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run code in 300+ PHP versions simultaneously
<?php $all_servers = ['de' => 'de.example.org', 'fr' => 'fr.example.org', 'it' => 'it.example.org', 'no' => 'no.example.org']; $exclude = ['it', 'fr']; $filtered = array_diff_assoc($all_servers, array_flip($exclude)); var_dump($filtered);
Output for git.master, git.master_jit, rfc.property-hooks
array(4) { ["de"]=> string(14) "de.example.org" ["fr"]=> string(14) "fr.example.org" ["it"]=> string(14) "it.example.org" ["no"]=> string(14) "no.example.org" }

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