- Output for 7.1.25 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- u_sa_dollar_symbol
<?php
$camelCase = "USADollarSymbol";
echo strtolower(
preg_replace(
["/([A-Z]+)/", "/_([A-Z]+)([A-Z][a-z])/"],
["_$1", "_$1_$2"],
lcfirst($camelCase)
)
);