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run code in 300+ PHP versions simultaneously
<?php $x = rawurlencode('a b c'); var_dump(rawurldecode($x), urldecode($x));
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
string(5) "a b c" string(5) "a b c"

preferences:
173.65 ms | 404 KiB | 189 Q