3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = 'hello world!'; $foo = ucfirst($foo); // Hello world! $bar = 'HELLO WORLD!'; $bar = ucfirst($bar); // HELLO WORLD! $bar = ucfirst(strtolower($bar)); // Hello world! echo $foo; echo $bar;
Output for git.master, git.master_jit, rfc.property-hooks
Hello world!Hello world!

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