Funksiya
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Tavsif
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Matematik funksiyalar
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mixed abs(mixed x)
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x argumentning absolyut qiymati
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int ceil(double x)
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katta x dan kichik son
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int floor(double number)
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Kichik x dan katta son
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double round(double x)
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Yaxlitlash
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string decbin(int dec)
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O‘nlik sanoq tizimidagi sonni ikkilik sanoq tizimiga o‘girish
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string dechex(int dec)
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O‘nlik sanoq tizimidagi sonni o‘n oltilik sanoq tizimiga o‘girish
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string decoct(int dec)
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O‘nlik sanoq tizimidagi sonni sakkizlik sanoq tizimiga o‘girish
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int bindec(string bin)
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Ikkilik sanoq tizimidagi sonni 10 sanoq tizimiga o‘girish
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int hexdec(string hex)
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O‘n oltilik sanoq tizimidagi sonni o‘nlik sanoq tizimiga o‘girish
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int octdec(string oct)
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Sakkizlik sanoq tizimidagi sonni o‘nlik sanoq tizimiga o‘girish
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int rand([int min,
int max])
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Tasodifiy sonni olish
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void srand(int seed)
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Tasodifiy sonlar generatsiyasini o‘rnatish
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int getrandmax()
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“rand”ning qaytaradigan qiymatining eng kattasini olish
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int mt_rand([int min,
int max])
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Tasodifiy sonni olish
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void mt_srand(int seed)
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Tasodifiy sonlar generatsiyasini o‘rnatish
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int mt_getrandmax()
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“mt_rand”ning qaytaradigan qiymatining eng kattasini olish
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double sqrt(double x)
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Kvadrat ildiz
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double exp(double x)
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Eksponenta
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double pow(double x,
double y)
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xy
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double log(double x)
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Natural logorifm
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double log10(double x)
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O‘nlik logorifm
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double pi()
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double cos(double x)
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Kosinus
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double sin(double x)
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Sinus
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double tan(double x)
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Tangens
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double acos(double x)
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Arkkosinus
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double asin(double x)
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Arksinus
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double atan(double x)
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Arktangens
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double atan2(double y,
double x)
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Arktangensy/x
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Satrlarni qayta ishlash
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void print(string str)
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Standart chiqish oqimiga chiqarish
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int printf(string format,
mixed arg, ...)
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Formatlangan chiqarish
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string sprintf(
string format,
mixed arg, ...)
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Satrni formatlashtirish
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string addslashes(
string str)
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Satrning sahifada "$", "\", "‘" va 0 simvollarni ekranlashtirish
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string stripslashes(
string str)
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Ekranlangan simvollarni o‘chirish
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string chr(int ascii)
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Berilgan kodli simvolni topish
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int ord(string ch)
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Simvolning kodi
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string convert_cyr_string(
string str, string from,
string to)
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Kiril yozuvidagi kodirovkadan boshqa kodirovkaga o‘zgartirish
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void parse_str(string str)
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So‘rov qatorini bo‘lish va tegishli o‘zgaruvchini yaratish
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Massivlarni qayta ishlash
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int count(mixed arr)
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Massiv elementlarining soni
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mixed current(array arr)
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Massivning joriy elementi
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mixed pos(array arr)
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current taxallusi
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array each(array arr)
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arr elementi sifatida kalit/ma’lumot ko‘rinishida olish
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mixed key(array arr)
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Joriy massiv kalitini olish
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mixed reset(array arr)
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Massivning ichki ko‘rsatkichini massiv boshiga olib kelish
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mixed prev(array arr)
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Massiv ko‘rsatkichini oldingi elementga qo‘yish
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mixed next(array arr)
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Massiv ko‘rsatkichini keyingi elementga qo‘yish
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mixed end(array arr)
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Massivning ichki ko‘rsatkichini massiv ohiriga olib kelish
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void sort(array arr)
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Massivni saralash
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void rsort(array arr)
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Massivni teskari saralash
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void asort(array arr)
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assotsiativ massivini saralash
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void arsort(array arr)
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assotsiativ massivini teskari saralash
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int ksort(array arr)
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assotsiativ massivini kalitlar bo‘yicha saralash
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Protseslar
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string exec(
string command [,
array output [,
int return_code]]
)
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UNIX qoplamida command komandasini bajarish. Standart chiqishga output qatorlar massiviga, qaytish kodi result_code o‘zgaruvchisiga yoziladi. Ohirgi chiqish oqimidagi qator chiqariladi.
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string system(
string cmd [, int ret])
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Komandani bajarish va natijani qaytarish
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int chdir(string dir)
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Joriy katalogni o‘zgartirish
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void putenv(string str)
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O‘zgaruvchi sohasini o‘zgartirish
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string getenv(string var)
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O‘zgaruvchi sohasining qiymatini olish
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void sleep(int sec)
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Joriy protsessni to‘xtatib turish
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void usleep(int us)
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Joriy protsessni to‘xtatib turish
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int sem_get(int key
[, int max [, int perm]])
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Semofor identifikatorini olish
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int sem_acquire(int sem)
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Semafor qiymatini kamaytirish
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int sem_release(int sem)
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Semafor qiymatini ko‘paytirish
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Fayl va kataloglar
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int copy(string src,
string dest)
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Faylini ko‘chirish
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int rename(string old,
string new)
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Fayl nomini o‘zgartirish
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int unlink(
string filename)
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Faylini o‘chirish
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int readfile(
strinf filename)
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Tekst faylini standar chiqish oqimiga o‘qish
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array file(string filename)
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Test faylini qatorlar massiviga o‘qish
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int filesize(
string filename)
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Faylning o‘lchami
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int file_exists(
string filename)
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TRUE, agar fayl mavjud bo‘lsa
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int fopen(string filename, string mode)
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Faylni ochish
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string fgetc(int fd)
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Fayldagi simvolni o‘qish
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string fgets(int fd,
int maxlen)
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maxlen eng katta uzunlikka ega bo‘lgan qatorni fayldan o‘qib olish
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int fputs(int fd, string str [, int length])
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Satrni faylga yozish
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string fread(int fp,
int len)
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Fayldan binar o‘qish
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int fwrite(int fd,
string str, int len)
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Faylga binar yozish
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int ftell(int fd)
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Ko‘rsatkichning joriy holati
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int fseek(int fd, int offset)
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Faylning joriy ko‘rsatkichini o‘zgartirish
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int rewind(int fd)
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Faylning ko‘rsatkichini fayl boshiga ko‘chirish
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int feof(int fd)
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TRUE, fd diskriptor faylning ohirini ko‘rsatsa
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int fclose(int fd)
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Faylni yopish
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int popen(
string command,
string mode)
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command protsessorini ishqa tushurish va standart oqimning diskriptorini standart kirish yoki chiqish oqimiga qaytarish
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int pclose(int fd)
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Ochiq popen oqimni ochish yoki yopish
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int mkdir(string dir,
int mode)
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Direktoriyani yaratish
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int rmdir(string dir)
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Direktoriyani o‘chirish
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int opendir(string dir)
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Direktoriyani ochish
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string readdir(int fd)
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Katalogdagi keyingi faylning nomini olish
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void rewinddir(int fd)
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Ko‘rsatkichni katalogdagi birinchi faylga ko‘chirish
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void closedir(int fd)
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Direktoriyani yopish
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void clearstatcache()
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Fayl keshini tozalash
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flush()
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Standart chiqish buferini tozalash
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int fsockopen(string host, int port)
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Soketni ochish
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Sana va vaqt
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int time()
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UNIX formatida joriy vaqtni olish
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string date(string format, int timestamp)
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Ko‘rsatilgan holatda lokal vaqtni, sanani qator ko‘rinishida olish
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string gmdate(
string format,
int timestamp)
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GMT formatidagi vaqtni UNIX formatiga o‘zgartirish
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array getdate(
int timestamp)
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Sana va kunni assotsiativ massivga o‘girish
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int mktime(int hour,
int minute, int second,
int month, int day,
int year)
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Sana va vaqt UNIX formatida
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int gmmktime(int hour,
int minute, int second,
int month, int day,
int year)
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GMT sana va vaqti UNIX formatida
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TCP/IP, HTTP, CGI, PHP
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string gethostbyname(
string host)
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Xostning IP-manzilini olish
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string gethostbyaddr(
string addr)
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IP-adres yordami bilan xost nomini olish
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int header(string hdr)
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HTTP sarlavhasini jo‘natish
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string htmlspecialchars(string str)
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Maxsus HTML simvollarni str qatorlariga escape-ketmaketliglarida o‘zgartirish
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int isset()
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TRUE, agar o‘zgaruvchi aniqlangan bo‘lsa
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void eval(string code)
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“code”ni ichki senariy sifatiida qayta ishlash
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void exit()
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Joriy senariyni tugatish
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int phpinfo()
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PHPning joriy holati haqida ma’lunotni ekranga chiqarish
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string phpversion()
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PHPning joriy versiyasi haqida ma’lunotni ekranga chiqarish
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