함수 substrBefore()

substr_before

1 Bash

str='hello world'
echo ${str%%ll*}
# he
echo ${str%%l*}
# he
echo ${str%%x*}
# hello world

2 PHP

echo strstr('hello world', 'll', true);
echo strstr('hello world', 'l', true);
echo strstr('hello world', 'x', true); // bool(false)
# he
# he
#

function substr_before($needle, $haystack) { return strstr($haystack, $needle, true); }

echo substr_before('ll', 'hello world');
echo substr_before('l', 'hello world');
echo substr_before('x', 'hello world'); // bool(false)
# he
# he
#

3 같이 보기

• 함수 substr_after
• 함수 substr_from
• 함수 substr_until
• 함수 substr
• PHP 함수 substr after, before, from, until