- array_map: documentation ( source)
- implode: documentation ( source)
- preg_split: documentation ( source)
- json_encode: documentation ( source)
<?php
function convert_case($name) {
return implode(
'_',
array_map(
'strtolower',
preg_split('/([A-Z][^A-Z]*)/', $name, null, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY)
)
);
}
echo json_encode(array_map(convert_case, array("FooBar", "FooBAR")), JSON_PRETTY_PRINT);