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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]).'\n'; } ?>
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 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 - 8.3.7
This is a test<br>[0] = 120\n[1] = 156\n[2] = 11\n[3] = 201\n[4] = 200\n[5] = 44\n[6] = 86\n[7] = 0\n[8] = 162\n[9] = 68\n[10] = 133\n[11] = 146\n[12] = 212\n[13] = 226\n[14] = 18\n[15] = 0\n[16] = 36\n[17] = 115\n[18] = 4\n[19] = 246\n

preferences:
136.86 ms | 404 KiB | 189 Q