PHPSA\Compiler\Expression\IssetOp::compile()

Complexity

Conditions	6
Paths	8

Size

Total Lines	28
Code Lines	15

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	18
CRAP Score	6

Importance

Changes	2
Bugs	0	Features	0

<?php
    protected function compile($expr, Context $context)
    {
        $result = false;

        foreach ($expr->vars as $var) {
            if ($var instanceof Variable) {
                $varName = $var->name;

                if ($varName instanceof Name) {
                    $varName = $varName->parts[0];
                }

                $variable = $context->getSymbol($varName);

                if ($variable) {
                    $variable->incUse();

                    if ($variable->getValue() !== null) {
                        $result = true;
                        continue; // this variable is set, continue
                    }
                }
                return CompiledExpression::fromZvalValue(false); // one of the vars is not set
            }
        }

        return CompiledExpression::fromZvalValue($result); // if all are set return true, else false
    }
}