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In PHP manual given example is
echo substr_compare("abcde", "bcg", 1, 2); // 0
I tested the code and get the same result, but how “bc” and “bcg” can be equal? This should give -1. Am I missing something here?
Read the documentation carefully:
You compare up to 2 characters from position 1 in
main_str("abcde"), which is"bc", with"bcg". But only up to 2 characters.See also about the
lengthparameter:I agree it could be misunderstood, but only up to
lengthcharacters are compared.