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Doc Bug #16739 `print' variable function call fails.
Submitted: 2002-04-22 23:54 UTC Modified: 2002-07-19 13:53 UTC
Votes:6
Avg. Score:3.2 ± 1.2
Reproduced:4 of 4 (100.0%)
Same Version:2 (50.0%)
Same OS:2 (50.0%)
From: marshall at magpcss dot com Assigned: georg (profile)
Status: Closed Package: Documentation problem
PHP Version: 4.3.0-dev OS: FreeBSD 4.5,RedHat 2.4.7,Win XP
Private report: No CVE-ID: None
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 [2002-04-22 23:54 UTC] marshall at magpcss dot com 
According to the official PHP documentation [http://www.php.net/manual/en/functions.variable-functions.php] the language construct `print' can be called as a variable function.  The following code should therefore be valid:

$myfunc = 'print';
$myfunc('My text to print');

Attempting to execute this code on any platform returns a "Fatal error: Call to undefined function:  print()" message.

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 [2002-05-10 01:32 UTC] philip@php.net 
Confirmed with PHP 4.3.0-dev (cgi) (may 09, 2002)
PHP Fatal error:  Call to undefined function:  print() in...

This behavior is documented as working in at least two
places.  These changes to phpdoc were made on March 05,
2002.  So:

  a) Did this used to work?
  b) Will it work in the future?
  c) Should this be documented/undocumented?

I'm guessing it never worked but may in the future.
In the very least, a version of (c) needs to happen.
I can only confirm 4.1.2 through php4-cvs at this time.

print:
http://cvs.php.net/diff.php/phpdoc/en/functions/strings.xml?r1=1.164&r2=1.165

Variable functions:
http://cvs.php.net/diff.php/phpdoc/en/language/functions.xml?r1=1.24&r2=1.25
 [2002-05-10 08:15 UTC] georg@php.net 
Its wrong in the documentation. Assigned to myself
 [2002-07-19 13:53 UTC] goba@php.net 
18438 was also opened for the same reason. The echo page is also affected. Georg please also correct it.
 [2020-02-07 06:12 UTC] phpdocbot@php.net 
Automatic comment on behalf of georg
Revision: http://git.php.net/?p=doc/en.git;a=commit;h=e92e5c946558b57ecb6feacc0fea5a563170d39b
Log: printf can't be used with variable function calls fixed bug #16739
 
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