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<?php |
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/* |
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* This file is part of the Koded package. |
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* |
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* (c) Mihail Binev <[email protected]> |
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* |
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* Please view the LICENSE distributed with this source code |
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* for the full copyright and license information. |
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*/ |
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namespace Koded\Stdlib; |
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use DateTimeImmutable; |
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use FilesystemIterator; |
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use JsonException; |
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use Koded\Stdlib\Serializer\{JsonSerializer, XmlSerializer}; |
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use RecursiveDirectoryIterator; |
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use RecursiveIteratorIterator; |
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/** |
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* Creates a new Argument instance |
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* with optional arbitrary number of arguments. |
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* |
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* @param array ...$values |
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* |
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* @return Argument |
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*/ |
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function arguments(...$values): Argument |
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{ |
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return new Arguments(...$values); |
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} |
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/** |
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* Creates a new Immutable instance |
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* with optional arbitrary number of arguments. |
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* |
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* @param array ...$values |
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* |
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* @return Data |
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*/ |
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function value(...$values): Data |
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{ |
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return new Immutable(...$values); |
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} |
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/** |
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* HTML encodes a string. |
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* Useful for escaping the input values in HTML templates. |
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* |
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* @param string $input The input string |
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* @param string $encoding The encoding |
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* |
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* @return string |
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*/ |
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function htmlencode(string $input, string $encoding = 'UTF-8'): string |
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{ |
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return htmlentities($input, ENT_QUOTES | ENT_HTML5, $encoding); |
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} |
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/** |
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* Creates a random generated string with optional prefix and/or suffix. |
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* |
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* NOTE: DO NOT use it for passwords or any data that requires cryptographic secureness! |
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* |
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* @param int $length [optional] |
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* @param string $prefix [optional] |
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* @param string $suffix [optional] |
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* |
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* @return string |
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* @throws \Exception if it was not possible to gather sufficient entropy |
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* @since 1.10.0 |
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*/ |
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function randomstring(int $length = 16, string $prefix = '', string $suffix = ''): string |
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{ |
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$buffer = ''; |
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for ($x = 0; $x < $length; ++$x) { |
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$buffer .= '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'[random_int(0, 61)]; |
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} |
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return $prefix . $buffer . $suffix; |
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} |
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/** |
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* Transforms the simple snake_case string into CamelCaseName. |
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* |
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* @param string $string |
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* |
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* @return string Camel-cased string |
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*/ |
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function snake_to_camel_case(string $string): string |
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{ |
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$string = preg_replace('/[\W\_]++/', ' ', $string); |
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return str_replace(' ', '', ucwords($string)); |
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} |
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/** |
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* Transforms simple CamelCaseName into camel_case_name (lower case underscored). |
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* |
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* @param string $string CamelCase string to be underscored |
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* |
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* @return string Transformed string (for weird strings, you get what you deserve) |
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*/ |
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function camel_to_snake_case(string $string): string |
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{ |
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$string = snake_to_camel_case($string); |
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return strtolower(preg_replace('/(?<=\\w)([A-Z])/', '_\\1', trim($string))); |
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} |
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/** |
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* Converts the string with desired delimiter character. |
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* |
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* @param string $string |
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* @param int $delimiter chr() of the delimiter character |
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* |
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* @return string The converted string with the provided delimiter |
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*/ |
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function to_delimited_string(string $string, int $delimiter): string |
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{ |
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$str = preg_split('~[^\p{L}\p{N}\']+~u', trim($string)); |
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return join(chr($delimiter), $str); |
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} |
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/** |
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* Converts the string to-kebab-case |
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* |
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* @param string $string |
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* |
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* @return string |
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*/ |
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function to_kebab_string(string $string): string |
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{ |
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return strtolower(to_delimited_string($string, ord('-'))); |
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} |
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/** |
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* Returns the JSON representation of a value. |
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* |
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* @param mixed $value The data to be serialized |
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* @param int $options [optional] JSON bitmask options for JSON encoding. |
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* Warning: uses {@JsonSerializer::OPTIONS} as defaults; |
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* instead of adding, it may remove the option (if set in OPTIONS) |
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* |
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* @return string JSON encoded string, or EMPTY STRING if encoding failed |
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* @see http://php.net/manual/en/function.json-encode.php |
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*/ |
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function json_serialize($value, int $options = JsonSerializer::OPTIONS): string |
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{ |
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try { |
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return json_encode($value, $options); |
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} catch (JsonException $e) { |
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error_log(__FUNCTION__, $e->getMessage(), $value); |
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return ''; |
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} |
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} |
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/** |
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* Decodes a JSON string into appropriate PHP type. |
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* |
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* @param string $json A JSON string |
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* @param bool $associative When TRUE, returned objects will be |
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* converted into associative arrays |
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* |
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* @return mixed The decoded value, or EMPTY STRING on error |
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*/ |
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function json_unserialize(string $json, bool $associative = false) |
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{ |
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try { |
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return json_decode($json, $associative, 512, JSON_OBJECT_AS_ARRAY | JSON_BIGINT_AS_STRING | JSON_THROW_ON_ERROR); |
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} catch (JsonException $e) { |
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error_log(__FUNCTION__, $e->getMessage(), $json); |
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return ''; |
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} |
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} |
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/** |
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* Serializes the data into XML document. |
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* |
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* @param string $root The XML document root name |
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* @param iterable $data The data to be encoded |
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* |
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* @return string XML document |
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*/ |
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function xml_serialize(string $root, iterable $data): string |
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{ |
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return (new XmlSerializer($root))->serialize($data); |
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} |
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/** |
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* Unserialize an XML document into PHP array. |
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* This function does not deal with magical conversions |
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* of complicated XML structures. |
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* |
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* @param string $xml The XML document to be decoded into array |
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* |
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* @return array Decoded version of the XML string, |
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* or empty array on malformed XML |
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*/ |
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function xml_unserialize(string $xml): array |
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{ |
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return (new XmlSerializer(null))->unserialize($xml) ?: []; |
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} |
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/** |
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* Send a formatted error message to PHP's system logger. |
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* |
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* @param string $func The function name where error occurred |
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* @param string $message The error message |
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* @param mixed $data Original data passed into function |
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*/ |
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function error_log(string $func, string $message, $data): void |
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{ |
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\error_log(sprintf("(%s) %s:\n%s", $func, $message, var_export($data, true))); |
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} |
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/** |
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* Checks if the array is an associative array. |
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* |
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* Simple rules: |
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* |
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* - If all keys are sequential starting from 0..n, it is not an associative array |
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* - empty array is not associative |
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* |
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* Unfortunately, the internal typecast to integer on the keys makes |
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* the sane programming an ugly Array Oriented Programming hackery. |
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* |
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* @param array $array |
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* |
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* @return bool |
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*/ |
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function is_associative(array $array): bool |
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{ |
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return (bool)array_diff_assoc($array, array_values($array)); |
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} |
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/** |
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* Gets an instance of DateTimeImmutable in UTC. |
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* |
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* @return DateTimeImmutable |
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*/ |
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function now(): DateTimeImmutable |
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{ |
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return date_create_immutable('now', timezone_open('UTC')); |
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} |
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/** |
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* Removes a directory. |
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* |
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* @param string $dirname The folder name |
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* |
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* @return bool TRUE on success, FALSE otherwise |
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*/ |
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function rmdir(string $dirname): bool |
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{ |
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$deleted = []; |
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/** @var \SplFileInfo $path */ |
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foreach (new RecursiveIteratorIterator(new RecursiveDirectoryIterator($dirname, FilesystemIterator::SKIP_DOTS), |
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RecursiveIteratorIterator::CHILD_FIRST) as $path) { |
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$deleted[] = ($path->isDir() && false === $path->isLink()) ? \rmdir($path->getPathname()) : \unlink($path->getPathname()); |
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} |
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return (bool)array_product($deleted); |
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} |
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