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<?php function partialLeft($cb) { return function($left) use ($cb) { return function($right) use ($cb, $left) { return $cb($left, $right); }; }; } $a = partialLeft(null); $b = $a("hello"); $c = $b("robert");
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: Value of type null is not callable in /in/1BFMj:6 Stack trace: #0 /in/1BFMj(12): {closure}('robert') #1 {main} thrown in /in/1BFMj on line 6
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: Value of type null is not callable in /in/1BFMj:6 Stack trace: #0 /in/1BFMj(12): {closure}('robert') #1 {main} thrown in /in/1BFMj on line 6
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught Error: Function name must be a string in /in/1BFMj:6 Stack trace: #0 /in/1BFMj(12): {closure}('robert') #1 {main} thrown in /in/1BFMj on line 6
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Fatal error: Function name must be a string in /in/1BFMj on line 6
Process exited with code 255.

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