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run code in 300+ PHP versions simultaneously
<?php var_dump(urldecode('http%3A%2F%2Fwww.google.com')); var_dump(urldecode('http%253A%252F%252Fwww.google.com'));
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.32, 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 - 8.3.6
string(21) "http://www.google.com" string(27) "http%3A%2F%2Fwww.google.com"

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223.09 ms | 404 KiB | 293 Q