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96112cb1f0
2da49992cc [Downgrade] [PHP 7.2] Make DowngradeParameterTypeWideningRector always downgrade to phpdoc type (#390)
93 lines
3.7 KiB
PHP
93 lines
3.7 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\MysqlToMysqli\Rector\FuncCall;
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use PhpParser\Node;
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use PhpParser\Node\Arg;
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use PhpParser\Node\Expr;
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use PhpParser\Node\Expr\BinaryOp\Concat;
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use PhpParser\Node\Expr\FuncCall;
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use PhpParser\Node\Name;
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use PhpParser\Node\Scalar\String_;
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use Rector\Core\Rector\AbstractRector;
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use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
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use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
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/**
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* @changelog https://www.phpclasses.org/blog/package/9199/post/3-Smoothly-Migrate-your-PHP-Code-using-the-Old-MySQL-extension-to-MySQLi.html
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*
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* @see \Rector\Tests\MysqlToMysqli\Rector\FuncCall\MysqlFuncCallToMysqliRector\MysqlFuncCallToMysqliRectorTest
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*/
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final class MysqlFuncCallToMysqliRector extends \Rector\Core\Rector\AbstractRector
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{
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/**
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* @var string
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*/
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private const MYSQLI_QUERY = 'mysqli_query';
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public function getRuleDefinition() : \Symplify\RuleDocGenerator\ValueObject\RuleDefinition
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{
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return new \Symplify\RuleDocGenerator\ValueObject\RuleDefinition('Converts more complex mysql functions to mysqli', [new \Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample(<<<'CODE_SAMPLE'
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mysql_drop_db($database);
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CODE_SAMPLE
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, <<<'CODE_SAMPLE'
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mysqli_query('DROP DATABASE ' . $database);
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CODE_SAMPLE
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)]);
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}
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/**
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* @return array<class-string<Node>>
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*/
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public function getNodeTypes() : array
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{
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return [\PhpParser\Node\Expr\FuncCall::class];
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}
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/**
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* @param FuncCall $node
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*/
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public function refactor(\PhpParser\Node $node) : \PhpParser\Node\Expr\FuncCall
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{
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if ($this->isName($node, 'mysql_create_db')) {
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return $this->processMysqlCreateDb($node);
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}
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if ($this->isName($node, 'mysql_drop_db')) {
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return $this->processMysqlDropDb($node);
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}
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if ($this->isName($node, 'mysql_list_dbs')) {
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$node->name = new \PhpParser\Node\Name(self::MYSQLI_QUERY);
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$node->args[0] = new \PhpParser\Node\Arg(new \PhpParser\Node\Scalar\String_('SHOW DATABASES'));
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}
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if ($this->isName($node, 'mysql_list_fields')) {
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$node->name = new \PhpParser\Node\Name(self::MYSQLI_QUERY);
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$node->args[0]->value = $this->joinStringWithNode('SHOW COLUMNS FROM', $node->args[1]->value);
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unset($node->args[1]);
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}
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if ($this->isName($node, 'mysql_list_tables')) {
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$node->name = new \PhpParser\Node\Name(self::MYSQLI_QUERY);
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$node->args[0]->value = $this->joinStringWithNode('SHOW TABLES FROM', $node->args[0]->value);
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}
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return $node;
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}
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private function processMysqlCreateDb(\PhpParser\Node\Expr\FuncCall $funcCall) : \PhpParser\Node\Expr\FuncCall
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{
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$funcCall->name = new \PhpParser\Node\Name(self::MYSQLI_QUERY);
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$funcCall->args[0]->value = $this->joinStringWithNode('CREATE DATABASE', $funcCall->args[0]->value);
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return $funcCall;
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}
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private function processMysqlDropDb(\PhpParser\Node\Expr\FuncCall $funcCall) : \PhpParser\Node\Expr\FuncCall
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{
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$funcCall->name = new \PhpParser\Node\Name(self::MYSQLI_QUERY);
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$funcCall->args[0]->value = $this->joinStringWithNode('DROP DATABASE', $funcCall->args[0]->value);
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return $funcCall;
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}
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/**
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* @return \PhpParser\Node\Scalar\String_|\PhpParser\Node\Expr\BinaryOp\Concat
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*/
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private function joinStringWithNode(string $string, \PhpParser\Node\Expr $expr)
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{
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if ($expr instanceof \PhpParser\Node\Scalar\String_) {
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return new \PhpParser\Node\Scalar\String_($string . ' ' . $expr->value);
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}
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return new \PhpParser\Node\Expr\BinaryOp\Concat(new \PhpParser\Node\Scalar\String_($string . ' '), $expr);
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}
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}
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