What do haystack and needles in php mean?

Question

What do haystack and needsles in php mean?

Baidu checked the translation of these two words, but I don’t understand why PHP has these English names?

Answer 1

haystack的意思是草垛
needlemeans needle
In fact, I found that these two words basically appear in functions related to search.
I think it should be a metaphor for finding a needle in a haystack (you have to find despair). Show that this function is awesome = =

Answer 2

needle in a haystack / Looking for a needle in a haystack is an English proverb, which is equivalent to "finding a needle in a haystack" in Chinese

Answer 3

Thanks for the invitation!

eg: strpos($haystack, $needle);

$haystack (haystack) is the search character sequence, $needle (needle) is the content to be searched in $haystack. So it can be interpreted as Find a needle in haystack,就是楼上说的大海捞针, difficult to find.