Doc #60661 [Opn->Csd]: array_shift converts string-encapsulated numbers into numbers

Edit report at https://bugs.php.net/bug.php?id=60661&edit=1 ID: 60661 Updated by: frozenfire@php.net Reported by: jwege at gmx dot net Summary: array_shift converts string-encapsulated numbers into numbers -Status: Open +Status: Closed Type: Documentation Problem Package: Arrays related PHP Version: 5.3.8 -Assigned To: +Assigned To: frozenfire Block user comment: N Private report: N New Comment: phpmpan at mpan dot pl is correct. This is expected behaviour that is well- documented. Previous Comments: ------------------------------------------------------------------------ [2012-01-10 10:17:21] asd_wte at yahoo dot com cannot replicate the error. i get the following: Array ( [_] => blank dummy [01] => one [10] => ten [20] => twenty ) ten Array ( [01] => one [0] => ten [1] => twenty ) ten twenty must be a misconfigured php.ini ------------------------------------------------------------------------ [2012-01-06 02:03:33] phpmpan at mpan dot pl array_shift has nothing to do with this. Keys are integers immedietly after assignment. Use var_dump instad of print_r. This behaviour is consistent with documentation. [1] clearly states that: "If a key is the standard representation of an integer, it will be interpreted as such." [1] http://pl.php.net/manual/en/language.types.array.php ------------------------------------------------------------------------ [2012-01-04 22:24:43] jwege at gmx dot net Description: ------------ --- From manual page: http://www.php.net/function.array-shift#refsect1-function.array-shift-seealso --- Having an associative array where the keys are number-strings (enclosed in quotes as strings - see example), this strings get converted into numbers when using array_shift(). This is a severe bug! Test script: --------------- $a["_"] = "blank dummy"; $a["01"] = "one"; $a["10"] = "ten"; $a["20"] = "twenty"; print_r( $a ); echo $a["10"] . "\n"; array_shift( $a ); print_r( $a ); echo $a["10"] . "\n"; // THIS PRODUCES AN UNDEFINED INDEX ERROR echo $a["20"] . "\n"; // THIS PRODUCES AN UNDEFINED INDEX ERROR echo $a[0] . "\n"; // THIS SHOULD PRODUCE AN ERROR BUT SHOWS THE VALUE echo $a[1] . "\n"; // THIS SHOULD PRODUCE AN ERROR BUT SHOWS THE VALUE Expected result: ---------------- I expect that the line echo $a["10"] . "\n"; will produce "ten" as an output, also echo $a["20"] . "\n"; should output "twenty". Actual result: -------------- Notice: Undefined index: 10 in [test] on line 13 ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=60661&edit=1