3v4l.org

run code in 300+ PHP versions simultaneously
<?php function fct_add(float $a, float $b): float { return 'a+b'; # $a + $b; } print fct_add(.1, .2); # float(3)
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught TypeError: fct_add(): Return value must be of type float, string returned in /in/439WW:3 Stack trace: #0 /in/439WW(6): fct_add(0.1, 0.2) #1 {main} thrown in /in/439WW on line 3
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 TypeError: fct_add(): Return value must be of type float, string returned in /in/439WW:3 Stack trace: #0 /in/439WW(6): fct_add(0.1, 0.2) #1 {main} thrown in /in/439WW on line 3
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught TypeError: Return value of fct_add() must be of the type float, string returned in /in/439WW:3 Stack trace: #0 /in/439WW(6): fct_add(0.1, 0.2) #1 {main} thrown in /in/439WW on line 3
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Parse error: syntax error, unexpected ':', expecting '{' in /in/439WW on line 2
Process exited with code 255.

preferences:
171.1 ms | 401 KiB | 182 Q