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run code in 300+ PHP versions simultaneously
<?php $versions = ['7', '7.2', '8','8.2', '8.2.3', '8.3', '8.2.3.8.alpha']; while ($version1 = array_pop($versions)) { foreach ($versions as $version2) { echo $version1.' '.(version_compare($version1,$version2) < 0 ? '<' : '>=').' '.$version2."\n"; } }
Output for git.master_jit, git.master, rfc.property-hooks
8.2.3.8.alpha >= 7 8.2.3.8.alpha >= 7.2 8.2.3.8.alpha >= 8 8.2.3.8.alpha >= 8.2 8.2.3.8.alpha >= 8.2.3 8.2.3.8.alpha < 8.3 8.3 >= 7 8.3 >= 7.2 8.3 >= 8 8.3 >= 8.2 8.3 >= 8.2.3 8.2.3 >= 7 8.2.3 >= 7.2 8.2.3 >= 8 8.2.3 >= 8.2 8.2 >= 7 8.2 >= 7.2 8.2 >= 8 8 >= 7 8 >= 7.2 7.2 >= 7

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