3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "Original Code\n"; $count = 3; if ($count ?? 1 > 2) { echo "Yes!!\n"; } else { echo "No!!!!\n"; } if ($count ?? null === null) { echo "Noooo!!!\n"; } else { echo "Yes!!\n"; } if ($count ?? null >= 3) { echo "Yes!!\n"; } else { echo "No!!!!\n"; } if ($count ?? null == null) { echo "Noooo!!!\n"; } else { echo "Yes!!\n"; } $count = false; if ($count ?? true === true) { echo "Noooo!!!!\n"; } else { echo "Yes!!\n"; } $count = 3; if ($count ?? true === true) { echo "Noooo!!!!\n"; } else { echo "Yes!!\n"; } if ($count ?? true === true) { echo "Noooo!!!!\n"; } else { echo "Yes!!\n"; } echo "\nCorrect code\n"; $count = 3; if (($count ?? 1) > 2) { echo "Yes!!\n"; } else { echo "No!!!!\n"; } if (($count ?? null) === null) { echo "Noooo!!!\n"; } else { echo "Yes!!\n"; } if (($count ?? null) >= 3) { echo "Yes!!\n"; } else { echo "No!!!!\n"; } if (($count ?? null) == null) { echo "Noooo!!!\n"; } else { echo "Yes!!\n"; } $count = false; if (($count ?? true) === true) { echo "Noooo!!!!\n"; } else { echo "Yes!!\n"; } $count = 3; if (($count ?? true) === true) { echo "Noooo!!!!\n"; } else { echo "Yes!!\n"; } if (($count ?? true) === true) { echo "Noooo!!!!\n"; } else { echo "Yes!!\n"; }
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Original Code Yes!! Noooo!!! Yes!! Noooo!!! Yes!! Noooo!!!! Noooo!!!! Correct code Yes!! Yes!! Yes!! Yes!! Yes!! Yes!! Yes!!

preferences:
79.83 ms | 1028 KiB | 4 Q