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run code in 300+ PHP versions simultaneously
<?php echo 'This is a test'; $compressed = gzcompress('This is a test'); echo '<br>'; for ($i=0; $i<strlen($compressed); $i++) { echo '['.$i.'] = '.ord($compressed[$i]).'<br>'; } ?>
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, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 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
This is a test<br>[0] = 120<br>[1] = 156<br>[2] = 11<br>[3] = 201<br>[4] = 200<br>[5] = 44<br>[6] = 86<br>[7] = 0<br>[8] = 162<br>[9] = 68<br>[10] = 133<br>[11] = 146<br>[12] = 212<br>[13] = 226<br>[14] = 18<br>[15] = 0<br>[16] = 36<br>[17] = 115<br>[18] = 4<br>[19] = 246<br>

preferences:
218.32 ms | 406 KiB | 316 Q