3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo "Numeric strings will be converted into an integer\n"; var_dump(array( 1 => 1, '1' => '1', 's1' => 's1', )); echo "Bolean TRUE will be converted into the integer 1:\n"; echo "Bolean FALSE will be converted into an ampty string:\n"; var_dump(array( true => true, false => false, ));
Output for 4.3.2 - 5.6.30, hhvm-3.10.1 - 3.17.3, 7.0.0 - 7.2.0
Numeric strings will be converted into an integer array(2) { [1]=> string(1) "1" ["s1"]=> string(2) "s1" } Bolean TRUE will be converted into the integer 1: Bolean FALSE will be converted into an ampty string: array(2) { [1]=> bool(true) [0]=> bool(false) }
Output for 4.3.0 - 4.3.1
Numeric strings will be converted into an integer array(2) { [1]=> string(1) "1" ["s1"]=> string(2) "s1" } Bolean TRUE will be converted into the integer 1: Bolean FALSE will be converted into an ampty string: array(0) { }