<?php declare(strict_types=1);

namespace PhpParser\Node\Expr;

use PhpParser\Node\Arg;
use PhpParser\Node\Expr;
use PhpParser\Node\VariadicPlaceholder;

abstract class CallLike extends Expr {
    /**
     * Return raw arguments, which may be actual Args, or VariadicPlaceholders for first-class
     * callables.
     *
     * @return array<Arg|VariadicPlaceholder>
     */
    abstract public function getRawArgs(): array;

    /**
     * Returns whether this call expression is actually a first class callable.
     */
    public function isFirstClassCallable(): bool {
        $rawArgs = $this->getRawArgs();
        return count($rawArgs) === 1 && current($rawArgs) instanceof VariadicPlaceholder;
    }

    /**
     * Assert that this is not a first-class callable and return only ordinary Args.
     *
     * @return Arg[]
     */
    public function getArgs(): array {
        assert(!$this->isFirstClassCallable());
        return $this->getRawArgs();
    }
}

• [D] AssignOp
• [D] BinaryOp
• [D] Cast
• [F] Array_.php
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• [F] ArrayDimFetch.php
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• [F] ArrayItem.php
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• [F] ArrowFunction.php
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• [F] Assign.php
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• [F] AssignOp.php
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• [F] AssignRef.php
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• [F] BinaryOp.php
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• [F] BitwiseNot.php
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• [F] BooleanNot.php
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• [F] CallLike.php
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• [F] Cast.php
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• [F] ClassConstFetch.php
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• [F] Clone_.php
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• [F] Closure.php
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• [F] ClosureUse.php
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• [F] Error.php
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• [F] Eval_.php
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• [F] FuncCall.php
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• [F] Instanceof_.php
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• [F] Isset_.php
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• [F] List_.php
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• [F] Match_.php
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• [F] MethodCall.php
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• [F] New_.php
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• [F] NullsafeMethodCall.php
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• [F] NullsafePropertyFetch.php
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• [F] PropertyFetch.php
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• [F] ShellExec.php
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• [F] StaticCall.php
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• [F] StaticPropertyFetch.php
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• [F] Ternary.php
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• [F] Throw_.php
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• [F] UnaryMinus.php
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• [F] UnaryPlus.php
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• [F] Variable.php
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• [F] Yield_.php
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• [F] YieldFrom.php
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