
Najpopularniejsze funkcje wbudowane w PHP

Quiz
•
Other
•
12th Grade
•
Hard
Marcin Gerwatowski
FREE Resource
42 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaką funkcję w PHP używamy do formatowania ciągu znaków według określonego formatu?
a) `printf()`
b) `sprintf()`
c) `str_format()`
d) `string_format()`
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Która funkcja w PHP używana jest do otwierania pliku?
a) `open_file()`
b) `fopen()`
c) `file_open()`
d) `open()`
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Która funkcja w PHP zwraca długość ciągu znaków?
a) `strlen()`
b) `count()`
c) `substr()`
d) `strpos()`
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaką funkcję w PHP używamy do zamiany znaków w ciągu znaków?
a) `str_swap()`
b) `str_replace()`
c) `replace()`
d) `swap()`
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Która funkcja w PHP zwraca elementy tablicy w odwrotnej kolejności?
a) `array_reverse()`
b) `reverse_array()`
c) `flip_array()`
d) `array_flip()`
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Która funkcja w PHP sprawdza, czy plik istnieje?
a) `file_exists()`
b) `is_file()`
c) `file_check()`
d) `is_readable()`
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Która funkcja w PHP służy do sprawdzania, czy wartość zmiennej jest liczbą całkowitą?
a) `is_numeric()`
b) `is_integer()`
c) `is_int()`
d) `is_number()`
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