Файл: vendor/laravel/framework/src/Illuminate/Conditionable/Traits/Conditionable.php
Строк: 93
<?php
namespace IlluminateSupportTraits;
use Closure;
use IlluminateSupportHigherOrderWhenProxy;
trait Conditionable
{
/**
* Apply the callback if the given "value" is (or resolves to) truthy.
*
* @template TWhenParameter
* @template TWhenReturnType
*
* @param (Closure($this): TWhenParameter)|TWhenParameter|null $value
* @param (callable($this, TWhenParameter): TWhenReturnType)|null $callback
* @param (callable($this, TWhenParameter): TWhenReturnType)|null $default
* @return $this|TWhenReturnType
*/
public function when($value = null, callable $callback = null, callable $default = null)
{
$value = $value instanceof Closure ? $value($this) : $value;
if (func_num_args() === 0) {
return new HigherOrderWhenProxy($this);
}
if (func_num_args() === 1) {
return (new HigherOrderWhenProxy($this))->condition($value);
}
if ($value) {
return $callback($this, $value) ?? $this;
} elseif ($default) {
return $default($this, $value) ?? $this;
}
return $this;
}
/**
* Apply the callback if the given "value" is (or resolves to) falsy.
*
* @template TUnlessParameter
* @template TUnlessReturnType
*
* @param (Closure($this): TUnlessParameter)|TUnlessParameter|null $value
* @param (callable($this, TUnlessParameter): TUnlessReturnType)|null $callback
* @param (callable($this, TUnlessParameter): TUnlessReturnType)|null $default
* @return $this|TUnlessReturnType
*/
public function unless($value = null, callable $callback = null, callable $default = null)
{
$value = $value instanceof Closure ? $value($this) : $value;
if (func_num_args() === 0) {
return (new HigherOrderWhenProxy($this))->negateConditionOnCapture();
}
if (func_num_args() === 1) {
return (new HigherOrderWhenProxy($this))->condition(! $value);
}
if (! $value) {
return $callback($this, $value) ?? $this;
} elseif ($default) {
return $default($this, $value) ?? $this;
}
return $this;
}
}