Timestamps i runga i PHP: waitohuwā, me tātaitanga o te wā

He nui tonu Time. E kore te te pae whakahaere e te wā, me te kore e whakamahi i te reira tonu, e kore e kore ahau e whai i te tika ki te ora, engari tino kore te hou rauemi ipurangi tonu-ngā.

mahi PHP mō te mahi ki te wā

I runga i te rā PHP me te wā kanohi e te huinga o ngā mahi, ranea ki te mahi, kahore here, me te taea o te whakanoho i te wā me te rā ki te turanga kotahi. Ka taea e te kaiwhakawhanake tiki tonu te pane wa mō te tuhi (ara) ngā, me te te raveraa i tātaitanga ngā rā.

Kahore he hiahia ki te tuhituhi waehere ritenga e whakahaere (te tātai) te maha o nga ra i roto i te marama, tupeke tau, ra o te wiki, ingoa marama, a kia atu taea e koe te mahi i runga i te kaupapa. A tino whakawhirinaki i runga i PHP ki te taea ki te mahi ki tenei kōwhiringa.

I roto i te parau tumu, te mahi e rua (getTimeStamp, GetDate) he nui ki te whakaoti i tetahi raruraru i te mahi ki te rā te wā, me te / ranei. Ko taea hoki te kaiwhakawhanake ngawari whakamahi i ētahi atu mahi.

Nui ki PHP waitohuwā - ko te ahua o te tapanga tau e riro katoa te rua tikanga tau hou (uara). Mua, tenei tau ko te maha o hēkona mai waenganui po, January 1 1970 tau.

mooni Whāinga me te uara Waitohuwā

I roto i te hōtaka, i reira i nga wa katoa maha rā te rohe. Ka rite ki tetahi rorohiko tika mahara te rā o tona hōtaka rawa tuatahi, a ka whakahonoretia ana te yuniksoidov hapu te timatanga o tona wā.

I roto i tenei take, iti te whakaaro e tika ana ki te whakatinanatanga o te tikanga i roto i te wā. Whakamahia te reira e taea e anake ki runga ki te 19 Kohitātea 2038. 3:14:08 ki te maha o hēkona mai 01/01/1970 tau tae 2 ^ 31 (2147483648), e hanga te tau tōraro. Kei te mea te reira e ki te whakamahi o te bit kore-32-a moka-64 tāupe rokiroki i te wa roa raruraru ka tukua hoki tetahi 300 piriona tau: hötaka rite ngā, rite te kata, rawa i muri i 2000.

Tātaitanga o te wā, me te faaotiraa o te rā

Ko te wa kanohi e te tau pirimia, hanga ana e ia taea ki te whai i te tauhanga ohie.

He whakaaro ngā ko ki te whakamahi i tenei tātai rite te kī record, me / ranei ngā ahurei. Mā te whakamahi i te hōtaka i runga i PHP waitohuwā roto i te taha ki te ID kaiwhakamahi he manuhiri rite te kī ranei, e kore e taea e koe māharahara e pā ana ki tona ahurei, me te kore e noho wa i runga i te reira.

Ko te kōaro whakaahua ke o te rā me te wā

tika homai wā () mahi mohio tau o te pane wā. Ahakoa o pehea a ka te rā PHP faafariuraa ki waitohuwā i whakamana, e taea te whakahokia mai te reira ki tetahi kanohi watea o te rā mahi (hōputu [, waitohuwā]). Ki te te ngaro te rua o nga tawhā, ka waiho koutou te rā o nāianei te wā, me te / ranei. Ka taea e te uara e tetahi hōputu, taputapu reo whakarato nga kōwhiringa e tika ana katoa mo te wāhi me te rā me te whakahōputu wā.

he rokiroki i roto i te puka tau tonu pai ki te huru, ka i roto i te tua, tino raweketia te kaha ki te kōmaka. Ko hoki nui te taea o te whakamahi i te pāngarau ohie ki te whakahaere i te wā wa, me te tātai rā.

Ārai i te hape taua i roto i nga tātai he whakauaua taea, te tikanga te hua o tetahi tātai i roto i te rā hōputu tūturu / wa he tika tonu.

Localization o te wā

A ahakoa ki PHP rā waitohuwā me te whai-ake ki te maha e watea, me te pai i roto i te ao hou, ano tiaki te rota o take ki te pupuri i a te whakamahi i te rā i roto i tona taiao, me ētahi wā i roto i te hōputu rawa motu.

He nui te mana rorohiko Modern ', te pātengi raraunga tōtika tohu me te mōhiohio taonga, kawea te tauira i roto i hohoro me hātepe tika e te mahi ki ngā rā tūturu ko tino manakohia.

wā Assembly me penapena i roto i te paita mo te wa roa i roto i te mua. E kore e pera maha mahi e rapu utu i te waehere mīhini tika, me te whakaaturanga kiato o raraunga, te nuinga o nga kaupapa hono ki te ao pāpori mahi, te wahi i te rā ki te kia hoatu i roto i tona hōputu tika.

Ki te katoa o tenei e raweke i te raraunga i runga i PHP, e kore e waitohuwā ngaro tona auraa mahi, a ka tika ki te hei i roto i te täoro o te kaiwhakawhanake mohio.

wā o nāianei

Ko te tikanga whānui o te katoa Time mahi PHP: wā o nāianei = waitohuwā. Kua tohua ngā rā katoa ā i te kaiwhakamahi ranei kaiwhakawhanake, te tikanga he Raraunga :. timatanga ranei mutunga o te wā, te rā o te whanau, mahi, me ētahi atu raraunga Time manakohia e te maramataka pāhekoheko whakahaere. I roto i ngā, i tenei datapicker i te jQuery, e taea ana ki te tomo i te rā, me te / wā ranei tika i roto i te taiao pūtirotiro, i te whārangi tukutuku.

Datapicker me te whanaketanga rite kihai i mahi tino mahi anake. whakarato hoki rātou i te kaha ki te whakarite me pehea te localization o te hōputu rā / wā, me te ingoa o nga marama, nga ra o te wiki, nga mea timatanga pūāhua wehenga o te rā, me te wā.

Ka taea e te kaiwhakawhanake te mahi i runga i te rā PHP ki te waitohuwā mo te whakamātautau, whakarite, ngā mahi tauhanga.

Ko te raraunga tomo e te kaiwhakamahi (manuhiri) - e kore ko te mahi PHP waitohuwā nei whakaaro he rerekē i tēnei. Heoi, ko reira tenei mahi PHP motuhake taea te kaiwhakawhanake ki te whakahaere i te wa o te tomokanga raraunga me ngā rā kaiwhakamahi.