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run code in 300+ PHP versions simultaneously
<?php ini_set( 'default_charset', 'UTF-8' ); mb_internal_encoding("ISO-8859-1"); var_dump(preg_replace( '/\s/', '', "\xc2\xa0" )); echo shell_exec("locale -a");
Output for git.master, git.master_jit, rfc.property-hooks
string(2) " " Warning: shell_exec(): Unable to execute 'locale -a' in /in/kUTUF on line 7

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