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<?php function a(&$p){ $p++; } a($x=18); var_dump($x);
Output for 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
Fatal error: Uncaught Error: a(): Argument #1 ($p) could not be passed by reference in /in/Pklt2:7 Stack trace: #0 {main} thrown in /in/Pklt2 on line 7
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: a(): Argument #1 ($p) could not be passed by reference in /in/Pklt2:7 Stack trace: #0 {main} thrown in /in/Pklt2 on line 7
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Fatal error: Uncaught Error: a(): Argument #1 ($p) cannot be passed by reference in /in/Pklt2:7 Stack trace: #0 {main} thrown in /in/Pklt2 on line 7
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.31, 7.3.33, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Only variables should be passed by reference in /in/Pklt2 on line 7 int(18)
Output for 7.3.32, 7.4.26
int(18)
Output for 5.1.2 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Strict Standards: Only variables should be passed by reference in /in/Pklt2 on line 7 int(18)
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.1
int(19)

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