rector/rules/MysqlToMysqli/Rector/FuncCall/MysqlPConnectToMysqliConnec...

80 lines
2.2 KiB
PHP

<?php
declare (strict_types=1);
namespace Rector\MysqlToMysqli\Rector\FuncCall;
use PhpParser\Node;
use PhpParser\Node\Arg;
use PhpParser\Node\Expr;
use PhpParser\Node\Expr\BinaryOp\Concat;
use PhpParser\Node\Expr\FuncCall;
use PhpParser\Node\Name;
use PhpParser\Node\Scalar\String_;
use Rector\Core\Rector\AbstractRector;
use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
/**
* @changelog https://stackoverflow.com/a/34041762/1348344
* @see \Rector\Tests\MysqlToMysqli\Rector\FuncCall\MysqlPConnectToMysqliConnectRector\MysqlPConnectToMysqliConnectRectorTest
*/
final class MysqlPConnectToMysqliConnectRector extends AbstractRector
{
public function getRuleDefinition() : RuleDefinition
{
return new RuleDefinition('Replace mysql_pconnect() with mysqli_connect() with host p: prefix', [new CodeSample(<<<'CODE_SAMPLE'
final class SomeClass
{
public function run($host, $username, $password)
{
return mysql_pconnect($host, $username, $password);
}
}
CODE_SAMPLE
, <<<'CODE_SAMPLE'
final class SomeClass
{
public function run($host, $username, $password)
{
return mysqli_connect('p:' . $host, $username, $password);
}
}
CODE_SAMPLE
)]);
}
/**
* @return array<class-string<Node>>
*/
public function getNodeTypes() : array
{
return [FuncCall::class];
}
/**
* @param FuncCall $node
*/
public function refactor(Node $node) : ?Node
{
if (!$this->isName($node, 'mysql_pconnect')) {
return null;
}
if (!isset($node->args[0])) {
return null;
}
if (!$node->args[0] instanceof Arg) {
return null;
}
$node->name = new Name('mysqli_connect');
$node->args[0]->value = $this->joinStringWithNode('p:', $node->args[0]->value);
return $node;
}
/**
* @return \PhpParser\Node\Scalar\String_|\PhpParser\Node\Expr\BinaryOp\Concat
*/
private function joinStringWithNode(string $string, Expr $expr)
{
if ($expr instanceof String_) {
return new String_($string . $expr->value);
}
return new Concat(new String_($string), $expr);
}
}