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@ 2016-12-07T14:24:12Z

<?php

var_dump(
    iconv_substr('20', 2, 1),
    substr('20', 2, 1),
    mb_substr('20', 2, 1)
);

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
mb_substr: documentation ( source)

preferences:dark modelive previewkey bindings

21.85 ms | 475 KiB | 4 Q