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Request #76904 New Closure class method suggestion
Submitted: 2018-09-19 17:16 UTC Modified: 2018-10-07 09:38 UTC
From: hello at rayfung dot hk Assigned: cmb (profile)
Status: No Feedback Package: *General Issues
PHP Version: 7.2.10 OS:
Private report: No CVE-ID: None
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 [2018-09-19 17:16 UTC] hello at rayfung dot hk
Closure::apply — Binds and calls the closure with an array of parameters

public mixed Closure::apply ( object $newthis [, array $param_arr ] )
Temporarily binds the closure to newthis, and calls it with any given array of parameters.

    The object to bind the closure to for the duration of the call.

    The parameters to be passed to the callback, as an indexed array.

#Return Values
Returns the return value of the closure.

Test script:
$closure = function($name, $age) {
    return $name . ' is ' . $age . ' years old';

$closure->apply($three, ['Peter', 30]);

Expected result:
Peter is 30 years old


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 [2018-09-19 17:20 UTC] Wes dot example at example dot org
already exists.

$closure->call($newThis, ...$arguments);
 [2018-09-19 17:22 UTC] Wes dot example at example dot org
so, for instance

$closure->call($three, ...['Peter', 30]);
 [2018-09-20 12:52 UTC]
-Status: Open +Status: Feedback -Assigned To: +Assigned To: cmb
 [2018-09-20 12:52 UTC]
Indeed, what's wrong with `::call()` and using argument unpacking
(aka. spread operator)?
 [2018-10-07 09:38 UTC]
-Status: Feedback +Status: No Feedback
 [2018-10-07 09:38 UTC]
No feedback was provided. The bug is being suspended because
we assume that you are no longer experiencing the problem.
If this is not the case and you are able to provide the
information that was requested earlier, please do so and
change the status of the bug back to "Open". Thank you.
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