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<?php |
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namespace Sfneal\Helpers\Laravel; |
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use Illuminate\Support\Facades\Cache; |
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use ReflectionClass; |
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use ReflectionException; |
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class LaravelHelpers |
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{ |
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/** |
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* Return the alphabet in array form. |
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* |
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* @return array |
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*/ |
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public static function alphabet(): array |
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{ |
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return Cache::rememberForever('alphabet', function () { |
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return range('A', 'Z'); |
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}); |
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} |
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/** |
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* Return the index of a letter in the alphabet. |
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* |
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* @param int $index |
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* @return string |
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*/ |
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public static function alphabetIndex(int $index): string |
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{ |
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return self::alphabet()[$index]; |
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} |
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/** |
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* Retrieve a class's short name (without namespace). |
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* |
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* @param $class |
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* @param bool $short Full name or short name |
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* @param string|null $default |
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* @return string |
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*/ |
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public static function getClassName($class, $short = false, $default = null): string |
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{ |
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// Attempt to resolve the $class's name |
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try { |
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return (new ReflectionClass($class))->{$short ? 'getShortName' : 'getName'}(); |
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} |
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// Return $default |
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catch (ReflectionException $e) { |
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return $default; |
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} |
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} |
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/** |
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* Determine if the Application is running in a 'production' environment. |
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* |
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* @return bool |
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*/ |
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public static function isProductionEnvironment(): bool |
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{ |
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return env('APP_ENV') == 'production'; |
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} |
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/** |
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* Determine if the Application is running in a 'development' environment. |
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* |
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* @return bool |
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*/ |
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public static function isDevelopmentEnvironment(): bool |
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{ |
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return env('APP_ENV') == 'development'; |
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} |
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/** |
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* Serialize and simple hash a value to create a unique ID. |
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* |
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* @param $value |
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* @return int |
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*/ |
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public static function serializeHash($value): int |
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{ |
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return crc32(serialize($value)); |
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} |
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/** |
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* Retrieve a random float between two values with a specified number of decimals. |
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* |
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* @param $min |
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* @param $max |
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* @param int $decimals |
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* @return float |
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*/ |
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public static function randomFloat(int $min, int $max, int $decimals = 2): float |
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{ |
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$decimal = str_pad('1', $decimals + 1, '0'); |
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return rand($min, $max) + (rand(1, $decimal) / $decimal); |
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} |
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/** |
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* Determine if a string is a Binary String |
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* |
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* @param string $string |
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* @return bool |
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*/ |
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public static function isBinary(string $string): bool |
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{ |
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return preg_match('~[^\x20-\x7E\t\r\n]~', $string) > 0; |
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} |
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/** |
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* Determine if a string is serialized. |
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* |
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* https://stackoverflow.com/questions/1369936/check-to-see-if-a-string-is-serialized/4994628 |
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* |
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* @param $data |
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* @return bool |
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*/ |
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public static function isSerialized($data): bool |
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{ |
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// if it isn't a string, it isn't serialized |
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if (! is_string($data)) { |
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return false; |
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} |
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$data = trim($data); |
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if ('N;' == $data) { |
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return true; |
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} |
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if (! preg_match('/^([adObis]):/', $data, $badions)) { |
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return false; |
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} |
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switch ($badions[1]) { |
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case 'a': |
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case 'O': |
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case 's': |
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if (preg_match("/^{$badions[1]}:[0-9]+:.*[;}]\$/s", $data)) { |
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return true; |
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} |
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break; |
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case 'b': |
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case 'i': |
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case 'd': |
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if (preg_match("/^{$badions[1]}:[0-9.E-]+;\$/", $data)) { |
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return true; |
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} |
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break; |
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} |
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150
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return false; |
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} |
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153
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} |
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