3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(unserialize('s:148:"a3UvWStwVAbW9O4CVLwPZLC7ZptcR5MBmXDo9KerDfkyiQREaAj_Lyou8Cag1PtsjO4Zq_dYOjQt2wE75yEYL6xlNV1wPj80oC2ZulW7kUSal8otM9JoSx23xWIJnTg5LhTUB_Rq7tHtI_JNUKQ."'));

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55.29 ms | 402 KiB | 5 Q