3v4l.org

run code in 300+ PHP versions simultaneously
<?php if( true OR false ) echo "1st true\n"; // OK if( false OR true ) echo "2nd true\n"; // OK $foo = true; $bar = false; $wat = $foo OR $bar; echo $wat ."\n"; // OK: 1 if( $wat ) echo "T | F\n"; $wat = $bar OR $foo; echo $wat ."\n"; // WAT? doesn't print? if( $wat ) echo "F | T\n"; // WAT? doesn't print? if( false OR $foo ) echo "bar=T\n";
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
1st true 2nd true 1 T | F bar=T
preferences:
214.7 ms | 406 KiB | 352 Q