3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo '<table>'; for ($i=0;$i<8;$i++) { echo '<tr>'; if($i==0 || $i==7) { for($j=0;$j<8;$j++) { ?> <td style="background: grey; height:10px; width:10px"></td> <?php } } else { for($j=0;$j<8;$j++) { if ($j==0 || $j==7) { ?> <td style="background: grey; height:10px; width:10px"></td> <?php } else { ?> <td style="background: white; height:10px; width:10px"></td> <?php } } } echo '</tr>'; } echo '</table>'; echo $i; echo $j ?>
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 - 5.6.40, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
<table><tr> <td style="background: grey; height:10px; width:10px"></td> <td style="background: grey; height:10px; width:10px"></td> <td style="background: grey; height:10px; width:10px"></td> <td style="background: grey; height:10px; width:10px"></td> <td style="background: grey; height:10px; width:10px"></td> <td style="background: grey; height:10px; width:10px"></td> <td style="background: grey; height:10px; width:10px"></td> <td style="background: grey; height:10px; width:10px"></td> </tr><tr> <td style="background: grey; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: grey; height:10px; width:10px"></td> </tr><tr> <td style="background: grey; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: grey; height:10px; width:10px"></td> </tr><tr> <td style="background: grey; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: grey; height:10px; width:10px"></td> </tr><tr> <td style="background: grey; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: grey; height:10px; width:10px"></td> </tr><tr> <td style="background: grey; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: grey; height:10px; width:10px"></td> </tr><tr> <td style="background: grey; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: white; height:10px; width:10px"></td> <td style="background: grey; height:10px; width:10px"></td> </tr><tr> <td style="background: grey; height:10px; width:10px"></td> <td style="background: grey; height:10px; width:10px"></td> <td style="background: grey; height:10px; width:10px"></td> <td style="background: grey; height:10px; width:10px"></td> <td style="background: grey; height:10px; width:10px"></td> <td style="background: grey; height:10px; width:10px"></td> <td style="background: grey; height:10px; width:10px"></td> <td style="background: grey; height:10px; width:10px"></td> </tr></table>88

preferences:
315.06 ms | 421 KiB | 459 Q