38 lines
988 B
PHP
38 lines
988 B
PHP
<?php
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namespace Phabel\Target\Php71;
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use Phabel\Context;
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use Phabel\Plugin;
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use PhpParser\Node\Expr\Array_;
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use PhpParser\Node\Expr\Assign;
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use PhpParser\Node\Expr\List_;
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/**
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* Polyfills list expression return value.
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*/
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class ListExpression extends Plugin
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{
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/**
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* Parse list assignment.
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*
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* @param Assign $node List assignment
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*
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* @return void
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*/
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public function enterAssign(Assign $node, Context $ctx): void
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{
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$isStmt = $ctx->parents[0]->getAttribute('currentNode') === 'stmts';
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if (!($node->var instanceof List_ || $node->var instanceof Array_) || $isStmt) {
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return;
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}
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$list = $node->var;
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$var = $ctx->getVariable();
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$assignments = ListReference::splitList($list, $var);
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// On newer versions of php, the list assignment expression returns the original array
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$ctx->insertBefore($node, new Assign($var, $node->expr), ...$assignments);
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return $var;
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}
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}
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