PHP snake_case()

1 개요

PHP snake_case()

<?php
function snake_case($value) {
    if (ctype_lower($value)) return $value;
    $value = preg_replace('/[\s]+/u', '', ucwords(str_replace('-','_',$value)));
    return mb_strtolower(preg_replace('/(.)(?=[A-Z])/u', '$1_', $value), 'UTF-8');
}
$samples = ['foo_bar', 'Foo Bar', 'FooBar', 'fooBar', 'foo bar', 'foo-bar', 'Foobar', 'FOOBAR'];
foreach( $samples as $sample ) {
	echo $sample." → ".snake_case($sample) . PHP_EOL;
}
# foo_bar → foo_bar
# Foo Bar → foo_bar
# FooBar → foo_bar
# fooBar → foo_bar
# foo bar → foo_bar
# foo-bar → foo_bar
# Foobar → foobar
# FOOBAR → f_o_o_b_a_r

2 같이 보기

• 라라벨 snake_case()
• PHP kebab_case()
• 함수 snake_case()
• 스네이크 케이스

3 참고

• https://github.com/laravel/framework/blob/master/src/Illuminate/Support/Str.php#L563
• https://github.com/rappasoft/laravel-helpers/blob/master/src/helpers.php#L630