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<?php |
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/** |
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* FunctionCallTrait |
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* |
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* @package php-deferred-callchain |
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* @author Daniel S. Deboer |
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* |
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*/ |
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namespace JClaveau\Async; |
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/** |
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* This trait is a pure copy of the the argument handling of the Pipe |
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* class https://github.com/danielsdeboer/pipe. |
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*/ |
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trait FunctionCallTrait |
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{ |
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protected $placeholder; |
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/** |
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* Prepare the arguments list. |
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* @param array $args |
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* @param mixed $value |
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* @return array |
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*/ |
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// protected function prepareArgs (array $args) : array |
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protected function prepareArgs (array $args, $value) |
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{ |
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return $this->hasPlaceholder($args) |
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? $this->replacePlaceholderWithValue($args, $value) |
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: $this->addValueAsFirstArg($args, $value); |
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} |
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/** |
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* Check if an array contains an element matching the placeholder. |
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* @param array $args |
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* @return bool |
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*/ |
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// protected function hasPlaceholder (array $args) : bool |
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protected function hasPlaceholder (array $args) |
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{ |
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return in_array($this->placeholder, $args, true); |
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} |
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/** |
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* Add the value as the first argument in the arguments list. |
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* @param array $args |
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* @return array |
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*/ |
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// protected function addValueAsFirstArg (array $args) : array |
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protected function addValueAsFirstArg (array $args, $value) |
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{ |
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array_unshift($args, $value); |
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return $args; |
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} |
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/** |
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* Replace any occurrence of the placeholder with the value. |
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* @param array $args |
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* @param mixed $value |
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* @return array |
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*/ |
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protected function replacePlaceholderWithValue (array $args, $value) |
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// protected function replacePlaceholderWithValue (array $args) : array |
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{ |
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return array_map([$this, function ($arg) use ($value) { |
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return $arg === $this->placeholder |
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? $value |
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: $arg; |
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}], [$args]); |
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} |
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/**/ |
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} |
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jclaveau /
php-deferred-callchain
