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run code in 200+ php & hhvm versions
Bugs & Features
<?php function function_with_a_byref_nonnull_default_parameter(&$a = 123) { echo $a; } function_with_a_byref_nonnull_default_parameter();
Output for 5.0.0 - 7.2.0
123
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected '=', expecting ')' in /in/eQ6e4 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected '=', expecting ')' in /in/eQ6e4 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/eQ6e4 on line 3
Process exited with code 255.