Req #81583 [Com]: Accessing class constants on objects in string interpolation

Edit report at https://bugs.php.net/bug.php?id=81583&edit=1 ID: 81583 Comment by: bethharmon12 at aol dot com Reported by: php at crmteam dot cytainment dot de Summary: Accessing class constants on objects in string interpolation Status: Open Type: Feature/Change Request Package: *General Issues Operating System: Debian 10 PHP Version: 8.0.12 Block user comment: N Private report: N New Comment: (https://www.psucollegian.com/studentreviews/how-to-renew-passport-online/article_079279bc-01ef-11ed-9921-cb5b6a07263a.html)github.com (https://www.psucollegian.com/studentreviews/pretty-litter-review/article_52fd99fe-01f4-11ed-8663-af0fd7de4d76.html)github.com (https://www.psucollegian.com/studentreviews/spoton-virtual-smart-fence-review/article_b1c7451a-01fa-11ed-b288-736fe38b782e.html)github.com (https://www.psucollegian.com/studentreviews/best-lost-passport-replacement-service/article_08b3455a-02e0-11ed-a606-2b660b871f4d.html)github.com 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This page describes the feature in PHP. It appears that constants are not replaced during string interpolation in PHP, so the only way to get the behavior you want is to use the concatenation that Artefacto suggested. (https://www.skywardalpine.com/)github.com ------------------------------------------------------------------------ [2022-12-06 08:16:55] Aleta3215acias at gmail dot com Because "constants inside quotes are not printed". The correct form is: echo "This is a constant: " . CONSTANT; The dot is the concatenation operator. (https://www.dgcustomerfirst.win/)github.com ------------------------------------------------------------------------ [2021-11-01 13:17:27] nikic@php.net This is not really specific to ::class, applies to $a::XYZ generally. In any case, this is clearly a feature request. ------------------------------------------------------------------------ [2021-11-01 10:03:59] php at crmteam dot cytainment dot de Description: ------------ The introduced feature ::class on objects is throwing a syntax error when being used in string concatenation using curly braces. Error: PHP Parse error: syntax error, unexpected token "}", expecting "->" or "?->" or "{" or "[" in php shell code on line 1 Test script: --------------- class Test {}; $a = new Test(); echo "Test " . $a::class; echo "Test {$a::class}"; Expected result: ---------------- In my opinion the lines 3 and 4 should output the same result "Test Test" ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=81583&edit=1