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<?php function test(callable $test) { var_dump($test); } test(function () {}); test('rand'); test(create_function('', '')); test([new SplFixedArray, 'count']);
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
object(Closure)#1 (0) { } string(4) "rand" Fatal error: Uncaught Error: Call to undefined function create_function() in /in/nekRR:9 Stack trace: #0 {main} thrown in /in/nekRR on line 9
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 object(Closure)#1 (0) { } string(4) "rand" Fatal error: Uncaught Error: Call to undefined function create_function() in /in/nekRR:9 Stack trace: #0 {main} thrown in /in/nekRR on line 9
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
object(Closure)#1 (0) { } string(4) "rand" Deprecated: Function create_function() is deprecated in /in/nekRR on line 9 string(9) "lambda_1" array(2) { [0]=> object(SplFixedArray)#1 (0) { } [1]=> string(5) "count" }
Output for 5.4.1 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.3.32 - 7.3.33
object(Closure)#1 (0) { } string(4) "rand" string(9) "lambda_1" array(2) { [0]=> object(SplFixedArray)#1 (0) { } [1]=> string(5) "count" }

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