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datatable.directory/porklib/helpers.php

362 lines
7.7 KiB

<?php
/*
|--------------------------------------------------------------------------
| Global helper functions
|--------------------------------------------------------------------------
|
| Functions defined here are available anywhere in the application.
|
*/
use MightyPork\Utils\ObjCollection;
use MightyPork\Utils\Profiler;
use MightyPork\Utils\Str;
use MightyPork\Utils\Utils;
#region Defines
define('IDENTIFIER_PATTERN', '/^[a-z][a-z0-9_]*$/i');
define('USERNAME_PATTERN', '/^[a-z0-9_-]+$/i');
#endregion
#region View helpers
/** to bool 01 */
function bool01($x)
{
return Utils::parseBool01($x);
}
/**
* Conditional helper for view (same as: A ? B : '')
*
* @param bool $cond Condition to check
* @param string $then Value to use if condition is true, otherwise empty string.
* @param string $else False value
* @return string result for the view.
*/
function when($cond, $then, $else = '')
{
return $cond ? $then : $else;
}
/**
* Conditional helper for view, opposite of when()
*
* @param bool $cond Condition to check
* @param string $then Value to use if condition is false, otherwise empty string.
* @param string $else True value
* @return string result for the view.
*/
function unless($cond, $then, $else = '')
{
return $cond ? $else : $then;
}
#endregion
#region General purpose helpers
/**
* Wrapper for nested arrays or objects.
* - Undefined keys are returned as null.
* - array and object values are wrapped in objBag when returned.
*/
class objBag implements JsonSerializable, ArrayAccess {
/** @var object */
private $wrapped;
public function __construct($wrapped)
{
$this->wrapped = (object)$wrapped;
}
public function __get($name)
{
if ($this->wrapped) {
if (isset($this->wrapped->$name)) {
$x = $this->wrapped->$name;
if (is_array($x) || is_object($x)) return objBag($x);
return $x;
}
}
return null;
}
public function __set($name, $value)
{
if ($this->wrapped) {
$this->wrapped->$name = $value;
}
}
public function __unset($name)
{
if ($this->wrapped) {
unset($this->wrapped->$name);
}
}
public function __isset($name)
{
return isset($this->wrapped->$name);
}
public function get($name, $def = null)
{
if (!isset($this->$name)) return $def;
return $this->$name;
}
public function has($name)
{
return isset($this->$name) && $this->$name !== null;
}
public function unpack()
{
return $this->wrapped;
}
public function toArray()
{
return(array)$this->wrapped;
}
public function all()
{
return $this->toArray();
}
/**
* Specify data which should be serialized to JSON
*
* @link http://php.net/manual/en/jsonserializable.jsonserialize.php
* @return mixed data which can be serialized by <b>json_encode</b>,
* which is a value of any type other than a resource.
* @since 5.4.0
*/
public function jsonSerialize()
{
return $this->wrapped;
}
public function offsetExists($offset)
{
return isset($this->$offset);
}
public function offsetGet($offset)
{
return $this->$offset;
}
public function offsetSet($offset, $value)
{
$this->$offset = $value;
}
public function offsetUnset($offset)
{
unset($this->$offset);
}
}
function objBag($obj) {
return new \objBag($obj);
}
/**
* Helper to check if model exists.
*
* Related to https://github.com/laravel/framework/issues/13988
*
* @param \Illuminate\Database\Eloquent\Model|null $model
* @return bool
*/
function model_exists(Illuminate\Database\Eloquent\Model $model = null) {
return $model !== null && $model->exists;
}
/**
* Get a data array or value from the config data array
*
* @param string $key key in dot notation
* @param null $default default value if not defined
* @return mixed
*/
function data($key, $default = null)
{
return config("data.$key", $default);
}
/**
* Wrap the argument in an array, if not an array already.
* Null becomes an empty array, array stays an array.
* Collection is converted to an array.
*
* @param mixed|mixed[]|null $oneOrMany
* @return array
*/
function arr($oneOrMany)
{
if (is_null($oneOrMany)) {
return [];
}
if (is_array($oneOrMany)) {
return $oneOrMany;
} else if ($oneOrMany instanceof \Illuminate\Support\Collection) {
return $oneOrMany->toArray();
} else {
return [$oneOrMany];
}
}
/**
* Clamp value to given bounds
*
* @param float $value input
* @param float $min lower bound - included
* @param float $max upper bound - included
* @return float result
*/
function clamp($value, $min, $max)
{
return Utils::clamp($value, $min, $max);
}
function objCollect($value = null)
{
return new ObjCollection($value);
}
function mb_ucfirst($str) {
return Str::ucfirst($str);
}
// "pipe sort" is like normal sort, but returns the sorted array
/** "pipe sort" */
function sorted($arr) {
sort($arr);
return $arr;
}
/** natural "pipe sort" */
function natsorted($arr, $cs=false) {
return collect($arr)->natSort($cs)->all();
}
/** natural "pipe sort" by prop or retriever */
function natsorted_by($arr, $prop, $cs=false) {
return collect($arr)->natSortBy($prop, $cs)->all();
}
/** Preg match that returns the array */
function preg_matched($pattern, $subject) {
$ar = [];
preg_match($pattern, $subject, $ar);
return $ar;
}
/**
* Format a string using the {} syntax
*
* @param string $format
* @param array ...$replacements
* @return string
*/
function fmt($format, ...$replacements)
{
return Str::format($format, ...$replacements);
}
/**
* Sleep milliseconds (complementary to sleep & usleep)
*
* @param int $millis ms to sleep
*/
function msleep($millis)
{
usleep(1000 * $millis);
}
/**
* Sleep with a log message
*
* @param int $millis ms to sleep
*/
function log_msleep($millis)
{
Log::debug("Sleeping $millis ms");
usleep(1000 * $millis);
}
/**
* Sleep with a log message
*
* @param int $secs ms to sleep
*/
function log_sleep($secs)
{
Log::debug("Sleeping $secs s");
sleep($secs);
}
#endregion
#region Profiling
/**
* Start profiling
*
* @return float start time (token)
*/
function prof_start()
{
return Profiler::start();
}
/**
* End profiling
*
* @param float $token start time (from profiler_start())
* @return float time elapsed
*/
function prof_end($token)
{
return Profiler::end($token);
}
#endregion
/**
* Simple (but not exhaustive) transliteration for natural sort etc.
*
* @param $string
* @return string
*/
function simple_translit($string) {
static $table = [
'Á' => 'A', 'á' => 'a', 'Č' => 'C', 'č' => 'c', 'Ď' => 'D', 'ď' => 'd', 'É' => 'E',
'é' => 'e', 'Ě' => 'E', 'ě' => 'e', 'Í' => 'I', 'í' => 'i', 'Ň' => 'N', 'ň' => 'n',
'Ó' => 'O', 'ó' => 'o', 'Ř' => 'R', 'ř' => 'r', 'Š' => 'S', 'š' => 's', 'Ť' => 'T',
'ť' => 't', 'Ú' => 'U', 'ú' => 'u', 'Ů' => 'U', 'ů' => 'u', 'Ý' => 'Y', 'ý' => 'y',
'Ž' => 'Z', 'ž' => 'z', 'ß' => 'ss', 'А' => 'a', 'а' => 'a', 'Б' => 'b', 'б' => 'b',
'В' => 'v', 'в' => 'v', 'Г' => 'g', 'г' => 'g', 'Д' => 'd', 'д' => 'd', 'Е' => 'e',
'е' => 'e', 'Ё' => 'e', 'ё' => 'e', 'Ж' => 'z', 'ж' => 'z', 'З' => 'z', 'з' => 'z',
'И' => 'i', 'и' => 'i', 'Й' => 'j', 'й' => 'j', 'К' => 'k', 'к' => 'k', 'Л' => 'l',
'л' => 'l', 'М' => 'm', 'м' => 'm', 'Н' => 'n', 'н' => 'n', 'О' => 'o', 'о' => 'o',
'П' => 'p', 'п' => 'p', 'Р' => 'r', 'р' => 'r', 'С' => 's', 'с' => 's', 'Т' => 't',
'т' => 't', 'У' => 'u', 'у' => 'u', 'Ф' => 'f', 'ф' => 'f', 'Х' => 'x', 'х' => 'x',
'Ц' => 'c', 'ц' => 'c', 'Ч' => 'ch', 'ч' => 'ch', 'Ш' => 'sh', 'ш' => 'sh', 'Щ' => 'shch',
'щ' => 'shch', 'Ы' => 'y', 'ы' => 'y', 'Э' => 'e', 'э' => 'e', 'Ю' => 'ju', 'ю' => 'ju',
'Я' => 'ja', 'я' => 'ja',
];
return strtr($string, $table);
}