3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $_rows = array(); $_sub_categories = array(); for($i = 1; $i <= 28; $i++) { if(in_array($i, array(1,2))) { $_rows['row1'][] = 'Category '.$i; } if(in_array($i, array(3,4,5))) { $_rows['row2'][] = 'Category '.$i; } if(in_array($i, array(6,7,8))) { $_rows['row3'][] = 'Category '.$i; } if(in_array($i, array(9,10,11))) { $_rows['row4'][] = 'Category '.$i; } if(in_array($i, array(12,13))) { $_rows['row5'][] = 'Category '.$i; } if(in_array($i, array(14,15,16))) { $_rows['row6'][] = 'Category '.$i; } if(in_array($i, array(17,18,19))) { $_rows['row7'][] = 'Category '.$i; } if(in_array($i, array(20,21,22))) { $_rows['row8'][] = 'Category '.$i; } if(in_array($i, array(23,24,25))) { $_rows['row9'][] = 'Category '.$i; } if(in_array($i, array(26,27,28))) { $_rows['row10'][] = 'Category '.$i; } } foreach($_rows as $key => $val) { if(in_array($key, array('row1'))) { $_sub_categories[1][] = $val; } if(in_array($key, array('row2','row3','row4'))) { $_sub_categories[2][] = $val; } if(in_array($key, array('row5'))) { $_sub_categories[3][] = $val; } if(in_array($key, array('row6','row7','row8','row9','row10'))) { $_sub_categories[4][] = $val; } } print_r($_sub_categories); foreach($_sub_categories as $_subcat):?> <ul> <?php $j = 0; ?> <?php foreach($_subcat as $_sub_category): $j++; ?> <li <?php if($j==1) { echo 'class="first"'; } ?>><?php echo $_sub_category; ?></li> <?php endforeach; ?> </ul> <?php endforeach; ?>
Output for 5.4.0 - 5.6.21, hhvm-3.12.0, 7.0.0 - 7.1.0
Array ( [1] => Array ( [0] => Array ( [0] => Category 1 [1] => Category 2 ) ) [2] => Array ( [0] => Array ( [0] => Category 3 [1] => Category 4 [2] => Category 5 ) [1] => Array ( [0] => Category 6 [1] => Category 7 [2] => Category 8 ) [2] => Array ( [0] => Category 9 [1] => Category 10 [2] => Category 11 ) ) [3] => Array ( [0] => Array ( [0] => Category 12 [1] => Category 13 ) ) [4] => Array ( [0] => Array ( [0] => Category 14 [1] => Category 15 [2] => Category 16 ) [1] => Array ( [0] => Category 17 [1] => Category 18 [2] => Category 19 ) [2] => Array ( [0] => Category 20 [1] => Category 21 [2] => Category 22 ) [3] => Array ( [0] => Category 23 [1] => Category 24 [2] => Category 25 ) [4] => Array ( [0] => Category 26 [1] => Category 27 [2] => Category 28 ) ) ) <ul> <li class="first"> Notice: Array to string conversion in /in/NXUMo on line 77 Array</li> </ul> <ul> <li class="first"> Notice: Array to string conversion in /in/NXUMo on line 77 Array</li> <li > Notice: Array to string conversion in /in/NXUMo on line 77 Array</li> <li > Notice: Array to string conversion in /in/NXUMo on line 77 Array</li> </ul> <ul> <li class="first"> Notice: Array to string conversion in /in/NXUMo on line 77 Array</li> </ul> <ul> <li class="first"> Notice: Array to string conversion in /in/NXUMo on line 77 Array</li> <li > Notice: Array to string conversion in /in/NXUMo on line 77 Array</li> <li > Notice: Array to string conversion in /in/NXUMo on line 77 Array</li> <li > Notice: Array to string conversion in /in/NXUMo on line 77 Array</li> <li > Notice: Array to string conversion in /in/NXUMo on line 77 Array</li> </ul>
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.0 - 5.3.29
Array ( [1] => Array ( [0] => Array ( [0] => Category 1 [1] => Category 2 ) ) [2] => Array ( [0] => Array ( [0] => Category 3 [1] => Category 4 [2] => Category 5 ) [1] => Array ( [0] => Category 6 [1] => Category 7 [2] => Category 8 ) [2] => Array ( [0] => Category 9 [1] => Category 10 [2] => Category 11 ) ) [3] => Array ( [0] => Array ( [0] => Category 12 [1] => Category 13 ) ) [4] => Array ( [0] => Array ( [0] => Category 14 [1] => Category 15 [2] => Category 16 ) [1] => Array ( [0] => Category 17 [1] => Category 18 [2] => Category 19 ) [2] => Array ( [0] => Category 20 [1] => Category 21 [2] => Category 22 ) [3] => Array ( [0] => Category 23 [1] => Category 24 [2] => Category 25 ) [4] => Array ( [0] => Category 26 [1] => Category 27 [2] => Category 28 ) ) ) <ul> <li class="first">Array</li> </ul> <ul> <li class="first">Array</li> <li >Array</li> <li >Array</li> </ul> <ul> <li class="first">Array</li> </ul> <ul> <li class="first">Array</li> <li >Array</li> <li >Array</li> <li >Array</li> <li >Array</li> </ul>