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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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use Sfneal\Helpers\Laravel\Support\CacheKey; |
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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((new CacheKey('alphabet'))->execute(), 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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* 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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return false; |
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} |
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/** |
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* Shorten a number by adding alphanumeric notation denoting thousands, millions, billing or trillions. |
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* |
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* - example: AppInfo::formatNumber(10000) -> '10k' |
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* - https://stackoverflow.com/questions/4116499/php-count-round-thousand-to-a-k-style-count-like-facebook-share-twitter-bu/36365553 |
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* |
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* @param int $number |
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* @return string |
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*/ |
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public static function formatNumber(int $number): string |
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{ |
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if ($number > 1000) { |
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$x = round($number); |
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$x_number_format = number_format($x); |
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$x_array = explode(',', $x_number_format); |
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$x_parts = ['k', 'm', 'b', 't']; |
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$x_count_parts = count($x_array) - 1; |
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$x_display = $x_array[0].((int) $x_array[1][0] !== 0 ? '.'.$x_array[1][0] : ''); |
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$x_display .= $x_parts[$x_count_parts - 1]; |
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return $x_display; |
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} |
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return $number; |
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} |
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/** |
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* Convert a decimal (float) into a human-readable percentage. |
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* |
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* @param float $number |
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* @param int $decimals |
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* @return string |
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*/ |
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public static function percentage(float $number, int $decimals = 2): string |
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{ |
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return round($number * 100, $decimals).'%'; |
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} |
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} |
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sfneal /
laravel-helpers
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