3v4l.org

run code in 500+ PHP versions simultaneously
<?php $isAdmin = 1; $isAdmin = (bool)$isAdmin; //1 = true, 0 = false $checked = ($isAdmin) ? 'checked="checked"' : ''; ?> <input type="checkbox" name="isAdmin" value="1" <?php echo $checked; ?> />
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 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
<input type="checkbox" name="isAdmin" value="1" checked="checked" />
preferences:
122.9 ms | 1951 KiB | 4 Q