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FUNKCJE PHP
FUNKCJE PHP
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Dupajasia69
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Question
Answer
wartość bezwzględna
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abs()
zaokrągla liczbę
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round(liczba, 2)
zaokrągla ułamki w górę
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ceil()
zaokrągla ułamki w dół
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floor()
przeciwprostokątna
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hypot(a, b)
logarytm naturalny
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log()
liczba pi
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pi()
potęga
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pow(podst, wyklad)
pierwiastek kwadratowy
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sqrt()
wartość maksymalna
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max()
wartość minimalna
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min()
stopnie na radiany
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deg2rad()
radiany na stopnie
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rad2deg()
czy zmienna jest pusta
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empty()
typ zmiennej
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gettype()
czy zmienna jest ustawiona na NULL
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is_null()
zmienna jest liczbą czy stringiem
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is_numeric()
czy nie jest NULL
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isset()
ustawia typ zmiennej
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settype($zm, "integer")
usuwa zmienną
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unset(zmienna)
sinus kąta
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sin()
cosinus kąta
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cos()
tangens kąta
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tan()
losuje od 5 do 15 (1)
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rand(5, 15) lub
losuje od 5 do 15
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mt_rand(5, 15)
binarny na dziesiętny
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bindec()
dziesiętny na binarny
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decbin()
dziesiętny na szestnastkowy
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dechex()
szestnastkowy na dziesiętny
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hexdec()
dziesiętny na ósemkowy
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decoct()
ósemkowy na dzisiętny
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octdec()
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