[php: translate camel/snake case] キャメルケース/スネークケース変換する的な。 #php
// camel to snake
$before = "fooBar";
$agter = strtolower(preg_replace("/([A-Z])/u", "_$0", $before));
echo $after; //foo_bar
// upper camel to snake
$before = "FooBar";
$after = strtolower(preg_replace("/([A-Z])/u", "_$0", $before));
$after = substr( $after, 1 );
echo $after; //foo_bar
// snake to camel
$before = "foo_bar";
$parts = explode("_", $str);
foreach ($parts as $part) {
if (!isset( $after )) {
$after = $part;
} else {
$after .= ucfirst( $part );
}
}
echo $after; //fooBar;