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run code in 500+ PHP versions simultaneously
<?php // These two are roughly equivalent var_dump(http_build_query([ 'scope' => 'tweet.read users.read offline.access', ])); var_dump('scope=' . urlencode('tweet.read users.read offline.access')); // These two are roughly equivalent var_dump(http_build_query([ 'scope' => urlencode('tweet.read users.read offline.access'), ])); var_dump('scope=' . urlencode(urlencode('tweet.read users.read offline.access')));
Output for 8.1.1 - 8.1.34, 8.2.0 - 8.2.34, 8.3.0 - 8.3.4, 8.3.6 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11
string(42) "scope=tweet.read+users.read+offline.access" string(42) "scope=tweet.read+users.read+offline.access" string(46) "scope=tweet.read%2Busers.read%2Boffline.access" string(46) "scope=tweet.read%2Busers.read%2Boffline.access"
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 string(42) "scope=tweet.read+users.read+offline.access" string(42) "scope=tweet.read+users.read+offline.access" string(46) "scope=tweet.read%2Busers.read%2Boffline.access" string(46) "scope=tweet.read%2Busers.read%2Boffline.access"

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31.52 ms | 1144 KiB | 10 Q