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<?php
namespace Cocur\Chain\Link;
use Cocur\Chain\Chain;
/**
* Filter.
*
* @author Florian Eckerstorfer
* @copyright 2015 Florian Eckerstorfer
*/
trait Filter
{
* Filters elements of an array using a callback function.
* Iterates over each value in the array passing them to the `callback` function. If the callback functions returns
* true the current value from the array stays in the array, otherwise they are removed. Array keys are preserved.
* @param callable $callback The callback function to use.
* @return Chain
Filter
This check compares the return type specified in the @return annotation of a function or method doc comment with the types returned by the function and raises an issue if they mismatch.
@return
public function filter(callable $callback)
$this->array = array_filter($this->array, $callback, ARRAY_FILTER_USE_BOTH);
array
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
class MyClass { } $x = new MyClass(); $x->foo = true;
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion:
class MyClass { public $foo; } $x = new MyClass(); $x->foo = true;
return $this;
}
cocur /
chain
Florian Eckerstorfer
Danilo Silva
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This check compares the return type specified in the
@returnannotation of a function or method doc comment with the types returned by the function and raises an issue if they mismatch.