3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); $var = 1; //integer function foo(string $data) :string { echo $data; } foo($var);
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 TypeError: foo(): Argument #1 ($data) must be of type string, int given, called in /in/Be68h on line 8 and defined in /in/Be68h:5 Stack trace: #0 /in/Be68h(8): foo(1) #1 {main} thrown in /in/Be68h on line 5
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught TypeError: foo(): Argument #1 ($data) must be of type string, int given, called in /in/Be68h on line 8 and defined in /in/Be68h:5 Stack trace: #0 /in/Be68h(8): foo(1) #1 {main} thrown in /in/Be68h on line 5
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught TypeError: Argument 1 passed to foo() must be of the type string, int given, called in /in/Be68h on line 8 and defined in /in/Be68h:5 Stack trace: #0 /in/Be68h(8): foo(1) #1 {main} thrown in /in/Be68h on line 5
Process exited with code 255.
Output for 7.0.0 - 7.0.32, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33
Fatal error: Uncaught TypeError: Argument 1 passed to foo() must be of the type string, integer given, called in /in/Be68h on line 8 and defined in /in/Be68h:5 Stack trace: #0 /in/Be68h(8): foo(1) #1 {main} thrown in /in/Be68h on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38
Warning: Unsupported declare 'strict_types' in /in/Be68h on line 2 Parse error: syntax error, unexpected ':', expecting '{' in /in/Be68h on line 5
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected ':', expecting '{' in /in/Be68h on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected ':', expecting '{' in /in/Be68h on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting ')' in /in/Be68h on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting ')' in /in/Be68h on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/Be68h on line 5
Process exited with code 255.

preferences:
354.26 ms | 401 KiB | 452 Q