3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php if( true OR false ) echo "1st true\n"; // OK if( false OR true ) echo "2nd true\n"; // OK $bar = true; $foo = false; $wat = $bar OR $foo; echo $wat ."\n"; // OK: 1 if( $wat ) echo "wat = T|F\n"; $wat = $foo OR $bar; echo $wat ."\n"; // WAT? doesn't print? if( false OR $bar ) echo "F | bar\n"; // OK if( $foo OR $bar ) echo "foo | bar\n"; // OK if( $wat ) echo "wat = F|T\n"; // WAT? doesn't print?
based on Ucf0W
Output for 4.3.0 - 5.0.5, 5.1.1 - 7.2.0
1st true 2nd true 1 wat = T|F F | bar foo | bar
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/hRA3H on line 16
Process exited with code 255.