Sei munhu kufambira arrays?

Kazhinji kana nekugadzirisa mamwe mabasa anodiwa kuti Sorting pamusoro Data kuti zvikachenge- kuko. Chii chiri kufambira arrays? Pano, Somuenzaniso, kutamba makadhi, vanhu vakaisa makadhi avo kukosha uye sutu. Izvi zvinoita kuti tikwanise kuziva chii mamwe makadhi havana. Uye maduramazwi zvose akarayira alphabetically. Mienzaniso zvakawanda. Sort - kurongazve zvimwe nhamba zvinhu chero murayiro pamusoro nhandare kutaurwa. Kufambira arrays zvinoda zvakanaka kakawanda. Kuti izvi zvidaro, nzira dzakasiyana dzinoshandiswa. Kuti tinzwisise chaizvoizvo yavo, zvakatikwanira kufunga zvakadzama dzakawanda.

On chii chinoita sei

Zvakakosha kunzwisisa kuti hondo rine vakawanda yegwara makiyi uye yakananga tsika. Kufambira arrays muna C zvinoitwa tichibatsirwa vakawanda mitsetse code, uye mutauro PHP, ichi kunoitwa murayiro nyore mumwe chete. Kufambira arrays zvinogoneka pachishandiswa kiyi kana tsika. Kunyange zvichibvira kuti uendese kukosha, vachisiya navo huripo makiyi kana mabasa matsva.

The chikuru misiyano mitambo

Kufambira inofa PHP kunobvira vachishandisa akasiyana-siyana. Ngatitarisei kuti vakasiyana:

- Vamwe mabasa vari arongwe arrays ne zvinokosha yayo, uye vamwe - pamusoro tsika.

- kune zvakasiyana zvemarudzi kuti: wakaburuka, kukura, yepanyama, Numeric, earufabheti, chero kana kutaurwa vanozvishandisa.

- Vamwe mabasa anokwanisa kuponesa pashure kufambira kubatana pakati kiyi uye kukosha. Asi pane nyaya umo kiyi achaiswa itangezve kukosha itsva.

- Mumwe basa rinopa nadzurudzo pakati akapfuura hondo. Sort kutevedzera, havasi kudzoka.

- The yemarudzi kuti ndiyo Undefined, kana mashandiro kunotema okunze maviri sevakaenzana. Izvi kusagadzikana Sorting.

Vamwe zvemarudzi basa arrays PHP

Sort () uye rsort (). Sort () Anorayirawo vakabuda earufabheti. Ngationei kuti basa iri nyaya kugumbuka. Zvinonzi arongwe nezvinhu zvinokosheswa dzakakudzingai kiyi. Rsort () achaita reumwe nekwekupedzesera, zvakare, maererano netsika uye hanya kiyi.

Asort () - iri rimwe mashandiro anoita kuchengetedza ukama kiyi uye tsika. Rinobatsirawo associative arrays, kana zvinokosha.

In muenzaniso vakasarudzwa kiyi mazita muchero uye tsika - ndiwo mutengo. Sorting ari kukwira mutengo. Kana uchida kugadzirisa kubudikidza mazita zvibereko, unofanira kushanda ksort (), izvo kunoita kufambira kubudikidza kiyi. Arsort () Vemarudzi ari mumwe-dimensional siyana pamwe maindex (rairatidza) nekuburuka tsika. Krsort () nokuburuka zvinhu zvemarudzi anokosha.

Vaviri-dimensional kuko

An dzinonakidza maviri-dimensional kuko kufambira. Izvi zvinogona kuitwa nenzira dzakasiyana-siyana. PHP ane mukana kuenzanisa nhamba mbiri kana hungiso maviri. Chero Multi-dimensional wakazvigadzira, mumwe chinhu inofa. In PHP, kuenzanisa akawanda arrays, unofanira kusika yakananga nzira. Chimbofunga maviri-dimensional wakazvigadzira, iro rinochengeta Chidimbu zita muchero, zita rizere uye mutengo. The kuko zvinhu zvinogona arongwe mune earufabheti yacho rakapfupikiswa zita.

Ari muenzaniso muzita kwedu basa enzanisa (kuenzanisa). Rine 2 nharo - X, y. Mashandiro anofanira kutora tsika mbiri, ipapo kuona hurongwa. The parameters X, y - 2 kuko zviri mukati huru mitsetse and. Kuenzanisa rondedzero-pezvokuvamba arrays, izvo wakapfuurira mashandiro, unofanira variables $ X [1], $ and [1]. In return1 mutsetse uri kudzoka ukoshi kuti bumbiro inonzi kuti mashandiro. Vakarongedza yedu Sorting anotsanangura usort () ushande. Sort anoenda maererano nemirau, iyo inorondedzera enzanisa () ushande.

Zvino kufambira arrays PHP achava kuti kunzwisisa.