3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo implements Iterator { private $bar = ['baz', 'tab']; public mixed current (){} public scalar key (){} public void next (){} public void rewind (){} public boolean valid (){} } var_dump((array) new Foo());
Output for 5.4.0 - 5.4.26
Parse error: syntax error, unexpected 'mixed' (T_STRING), expecting variable (T_VARIABLE) in /in/CFbnn on line 7
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.28
Parse error: syntax error, unexpected '[' in /in/CFbnn on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/CFbnn 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/CFbnn 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
Parse error: parse error, unexpected T_STRING, expecting '{' in /in/CFbnn on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'{'' in /in/CFbnn on line 3
Process exited with code 255.

preferences:
284.32 ms | 1399 KiB | 116 Q