. |
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*/ |
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function flyttal(string $str): float { |
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1 |
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return floatval(str_replace(',', '.', $str)); |
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} |
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/** |
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* Rendera tal som procentvärde. |
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*/ |
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function procenttal(float $värde): int { |
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return intval(100 * round($värde, 2)); |
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} |
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/** |
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* Tabulera indrag i HTML. |
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*/ |
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function t(int $n, string $text): string { |
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return str_repeat("\t", $n) . $text . PHP_EOL; |
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} |
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/** |
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* Extrahera spelstopp från JSON-data. |
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* @return string[] |
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*/ |
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function spelstopp(string $utc): array { |
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2 |
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$datum = ''; |
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$spelstopp = ''; |
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$dag = ''; |
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if ($utc != null) { |
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$stopp = explode('T', $utc); |
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$datum = $stopp[0]; |
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$format = new IntlDateFormatter(pattern:'EEEE', locale:'sv_SE', dateType:IntlDateFormatter::FULL, timeType:IntlDateFormatter::NONE); |
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$dag = ucfirst((string) $format->format((int) strtotime($datum))); |
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$spelstopp = explode('+', $stopp[1])[0]; |
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} |
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return [$datum, $spelstopp, $dag]; |
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} |
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/** |
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* Hämta JSON-objekt från en server. |
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*/ |
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function hämta_objekt(string $url): ?object { |
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// return json_decode((string) file_get_contents(JSONFIL)); |
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1 |
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$json = null; |
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$handle = curl_init($url); |
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1 |
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if ($handle !== false && $url !== '') { |
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curl_setopt($handle, CURLOPT_HEADER, false); |
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curl_setopt($handle, CURLOPT_USERAGENT, USERAGENT); |
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curl_setopt($handle, CURLOPT_RETURNTRANSFER, true); |
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curl_setopt($handle, CURLOPT_FOLLOWLOCATION, true); |
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curl_setopt($handle, CURLOPT_URL, $url); |
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$json = curl_exec($handle); |
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unset($handle); |
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} |
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1 |
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if ($json) { |
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file_put_contents(JSONFIL, $json); |
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} |
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1 |
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$retur = is_string($json) ? json_decode($json) : null; |
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1 |
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return (!is_object($retur)) ? null : $retur; |
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} |
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dougherty-dev /
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