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run code in 300+ PHP versions simultaneously
<?php //$arr = array(1,2,3,4,5,6,7,8,9,0); $arr = array(1,2,3,4,5,6,7,8); $i = 1; $s = ''; while ($i != count($arr) - 1) { $a .= "<a href='#'>{$arr[$i]}</a>\n"; $s .= !($i%4) ? "<li>$a</li>\n" : ''; $i++; } $s .= ($i%4) ? "</li>\n" : ''; echo $s;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $a in /in/Jlj6I on line 9 <li><a href='#'>2</a> <a href='#'>3</a> <a href='#'>4</a> <a href='#'>5</a> </li> </li>
Output for 5.0.4 - 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 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined variable: a in /in/Jlj6I on line 9 <li><a href='#'>2</a> <a href='#'>3</a> <a href='#'>4</a> <a href='#'>5</a> </li> </li>
Output for 7.3.32 - 7.3.33, 7.4.26
<li><a href='#'>2</a> <a href='#'>3</a> <a href='#'>4</a> <a href='#'>5</a> </li> </li>
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
Notice: Undefined variable: a in /in/Jlj6I on line 9 <li><a href='#'>2</a> <a href='#'>3</a> <a href='#'>4</a> <a href='#'>5</a> </li> </li>
preferences:
295.43 ms | 402 KiB | 348 Q