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<?php $data = array(a => 'foo bar baz'); $data = array_map(function($value) { return str_replace('bar', 'xxx', $value); }, $data); print_r($data);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught Error: Undefined constant "a" in /in/9lGIC:2 Stack trace: #0 {main} thrown in /in/9lGIC on line 2
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught Error: Undefined constant "a" in /in/9lGIC:2 Stack trace: #0 {main} thrown in /in/9lGIC on line 2
Process exited with code 255.
Output for 7.2.6 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
Warning: Use of undefined constant a - assumed 'a' (this will throw an Error in a future version of PHP) in /in/9lGIC on line 2 Array ( [a] => foo xxx baz )
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20
Notice: Use of undefined constant a - assumed 'a' in /in/9lGIC on line 2 Array ( [a] => foo xxx baz )

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