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Doc Bug #80804 debug_zval_dump example does not compile (Parse error: syntax error is shown)
Submitted: 2021-02-26 16:42 UTC Modified: 2021-03-03 14:00 UTC
From: forkik at gmail dot com Assigned: cmb (profile)
Status: Duplicate Package: *General Issues
PHP Version: 8.0Git-2021-02-26 (Git) OS:
Private report: No CVE-ID: None
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From: forkik at gmail dot com
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 [2021-02-26 16:42 UTC] forkik at gmail dot com 
Description:
------------
---
From manual page: https://php.net/function.debug-zval-dump
---


Test script:
---------------
<?php
$var1 = 'Hello World';
$var2 = '';

$var2 =& $var1;

debug_zval_dump(&$var1);
?>

Actual result:
--------------
Parse error: syntax error, unexpected token "&" in /tmp/tester.php on line 7 

Checked at https://extendsclass.com/php.html with PHP versions: 8.0.0 and 7.4.8

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 [2021-02-26 16:47 UTC] requinix@php.net
-Summary: Example does not compile (Parse error: syntax error is shown) +Summary: debug_zval_dump example does not compile (Parse error: syntax error is shown) -Package: Documentation problem +Package: *General Issues
 [2021-02-26 16:47 UTC] requinix@php.net 
As pointed out in the comments, the example requires call-time pass-by-reference which was removed from PHP a while back.

The unfortunate truth is that debug_zval_dump is essentially useless now...
 [2021-02-27 21:22 UTC] requinix@php.net 
Discussion: https://externals.io/message/113298
 [2021-03-03 14:00 UTC] cmb@php.net
-Status: Open +Status: Duplicate -Assigned To: +Assigned To: cmb
 [2021-03-03 14:00 UTC] cmb@php.net 
Duplicate of bug #72283.
 
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