Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Speaker Deck
PRO
Sign in
Sign up
for free
PHP8をざっくり解説してみる
大塚真言
January 23, 2021
Programming
0
43
PHP8をざっくり解説してみる
大塚真言
January 23, 2021
Tweet
Share
More Decks by 大塚真言
See All by 大塚真言
shingen29
0
100
shingen29
2
510
shingen29
1
120
shingen29
0
12
shingen29
1
190
shingen29
0
120
shingen29
3
130
shingen29
4
990
shingen29
1
22
Other Decks in Programming
See All in Programming
xrdnk
0
100
manfredsteyer
PRO
0
250
prof18
0
1k
alperhankendi
1
140
oleindesign
1
200
danilop
0
220
mrtc0
2
960
boriswilhelms
0
110
takara9
0
150
watilde
4
1.3k
legalforce
PRO
1
700
saten
1
180
Featured
See All Featured
tanoku
258
24k
danielanewman
1
520
destraynor
146
19k
reverentgeek
167
7.2k
jrom
116
7.2k
jakevdp
775
200k
keithpitt
401
20k
holman
461
280k
ufuk
56
5.4k
phodgson
87
3.9k
pauljervisheath
195
15k
chriscoyier
779
240k
Transcript
PHP8Λͬ͘͟Γղઆͯ͠ΈΔ 2021/1/22 WebφΠτٶ࡚ vol.12 େ௩ਅݴ
ࣗݾհ
ࣗݾհ -BSBWFM 7VFKT 'JSFCBTF αφେ͖ͳ8FCΤϯδχΞ
ձࣾհ ߹ಉձࣾϊϚυϦ ۀظ ϝϯόʔ໊ 8FCαʔϏε։ൃ &$αΠτ։ൃ
202011݄26 Կͷʁ
ͷੜ
Ͱͳ͘
PHP8ͷੜ ʢϦϦʔεʣ
ओͳมߋ • JITίϯύΠϧʹΑΔੑೳվળ • Nullsafeԋࢉࢠʢψϧ҆શΦϖϨʔλʣ • Unionܕ • Matchࣜ •
ଞʹଟ
ͦͷલʹ Ξϯέʔτ
ͲͷόʔδϣϯΛͬͯΔʁ 1. PHP 5.x 2. PHP 7.0ʙ7.2 3. PHP 7.3ʙ7.4
4. PHP 8.0
ҎԼ 7.4 7.3 7.2 7.0-7.1 5.6 5.5ҎԼ IUUQTXUFDITDPNUFDIOPMPHJFTEFUBJMTQMQIQ όʔδϣϯ͝ͱͷ༻
PHP8ͷ৽ػೳ
JITίϯύΠϧ • JITʢJust-in-Time Compilerʣ˞࣮ߦ࣌ίϯύΠϥ • ίʔυΛϝϞϦʔʹΩϟογϡ͢ΔOPCacheͱซ༻ • ωΠςΟϒίʔυΛϝϞϦʔʹΩϟογϡ͢Δ͜ͱͰϓϩ άϥϜ࣮ߦΛߴԽ •
ΞϧΰϦζϜܥॲཧͰ2~3ഒఔ࣮ߦ্͕ͨ͠ɺ WordPressͳͲͷWebΞϓϦέʔγϣϯͰ%ఔ͔͠ ্͠ͳ͍
Nullsafeԋࢉࢠ DPVOUSZOVMM JG TFTTJPOOVMM \ VTFSTFTTJPOVTFS JG VTFSOVMM \ BEESFTTVTFSHFU"EESFTT
JG BEESFTTOVMM \ DPVOUSZBEESFTTDPVOUSZ ^ ^ ^ DPVOUSZTFTTJPO VTFS HFU"EESFTT DPVOUSZ 1)1 1)1 ifจʹΑΔnullνΣοΫ͕ෆཁʹͳΔ
Unionܕ !QBSBNqPBUcJOUOVNCFS QVCMJDGVODUJPOTBNQMF OVNCFS \
FDIPOVNCFS ^ UIJTTBNQMF UFHFIPHF ࣮ߦՄೳ QVCMJDGVODUJPOTBNQMF qPBUcJOUOVNCFS \ FDIPOVNCFS ^ UIJTTBNQMF UFHFIPHF ࣮ߦΤϥʔ 1)1 1)1 ࣮ߦ࣌ʹUnionܕͷܕνΣοΫ͕Ͱ͖Δ 1)1ͰΞϊςʔγϣϯ ʹΑΔิ
Matchࣜ TXJUDI \ DBTF SFTVMU0IOP CSFBL DBTF SFTVMU5IJTJTXIBU*FYQFDUFE CSFBL
^ FDIPSFTVMU 0IOP FDIPNBUDI \ 0IOP 5IJTJTXIBU*FYQFDUFE ^ 5IJTJTXIBU*FYQFDUFE 1)1 1)1 ݫີͳൺֱɺbreakจ͕ෆཁ
·ͱΊ • JITίϯύΠϧ͕ಋೖ͞Ε͕ͨɺ࣮ӡ༻ͷWebΞ ϓϦͷੑೳ্͋·ΓظͰ͖ͳ͍ • MatchࣜNullsafeԋࢉࢠΛ͏͜ͱͰεϦϜ ͳίʔυΛॻ͚Δ • Unionܕ͕Ճ͞ΕɺܕγεςϜ͕ΑΓڧݻʹ ͳͬͨ
͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ