3v4l.org

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); $i = 0; $s = ''; while ($item = current($arr)) { echo $i."\n"; $s .= !($i%4) ? "<li>\n" : ""; $s .= "<a href='#'>$item</a>\n"; $s .= !($i%4) ? "</li>\n" : ""; $i++; next($arr); } echo $i; $s .= ($i%4) ? "</li>\n" : ''; echo $s;
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 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 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
0 1 2 3 4 5 6 7<li> <a href='#'>1</a> </li> <a href='#'>2</a> <a href='#'>3</a> <a href='#'>4</a> <li> <a href='#'>5</a> </li> <a href='#'>6</a> <a href='#'>7</a> </li>
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 0 1 2 3 4 5 6 7<li> <a href='#'>1</a> </li> <a href='#'>2</a> <a href='#'>3</a> <a href='#'>4</a> <li> <a href='#'>5</a> </li> <a href='#'>6</a> <a href='#'>7</a> </li>

preferences:
257.23 ms | 402 KiB | 353 Q