3v4l.org

run code in 500+ PHP versions simultaneously
<?php enum e : string { case A = 'a'; } print http_build_query(['a' => 'A', 'b' => e::A]); // PHP 8.4 and more recent : a=A&b=a // Pre PHP 8.4 : a=A&b%5Bname%5D=A&b%5Bvalue%5D=a a=A&b[name]=A&b[value]='a'
Output for 8.4.5 - 8.4.21, 8.5.0 - 8.5.6
a=A&b=a
Output for 8.1.34, 8.2.28 - 8.2.30, 8.3.5 - 8.3.30
a=A&b%5Bname%5D=A&b%5Bvalue%5D=a
preferences:
55.96 ms | 644 KiB | 4 Q