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@ 2015-09-07T22:26:37Z

<?php
var_dump(IntlChar::getNumericValue("4"));
var_dump(IntlChar::getNumericValue("x"));
var_dump(IntlChar::getNumericValue("\u{216C}"));

Output
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var_dump: documentation ( source)

preferences:dark modelive preview

34.66 ms | 402 KiB | 5 Q