Me ke kōkua o ke kaila meta_query i loko o ka papa WordPress WP_Query mana, hiki ke kānana ʻia nā pou i loaʻa kekahi mau waiwai i kā lākou kahua meta. Inā ua hana ʻoe i kahi kahua meta laina laina (e laʻa me ke kōkua o Advanced Custom Fields ) a makemake wale ʻoe e ʻike i nā pou i loaʻa kahi waiwai i kēia kahua i hoʻokaʻawale ʻia e nā haki laina, paipai ʻia ka honua REGEX o MySQL.
Loaʻa i kēia kāhea kēia mau pou āpau i loaʻa ka pā kī ma kahi ma kahi laina i ka foo kahua:
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Hōʻoia kēia i ka loaʻa ʻole o nā substrings kūpono ʻole a haki ka laina i nā hana ma nā papaha. Nui pū kekahi: pono ka waiwai o ke ʻano waiwai i nā kaha kaha pālua, inā ʻaʻole e pakele ʻo WordPress i nā backslashes (mai hopohopo: E noʻonoʻo ʻo Prettier i kēia i ka paʻa mau). Hiki ke hoʻohana ʻia ke kaʻina hana like no nā kumu ʻē aʻe: Eia kekahi laʻana, i ke code ma luna, "\ r \ n | \ r | \ n" ua hoʻololi ʻia e " ;" inā ʻo ke koma (ma kahi o ka laina) hoʻokaʻawale ʻia i loko o kahi kahua kikokiko.