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<?php function test(...$set) { if (count($set) === 0) { throw new \ArgumentCountError('can throw'); } var_dump(count($set)); } try { test(1); test(1, 2); test(); } catch (\ArgumentCountError $e) { echo $e; }
Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 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
int(1) int(2) ArgumentCountError: can throw in /in/LDCNF:5 Stack trace: #0 /in/LDCNF(13): test() #1 {main}
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 int(1) int(2) ArgumentCountError: can throw in /in/LDCNF:5 Stack trace: #0 /in/LDCNF(13): test() #1 {main}
Output for 7.0.0 - 7.0.33
int(1) int(2) Fatal error: Uncaught Error: Class 'ArgumentCountError' not found in /in/LDCNF:5 Stack trace: #0 /in/LDCNF(13): test() #1 {main} thrown in /in/LDCNF on line 5
Process exited with code 255.
Output for 5.6.38
int(1) int(2) Fatal error: Class 'ArgumentCountError' not found in /in/LDCNF on line 5
Process exited with code 255.

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