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<?php function println($s) { echo $s."\n"; } function try_switch($a) { switch ($a) { case 'Case 1': println('In 1'); break; case 0: println('In 0'); break; default: println('In default'); break; } } try_switch(true); // Will go into the case 'Case 1', because 'Case 1' == true try_switch(0); // Will go into the case 'Case 1', because 'Case 1' == 0 try_switch(false); // Will go into case 0, because 0 == false
Output for 4.3.0 - 5.0.5, 5.1.1 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
In 1 In 1 In 0
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/bpgZR on line 24
Process exited with code 255.