3v4l.org

run code in 300+ PHP versions simultaneously
<?php trait first_trait { function first_function() { echo "From First Trait\n"; } } trait second_trait { use first_trait { first_trait::first_function as second_function; first_trait::second_function insteadof first_function; } function first_function() { echo "From Second Trait\n"; } } class first_class { use second_trait; } $obj = new first_class(); // Output: From Second Trait $obj->first_function(); // Output: From First Trait $obj->second_function();
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: A precedence rule was defined for first_trait::second_function but this method does not exist in /in/X1LaZ on line 10
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Fatal error: A precedence rule was defined for first_trait::second_function but this method does not exist in /in/X1LaZ on line 21
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/X1LaZ on line 2
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_STRING in /in/X1LaZ on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/X1LaZ on line 2
Process exited with code 255.

preferences:
339.85 ms | 401 KiB | 456 Q