/var/www/vhosts/ihelp.ro/httpdocs/vendor/twig/twig/src/Node/Expression
Edit: /var/www/vhosts/ihelp.ro/httpdocs/vendor/twig/twig/src/Node/Expression/NullCoalesceExpression.php (2102B)
getTemplateLine());
// for "block()", we don't need the null test as the return value is always a string
if (!$left instanceof BlockReferenceExpression) {
$test = new AndBinary(
$test,
new NotUnary(new NullTest($left, 'null', new Node(), $left->getTemplateLine()), $left->getTemplateLine()),
$left->getTemplateLine()
);
}
parent::__construct($test, $left, $right, $lineno);
}
public function compile(Compiler $compiler): void
{
/*
* This optimizes only one case. PHP 7 also supports more complex expressions
* that can return null. So, for instance, if log is defined, log("foo") ?? "..." works,
* but log($a["foo"]) ?? "..." does not if $a["foo"] is not defined. More advanced
* cases might be implemented as an optimizer node visitor, but has not been done
* as benefits are probably not worth the added complexity.
*/
if ($this->getNode('expr2') instanceof NameExpression) {
$this->getNode('expr2')->setAttribute('always_defined', true);
$compiler
->raw('((')
->subcompile($this->getNode('expr2'))
->raw(') ?? (')
->subcompile($this->getNode('expr3'))
->raw('))')
;
} else {
parent::compile($compiler);
}
}
}