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From: Meredith Montgomery <mmontgomery@levado.to>
Newsgroups: comp.lang.php
Subject: Re: php 7.4: null["key"]
Date: Fri, 03 Jun 2022 17:09:41 -0300
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Meredith Montgomery <mmontgomery@levado.to> writes:

> De ongekruisigde <ongekruisigde@news.eternal-september.org> writes:
>
>> On 2022-05-31, Meredith Montgomery <mmontgomery@levado.to> wrote:
>>> "J.O. Aho" <user@example.net> writes:
>>>
>>>> On 30/05/2022 04.13, Meredith Montgomery wrote:
>>>>> Meredith Montgomery <mmontgomery@levado.to> writes:
>>>>> 
>>>>>> I'm upgrading code to PHP 7.4, which will now blow a notice for things
>>>>>> such as
>>>>>>
>>>>>>    null["key"]
>>>>>>    (1.2)["key"]
>>>>>>    (123)["key"]

[...]

>> Have you looked at PHPCompatibility? 
>>
>> <https://github.com/PHPCompatibility/PHPCompatibility>
>
> That looks very good.  I had not looked into it, but I will.  I'll
> report back with what I find.  Thank you so much.

Thank you for the suggestion.  My sane tests all worked, but now I'm
processing an entire directory structure and the program seems to be
quitting at 15%, returning exit code 255.

$ phpcs -p . --standard=PHPCompatibility
............................................................    60 / 12472 (0%)
............WWWWWW.....W....................................   120 / 12472 (1%)
............................................................   180 / 12472 (1%)
.........................................................W..   240 / 12472 (2%)
............................................................   300 / 12472 (2%)
...................W........................................   360 / 12472 (3%)
...............W....................W.......................   420 / 12472 (3%)
W...........................................................   480 / 12472 (4%)
W..........W.W..........W...........W.......................   540 / 12472 (4%)
......................W.........W...WW.W...W....W.......W...   600 / 12472 (5%)
......W.WW...W..WWWW....W.........W.W.W.W..WW.W.WWWWW.WWEWWW   660 / 12472 (5%)
WWWWWWWWWWWWW.WW...W.WWWWWW.WW.WWWW...WW.WWE...........W....   720 / 12472 (6%)
EEWW..E.....................................................   780 / 12472 (6%)
...................W........................................   840 / 12472 (7%)
............................................................   900 / 12472 (7%)
...................W........................................   960 / 12472 (8%)
.........................................W..................  1020 / 12472 (8%)
....................................W.......................  1080 / 12472 (9%)
.......................W........................W........W..  1140 / 12472 (9%)
WW............W..........W.W...W...............W....W.......  1200 / 12472 (10%)
......W.....................................................  1260 / 12472 (10%)
............................................................  1320 / 12472 (11%)
............................................................  1380 / 12472 (11%)
...................W......WWWW....W.W........W....W.........  1440 / 12472 (12%)
.........................................................W..  1500 / 12472 (12%)
WWWWW..W...W..............WW.WWW......W........W............  1560 / 12472 (13%)
.......W...................................SS..S..S.........  1620 / 12472 (13%)
.........SS...............................................SS  1680 / 12472 (13%)
S...S.S......S..............................................  1740 / 12472 (14%)
..S...........S...............................S.............  1800 / 12472 (14%)
............................................................  1860 / 12472 (15%)
..................SS............S.S...SSSS............S..S.S  1920 / 12472 (15%)
..$ echo $?
255
$

(*) A new attempt

If I use the --report-file flag, I get to see the partial report
produced, so I have 15% of the full report, but the program seems to
quit (or crash) like before.

$ phpcs -p . --standard=PHPCompatibility --report-file=/usr/local/tmp/report.txt
[...]
..................SS............S.S...SSSS............S..S.S  1920 / 12472 (15%)
..$ echo $?
255

I have not yet found any debugging flags or anything like that.