Doc #79071 [Ver->Csd]: Undocumented truncation of tempnam() second parameter

Edit report at https://bugs.php.net/bug.php?id=79071&edit=1 ID: 79071 Updated by: cmb@php.net Reported by: fabienung at hotmail dot fr Summary: Undocumented truncation of tempnam() second parameter -Status: Verified +Status: Closed Type: Documentation Problem Package: Filesystem function related Operating System: Linux PHP Version: 7.4.1 -Assigned To: +Assigned To: cmb Block user comment: N Private report: N New Comment: This bug has been fixed in the documentation's XML sources. Since the online and downloadable versions of the documentation need some time to get updated, we would like to ask you to be a bit patient. Thank you for the report, and for helping us make our documentation better. Previous Comments: ------------------------------------------------------------------------ [2020-02-09 14:25:31] cmb@php.net Automatic comment from SVN on behalf of cmb Revision: http://svn.php.net/viewvc/?view=revision&revision=349191 Log: Fix #79071: Undocumented truncation of tempnam() second parameter ------------------------------------------------------------------------ [2020-01-06 14:41:50] cmb@php.net Since this truncation happens as of PHP 5.1.3, in my opinion just documenting the fact should be sufficient. ------------------------------------------------------------------------ [2020-01-06 14:11:30] fabienung at hotmail dot fr Description: ------------ tempnam() will truncate the second argument after 63 characters see: https://github.com/php/php-src/blob/bbcfa66e06110d8256595e644378a5358dda3558/ext/standard/file.c#L836-L839 introduced in commit : https://github.com/php/php-src/commit/4ca3df56d356ed8c3b55695ed588783e3f91378c Test script: --------------- var_dump(tempnam('/tmp', 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbcdefghijklm')); string(74) "/tmp/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabbbbbbbbbbbbFkS7ld" Expected result: ---------------- It should be documented, also maybe either do not truncate or warn if there is a truncation. Actual result: -------------- Silent truncation. ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=79071&edit=1