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<?php |
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/** |
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* nozavroni/collect |
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* |
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* This is a basic utility library for PHP5.6+ with special emphesis on Collections. |
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* |
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* @author Luke Visinoni <[email protected]> |
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* @copyright (c) 2018 Luke Visinoni <[email protected]> |
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* @license MIT (see LICENSE file) |
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*/ |
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namespace Noz; |
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use Noz\Collection\Collection; |
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use RuntimeException; |
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use Traversable; |
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/** |
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* Is a value traversable? |
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* |
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* @param mixed $value |
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* |
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* @return bool |
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*/ |
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function is_traversable($value) |
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{ |
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return is_array($value) || ($value instanceof Traversable); |
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} |
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/** |
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* Convert $items to an array |
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* |
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* @param mixed $items The var to convert to an array |
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* @param bool $force Force item to array no matter what? |
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* |
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* @throws RuntimeException if cannot be converted to an array |
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* |
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* @return array |
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*/ |
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function to_array($items, $force = false) |
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{ |
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if (method_exists($items, 'toArray')) { |
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return $items->toArray(); |
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} elseif (is_array($items)) { |
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return $items; |
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} elseif ($items instanceof Traversable) { |
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return iterator_to_array($items); |
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} elseif (is_string($items)) { |
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$json = json_decode($items, true); |
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if (is_array($json) && json_last_error() == JSON_ERROR_NONE) { |
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return $json; |
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} |
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} |
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if ($force) { |
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return (array) $items; |
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} |
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throw new RuntimeException(__FUNCTION__ . " could not convert items to an array"); |
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} |
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/** |
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* Collection factory function |
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* |
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* @param array|Traversable $items |
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* |
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* @return Collection |
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*/ |
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function collect($items) |
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{ |
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return Collection::factory($items); |
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} |
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/** |
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* Assign a value to a variable if a condition is met |
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* |
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* @param mixed $var |
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* @param mixed $value |
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* @param bool|callable $condition |
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* |
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* @return bool |
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*/ |
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function assign_if(&$var, $value, $condition) |
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{ |
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if (is_callable($condition)) { |
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$condition = $condition($value); |
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} |
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if ($condition) { |
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$var = $value; |
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} |
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} |
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/** |
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* Get numeric value of any variable |
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* |
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* Pass any string, int or float and this will convert it to its appropriate int or float value. |
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* |
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* @param mixed $val Variable you want the numeric value of |
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* |
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* @return int |
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*/ |
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function to_numeric($val) |
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{ |
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if (is_numeric($val)) { |
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return $val + 0; |
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} |
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return 0; |
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} |
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/** |
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* Check if a variable is numeric |
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* |
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* Unfortunately I cannot pass "is_numeric" as a callback because it only accepts one parameter. So I have created this |
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* alias in order to be able to pass it as a callback. |
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* |
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* @param mixed $val The value to check |
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* |
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* @return bool |
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*/ |
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function is_numeric($val) |
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{ |
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return \is_numeric($val); |
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} |
nozavroni /
collect
