3v4l.org

run code in 300+ PHP versions simultaneously
<?php spl_autoload_register(function ($class) { if ('foo' === $class) { eval('class foo implements foointerface {}'); } elseif ('foointerface' === $class) { throw new \Exception('boo'); } }); try { class_exists('foo'); } catch (\Exception $e) { var_dump($e->getMessage()); } $a = new foo(); var_dump($a); var_dump($a instanceof foointerface);
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
string(3) "boo" Fatal error: Uncaught Exception: boo in /in/nYXIQ:7 Stack trace: #0 /in/nYXIQ(5) : eval()'d code(1): {closure}('foointerface') #1 /in/nYXIQ(5): eval() #2 /in/nYXIQ(17): {closure}('foo') #3 {main} thrown in /in/nYXIQ 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 string(3) "boo" Fatal error: Uncaught Exception: boo in /in/nYXIQ:7 Stack trace: #0 /in/nYXIQ(5) : eval()'d code(1): {closure}('foointerface') #1 /in/nYXIQ(5): eval() #2 /in/nYXIQ(17): {closure}('foo') #3 {main} thrown in /in/nYXIQ on line 7
Process exited with code 255.
Output for 7.4.0 - 7.4.33
string(3) "boo" Fatal error: Uncaught Exception: boo in /in/nYXIQ:7 Stack trace: #0 [internal function]: {closure}('foointerface') #1 /in/nYXIQ(5) : eval()'d code(1): spl_autoload_call('foointerface') #2 /in/nYXIQ(5): eval() #3 [internal function]: {closure}('foo') #4 /in/nYXIQ(17): spl_autoload_call('foo') #5 {main} thrown in /in/nYXIQ on line 7
Process exited with code 255.
Output for 5.3.1 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.19, 7.2.21 - 7.2.33, 7.3.0 - 7.3.6, 7.3.8 - 7.3.33
string(3) "boo" object(foo)#3 (0) { } bool(false)
Output for 7.2.20, 7.3.7
Fatal error: During class fetch: Uncaught Exception: boo in /in/nYXIQ:7 Stack trace: #0 [internal function]: {closure}('foointerface') #1 /in/nYXIQ(5) : eval()'d code(1): spl_autoload_call('foointerface') #2 /in/nYXIQ(5): eval() #3 [internal function]: {closure}('foo') #4 [internal function]: spl_autoload_call('foo') #5 /in/nYXIQ(12): class_exists('foo') #6 {main} in /in/nYXIQ(5) : eval()'d code on line 1
Process exited with code 255.
Output for 5.3.0

Process exited with code 139.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/nYXIQ on line 3
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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION, expecting ')' in /in/nYXIQ on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/nYXIQ on line 3
Process exited with code 255.
preferences:
323.25 ms | 401 KiB | 455 Q