HEREDOC中的静态函数调用结果

Question

I just tried the following:

<?php
$script = <<<HEREDOC
    var delUrl = '{ScriptManager::getDelUrl()}';
HEREDOC;

echo $script;
?>

And in the browser I get:

// Used by JS
var delUrl = '{ScriptManager::getDelUrl()}';

Instead of seeing the result of the static call ScriptManager::getDelUrl() the output is the literal PHP. Is there a way to make static calls get evaluated inside HEREDOC, possibly without assigning their values to a variable before the HEREDOC?

Answer 1

I demo a static call, but on an object.

This must be done on a recent version of PHP, they recently made it more complex. The results of ln4 and ln5 are computed. Is it possible to have the object, not the class?

<?php
error_reporting(-1);
print("this is PHP".phpversion()."
");
$a=1;
class b {
    public $c=3;

    public static function d() {
        return 4;
    }
}
$e=new b();

$t=<<<EOSAMPLE
hwllo world $a
ln1 {b->$c}
ln3 {b::d()}
ln4 {$e::d()}
ln5 {$e->d()}
ln2 {$e->c}

EOSAMPLE;
print($t);

$t=<<<'EOSAMPLE'
hwllo world $a
ln1 {b->$c}
ln3 {b::d()}
ln4 {$e::d()}
ln5 {$e->d()}
ln2 {$e->c}

EOSAMPLE;
print($t);

$t=<<<"EOSAMPLE"
hwllo world $a
ln1 {b->$c}
ln3 {b::d()}
ln4 {$e::d()}
ln5 {$e->d()}
ln2 {$e->c}

EOSAMPLE;
print($t);