함수 substr until()

substr_until

1 Bash[ | ]

Bash

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haystack='hello world'
needle='ll'
echo ${haystack%%$needle*}$needle
# hell
needle='l'
echo ${haystack%%$needle*}$needle
# hel
needle='x'
echo ${haystack%%$needle*}$needle
# hello worldx

2 PHP[ | ]

PHP

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function substr_until($needle, $haystack) { return ($pos=strpos($haystack,$needle))? substr($haystack,0,$pos).$needle : false; }

echo substr_until('ll', 'hello world');
echo substr_until('l', 'hello world');
echo substr_until('x', 'hello world'); // bool(false)
# hell
# hel
#

3 같이 보기[ | ]