3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace www; class Base { public function ec() { echo "1111";} } class A extends namespace\Base {} namespace ttt; class Base { public function ec() { echo "222";} } use \www\A as ttt\A; class B extends A {} $a = new \ttt\B(); $a->ec();
Output for 5.4.18
Parse error: syntax error, unexpected '\' (T_NS_SEPARATOR), expecting ',' or ';' in /in/DGhcN on line 12
Process exited with code 255.
Output for 5.4.0 - 5.4.17
Parse error: syntax error, unexpected '\' (T_NS_SEPARATOR), expecting ',' or ';' in /in/K7br2 on line 12
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_NS_SEPARATOR, expecting ',' or ';' in /in/K7br2 on line 12
Process exited with code 255.
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