7.2.33, Π² ΠΊΠΎΡΠΎΡΡΡ
ΡΡΡΡΠ°Π½Π΅Π½Ρ Π½Π°ΠΊΠΎΠΏΠΈΠ²ΡΠΈΠ΅ΡΡ ΠΎΡΠΈΠ±ΠΊΠΈ ΠΈ ΡΡΠ·Π²ΠΈΠΌΠΎΡΡΠΈ.
waukulu
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Kuthamanga Wopanga JIT , kugwiritsidwa ntchito komwe kumawonjezera zokolola. -
thandizo ΠΈΠΌΠ΅Π½ΠΎΠ²Π°Π½Π½ΡΡ Π°ΡΠ³ΡΠΌΠ΅Π½ΡΠΎΠ² ΡΡΠ½ΠΊΡΠΈΠΉ, ΠΏΠΎΠ·Π²ΠΎΠ»ΡΡΡΠΈΡ ΠΏΠ΅ΡΠ΅Π΄Π°Π²Π°Π²Π°ΡΡ Π² ΡΡΠ½ΠΊΡΠΈΡ Π·Π½Π°ΡΠ΅Π½ΠΈΡ Π² ΠΏΡΠΈΠ²ΡΠ·ΠΊΠ΅ ΠΊ ΠΈΠΌΠ΅Π½Π°ΠΌ, Ρ.Π΅. ΠΌΠΎΠΆΠ½ΠΎ ΠΏΠ΅ΡΠ΅Π΄Π°Π²Π°ΡΡ Π°ΡΠ³ΡΠΌΠ΅Π½ΡΡ Π² ΠΏΡΠΎΠΈΠ·Π²ΠΎΠ»ΡΠ½ΠΎΠΌ ΠΏΠΎΡΡΠ΄ΠΊΠ΅ ΠΈ ΠΎΠΏΡΠ΅Π΄Π΅Π»ΡΡΡ Π½Π΅ΠΎΠ±ΡΠ·Π°ΡΠ΅Π»ΡΠ½ΡΠ΅ Π°ΡΠ³ΡΠΌΠ΅Π½ΡΡ. ΠΠ°ΠΏΡΠΈΠΌΠ΅Ρ, Β«array_fill(start_index: 0, num: 100, value: 50)Β». - ΠΡΠΈ Π²ΡΠ·ΠΎΠ²Π΅ ΠΌΠ΅ΡΠΎΠ΄ΠΎΠ²
kuloledwa ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ ΠΎΠΏΠ΅ΡΠ°ΡΠΎΡΠ° Β«?Β», ΠΊΠΎΡΠΎΡΡΠΉ ΠΏΠΎΠ·Π²ΠΎΠ»ΡΠ΅Ρ ΠΈΠ½ΠΈΡΠΈΠΈΡΠΎΠ²Π°ΡΡ Π²ΡΠ·ΠΎΠ² ΡΠΎΠ»ΡΠΊΠΎ, Π΅ΡΠ»ΠΈ ΠΌΠ΅ΡΠΎΠ΄ ΠΏΡΠΈΡΡΡΡΡΠ²ΡΠ΅Ρ, ΡΡΠΎ ΠΏΠΎΠ·Π²ΠΎΠ»ΡΠ΅Ρ ΠΈΠ·Π±Π΅ΠΆΠ°ΡΡ Π»ΠΈΡΠ½ΠΈΡ ΠΏΡΠΎΠ²Π΅ΡΠΎΠΊ Π½Π° Π²ΠΎΠ·Π²ΡΠ°Ρ Π·Π½Π°ΡΠ΅Π½ΠΈΡ Β«nullΒ». ΠΠ°ΠΏΡΠΈΠΌΠ΅Ρ, Β«$dateAsString = $booking->getStartDate()?->asDateTimeString()Β»; - thandizo
mitundu ya mgwirizano , kutanthauza zosonkhanitsidwa zamitundu iwiri kapena kupitilira apo (mwachitsanzo, "public function foo(Foo|Bar $input): int|float;"). - thandizo
makhalidwe (zofotokozera) zomwe zimakulolani kuti mumange metadata (monga mtundu wa chidziwitso) kumakalasi osagwiritsa ntchito mawu a Docblock. - ΠΠΎΠ΄Π΄Π΅ΡΠΆΠΊΠ° Π²ΡΡΠ°ΠΆΠ΅Π½ΠΈΠΉ
machesi , ΠΊΠΎΡΠΎΡΡΠ΅ Π² ΠΎΡΠ»ΠΈΡΠΈΠ΅ ΠΎΡ switch ΠΌΠΎΠ³ΡΡ Π²ΠΎΠ·Π²ΡΠ°ΡΠ°ΡΡ Π·Π½Π°ΡΠ΅Π½ΠΈΡ, ΠΏΠΎΠ΄Π΄Π΅ΡΠΆΠΈΠ²Π°ΡΡ ΠΊΠΎΠΌΠ±ΠΈΠ½ΠΈΡΠΎΠ²Π°Π½ΠΈΠ΅ ΡΡΠ»ΠΎΠ²ΠΈΠΉ, ΠΈΡΠΏΠΎΠ»ΡΠ·ΡΡΡ ΡΡΡΠΎΠ³ΠΎΠ΅ ΡΡΠ°Π²Π½Π΅Π½ΠΈΠ΅ ΡΠΈΠΏΠΎΠ² ΠΈ Π½Π΅ ΡΡΠ΅Π±ΡΡΡ ΡΠΊΠ°Π·Π°Π½ΠΈΡ Β«breakΒ».$result = match($input) {
0 => Β«helloΒ»,
β1β, β2β, β3β => Β«worldΒ»,
}; -
Mawu achidule matanthauzo a kalasi, kukulolani kuti muphatikize tanthauzo la omanga ndi katundu. - Mtundu watsopano wobwerera -
static . - Mtundu watsopano -
zosakaniza , yomwe ingagwiritsidwe ntchito kudziwa ngati ntchito ikuvomereza magawo amitundu yosiyanasiyana. - Kulongosola
kuponyera kusamalira zosiyana. -
WeakMap kupanga zinthu zomwe zitha kuperekedwa nsembe panthawi yotolera zinyalala (mwachitsanzo, kusunga ma cache osafunikira). -
Mwayi pogwiritsa ntchito mawu akuti ":: kalasi" pazinthu (zofanana ndi kuitana get_class ()). -
Mwayi matanthauzo mu block block ya zopatula zomwe sizikugwirizana ndi zosintha. -
Mwayi kusiya koma pambuyo pa chinthu chomaliza pamndandanda wa magawo a ntchito. - Mawonekedwe atsopano
Wolimba kuzindikira mtundu uliwonse wa zingwe kapena deta yomwe ingasinthidwe kukhala chingwe (yomwe __toString () njira ilipo). - Mbali yatsopano
str_contains() , analogue yophweka ya strpos kuti mudziwe kupezeka kwa chingwe chochepa, komanso ntchito str_starts_with() ndi str_ends_with() poyang'ana machesi kumayambiriro ndi kumapeto kwa chingwe. - Anawonjezera ntchito
fdiv () , yomwe imagwira ntchito yogawa popanda kutaya cholakwika pogawanika ndi ziro. -
Zasinthidwa logic yolumikizira chingwe. Mwachitsanzo, mawu akuti 'echo "sum:" . $a + $b' m'mbuyomu adatanthauziridwa kuti 'echo ("sum: " . $a) + $b', ndipo mu PHP 8 adzatengedwa ngati 'echo "sum:" . ($a + $b)'. -
Kumangika kuyang'ana masamu ndi magwiridwe antchito, mwachitsanzo, mawu akuti "[] % [42]" ndi "$object + 4" abweretsa cholakwika. -
Zakhazikitsidwa algorithm yokhazikika yosinthira momwe dongosolo lazinthu zofananira limasungidwa pamaulendo osiyanasiyana.
Source: opennet.ru