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[SOLVED] Multidimensional array: bug? or I'm misusing?


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Well, here's the PoC:

#include 'array.au3'
$test = "ab-cd+ef"
$test = StringSplit($test, "+") ; we will have ["ab-cd", "ef"]
_ArrayDisplay($test) ; confirm it
$test[1] = stringsplit($test[1], "-") ; we will have [ [ "ab", "cd" ], "ef" ]
_ArrayDisplay($test) ; confirming it
_ArrayDisplay($test[1]) ; confirming the [ "ab", "cd" ]

; This works:
msgbox(0, "", ( $test[1] )[1] ) ; we get "ab"

; But this doesn't:
msgbox(0, "", $test[1][1]) ; we get an error

#cs
Array variable has incorrect number of subscripts or subscript dimension range exceeded.:
msgbox(0, "", $test[$i][1])
msgbox(0, "", ^ ERROR
#ce

Is this a bug or this is really how AU3 works?

Running AutoIt 3.3.14.2 on Win7 x64 (running the x86 version of AU3).

Edited by Jefrey
solved

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My UDFs  _AuThread multithreading emulation for AutoIt · _ExtInputBox an inputbox with multiple inputs and more features · forceUTF8 fix strings encoding without knowing its original charset · JSONgen JSON generator · _TCPServer UDF multi-client and multi-task (run on background) event-based TCP server easy to do · _TCPClient_UDF multi-server and multi-task (runs on background) event-based TCP client easy to do · ParseURL and ParseStr functions ported from PHP · _CmdLine UDF easily parse command line parameters, keys or flags · AutoPHP Create documents (bills, incomes) from HTML by sending variables/arrays from AutoIt to PHP · (Un)Serialize Convert arrays and data into a storable string (PHP compatible) · RTTL Plays and exports to MP3 Nokia-format monophonic ringtones (for very old cellphones) · I18n library Simple and easy to use localization library · Scripting.Dictionary OOP and OOP-like approach · Buffer/stack limit arrays to N items by removing the last one once the limit is reached · NGBioAPI UDF to work with Nitgen fingerprint readers · Serial/Licensing system require license key based on unique machine ID from your users · HTTP a simple WinHTTP library that allows GET, POST and file uploads · Thread true AutoIt threads (under-dev) · RC4 RC4 encryption compatible with PHP and JS ·  storage.au3 localStorage and sessionStorage for AutoIt Classes _WKHtmlToX uses wkhtmlto* to convert HTML files and webpages into PDF or images (jpg, bmp, gif, png...) Snippets _Word_DocFindReplaceByLongText replace strings using Word UDF with strings longer than 255 characters (MSWord limit) rangeparser parser for printing-like pages interval (e.g.: "1,2,3-5") EnvParser parse strings/paths with environment variables and get full path GUICtrlStaticMarquee static text scrolling Random stuff Super Mario beep sound your ears will hurt

 

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1 minute ago, Jefrey said:

Well, here's the PoC:

#include 'array.au3'
$test = "ab-cd+ef"
$test = StringSplit($test, "+") ; we will have ["ab-cd", "ef"]
_ArrayDisplay($test) ; confirm it
$test[1] = stringsplit($test[1], "-") ; we will have [ [ "ab", "cd" ], "ef" ]
_ArrayDisplay($test) ; confirming it
_ArrayDisplay($test[1]) ; confirming the [ "ab", "cd" ]

; This works:
msgbox(0, "", ( $test[1] )[1] ) ; we get "ab"

; But this doesn't:
msgbox(0, "", $test[1][1]) ; we get an error

#cs
Array variable has incorrect number of subscripts or subscript dimension range exceeded.:
msgbox(0, "", $test[$i][1])
msgbox(0, "", ^ ERROR
#ce

Is this a bug or this is really how AU3 works?

Running AutoIt 3.3.14.2 on Win7 x64 (running the x86 version of AU3).

You're not creating a multidimensional array here, you're creating an array of array(s).  

 

Your first line of code works because Au3 interprets it as:  "Look at $test[1], and then give me the value in the second index of that array".  The second doesn't work, because its saying "give me the second row, second column in array $test"  which of course, doesn't exist.

 

You would initialize a multi-dimensional array like this:

 

 

local $test[2][2] = [["ab","cd"],["ef","hg"]]

msgbox(0,'',$test[1][1])

There would be no way to add a stringsplit into a multi-d array with standard UDF's.. you'd have to loop through it and addyourself.

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Okay, I think I've played too much with PHP where arrays are just like modeling clay LOL

Thanks for the info guys! :) 

My stuff

Spoiler

My UDFs  _AuThread multithreading emulation for AutoIt · _ExtInputBox an inputbox with multiple inputs and more features · forceUTF8 fix strings encoding without knowing its original charset · JSONgen JSON generator · _TCPServer UDF multi-client and multi-task (run on background) event-based TCP server easy to do · _TCPClient_UDF multi-server and multi-task (runs on background) event-based TCP client easy to do · ParseURL and ParseStr functions ported from PHP · _CmdLine UDF easily parse command line parameters, keys or flags · AutoPHP Create documents (bills, incomes) from HTML by sending variables/arrays from AutoIt to PHP · (Un)Serialize Convert arrays and data into a storable string (PHP compatible) · RTTL Plays and exports to MP3 Nokia-format monophonic ringtones (for very old cellphones) · I18n library Simple and easy to use localization library · Scripting.Dictionary OOP and OOP-like approach · Buffer/stack limit arrays to N items by removing the last one once the limit is reached · NGBioAPI UDF to work with Nitgen fingerprint readers · Serial/Licensing system require license key based on unique machine ID from your users · HTTP a simple WinHTTP library that allows GET, POST and file uploads · Thread true AutoIt threads (under-dev) · RC4 RC4 encryption compatible with PHP and JS ·  storage.au3 localStorage and sessionStorage for AutoIt Classes _WKHtmlToX uses wkhtmlto* to convert HTML files and webpages into PDF or images (jpg, bmp, gif, png...) Snippets _Word_DocFindReplaceByLongText replace strings using Word UDF with strings longer than 255 characters (MSWord limit) rangeparser parser for printing-like pages interval (e.g.: "1,2,3-5") EnvParser parse strings/paths with environment variables and get full path GUICtrlStaticMarquee static text scrolling Random stuff Super Mario beep sound your ears will hurt

 

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