7.2.33, Π² ΠΊΠΎΡΠΎΡΡΡ
ΡΡΡΡΠ°Π½Π΅Π½Ρ Π½Π°ΠΊΠΎΠΏΠΈΠ²ΡΠΈΠ΅ΡΡ ΠΎΡΠΈΠ±ΠΊΠΈ ΠΈ ΡΡΠ·Π²ΠΈΠΌΠΎΡΡΠΈ.
Siseko
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Amandla Umqambi weJIT , ukusetyenziswa okuya kuphucula imveliso. -
inkxaso 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
kuvunyelwe 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»; - inkxaso
iintlobo zomanyano , ichaza ingqokelela yeentlobo ezimbini nangaphezulu (umzekelo, βumsebenzi woluntu foo(Foo|Bar $input): int|float;β). - inkxaso
iimpawu (izichasiselo) ezikuvumela ukuba ubophe imetadata (efana neenkcukacha zohlobo) kwiiklasi ngaphandle kokusebenzisa i-Docblock syntax. - ΠΠΎΠ΄Π΄Π΅ΡΠΆΠΊΠ° Π²ΡΡΠ°ΠΆΠ΅Π½ΠΈΠΉ
komdlalo , ΠΊΠΎΡΠΎΡΡΠ΅ Π² ΠΎΡΠ»ΠΈΡΠΈΠ΅ ΠΎΡ switch ΠΌΠΎΠ³ΡΡ Π²ΠΎΠ·Π²ΡΠ°ΡΠ°ΡΡ Π·Π½Π°ΡΠ΅Π½ΠΈΡ, ΠΏΠΎΠ΄Π΄Π΅ΡΠΆΠΈΠ²Π°ΡΡ ΠΊΠΎΠΌΠ±ΠΈΠ½ΠΈΡΠΎΠ²Π°Π½ΠΈΠ΅ ΡΡΠ»ΠΎΠ²ΠΈΠΉ, ΠΈΡΠΏΠΎΠ»ΡΠ·ΡΡΡ ΡΡΡΠΎΠ³ΠΎΠ΅ ΡΡΠ°Π²Π½Π΅Π½ΠΈΠ΅ ΡΠΈΠΏΠΎΠ² ΠΈ Π½Π΅ ΡΡΠ΅Π±ΡΡΡ ΡΠΊΠ°Π·Π°Π½ΠΈΡ Β«breakΒ».$result = match($input) {
0 => Β«helloΒ»,
β1β, β2β, β3β => Β«worldΒ»,
}; -
Isivakalisi esifutshane iinkcazo zeklasi, ezikuvumela ukuba udibanise inkcazo yomakhi kunye neempawu. - Uhlobo olutsha lokubuya -
static . - Uhlobo olutsha -
zixutywe , enokusetyenziswa ukumisela ukuba umsebenzi wamkela iiparameters zeentlobo ezahlukeneyo. - Inkcazo
ukuphosa ukusingatha iinketho. -
I-WeakMap ukudala izinto ezinokubingelelwa ngexesha lokuqokelela inkunkuma (umzekelo, ukugcina ii-caches ezingadingekile). -
Ithuba usebenzisa ibinzana elithi "::class" kwizinto (ezifana nokubiza get_class()). -
Ithuba iinkcazo kwibhloko yokubamba yezinto ezingaphandle ezingabotshwanga kwizinto eziguquguqukayo. -
Ithuba kushiya isiphumlisi emva kwento yokugqibela kuluhlu lweparameters zomsebenzi. - Ujongano olutsha
Iqinile ukuchonga naluphi na uhlobo lomtya okanye idatha enokuthi iguqulelwe kumtya (apho __toString () indlela ekhoyo). - Inqaku elitsha
str_iqulathe () , i-analogue eyenziwe lula ye-strpos yokumisela ukwenzeka komtya ongezantsi, kunye nemisebenzi str_starts_with() kunye str_ends_with() yokukhangela imatshisi ekuqaleni nasekupheleni komtya. - Umsebenzi ongezelelweyo
fdiv() , eyenza umsebenzi wokwahlula ngaphandle kokuphosa impazamo xa isahlulahlula ngo-zero. -
Itshintshiwe ingqiqo yokudibanisa umtya. Umzekelo, ibinzana elithi 'echo "sum:" . I-$a + $b' ngaphambili yayitolikwa njenge-'echo ("sum: " . $a) + $b', kwaye kwi-PHP 8 iya kuphathwa njenge 'echo "sum: " . ($a + $b)'. -
Iqinisiwe ijonga i-arithmetic kunye nokusebenza kancinci, umzekelo, intetho "[] % [42]" kunye ne "$object + 4" ziya kubangela impazamo. -
Iphunyeziwe i-algorithm yokuhlela ezinzileyo apho ulandelelwano lwamaxabiso afanayo lugcinwa kwimitsi eyahlukeneyo.
umthombo: opennet.ru