Magento 2
PHP 8: Constructor Property Promotion
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> PHP 8
<?php
...
class Index implements DataPatchInterface
{
// Property scope & variables are defined only with constructor arguments.
// Get used to empty constructor bodies in PHP 8!
public function __construct(
protected ModuleDataSetupInterface $moduleDataSetup,
protected ResourceConnection $resource
) {
}< PHP 8
<?php
...
class Index implements DataPatchInterface
{
protected ModuleDataSetupInterface $moduleDataSetup;
protected ResourceConnection $resource;
// Properties, class & variable names get referenced in triplicate:
// 1. Within the property scope definition above.
// 2. Within the constructor arguments.
// 3. Then again within the constructor body.
public function __construct(
ModuleDataSetupInterface $moduleDataSetup,
ResourceConnection $resource
) {
$this->moduleDataSetup = $moduleDataSetup;
$this->resource = $resource;
}
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