php从记号a到记号b割成一个数组，怎么割。求大佬指点

[qq_34494805]

--- User1: WW005 --- -- Fri Feb 15 00:04:32 2019
[id=20543731, type=421025], dur=1599, max_dur=1599, gemhole=[0,0], addtion=[7], antimonster=[0], dec_dmg=[0], add_life=[0] -- Fri Feb 15 00:04:32 2019
--- User2: 阎王 --- -- Fri Feb 15 00:04:32 2019

这样为一个数组，
也就是User1:到User2: 割为一个数组，



--- User1: WW005 --- -- Fri Feb 15 00:04:32 2019
[id=20543731, type=421025], dur=1599, max_dur=1599, gemhole=[0,0], addtion=[7], antimonster=[0], dec_dmg=[0], add_life=[0] -- Fri Feb 15 00:04:32 2019
--- User2: 阎王 --- -- Fri Feb 15 00:04:32 2019
[id=20357770, type=410301], dur=1099, max_dur=1099, gemhole=[13,0], addtion=[3], antimonster=[0], dec_dmg=[0], add_life=[0] -- Fri Feb 15 00:04:32 2019
[id=20357812, type=410301], dur=1099, max_dur=1099, gemhole=[13,0], addtion=[3], antimonster=[0], dec_dmg=[0], add_life=[0] -- Fri Feb 15 00:04:32 2019
[id=20357800, type=410301], dur=1099, max_dur=1099, gemhole=[13,0], addtion=[3], antimonster=[0], dec_dmg=[0], add_life=[0] -- Fri Feb 15 00:04:32 2019
--- User1: WW005 --- -- Fri Feb 15 00:05:08 2019
[id=20357800, type=410301], dur=1099, max_dur=1099, gemhole=[13,0], addtion=[3], antimonster=[0], dec_dmg=[0], add_life=[0] -- Fri Feb 15 00:05:08 2019
[id=20357812, type=410301], dur=1099, max_dur=1099, gemhole=[13,0], addtion=[3], antimonster=[0], dec_dmg=[0], add_life=[0] -- Fri Feb 15 00:05:08 2019
[id=20357770, type=410301], dur=1099, max_dur=1099, gemhole=[13,0], addtion=[3], antimonster=[0], dec_dmg=[0], add_life=[0] -- Fri Feb 15 00:05:08 2019
[id=20549199, type=700071], dur=199, max_dur=199, gemhole=[0,0], addtion=[0], antimonster=[0], dec_dmg=[0], add_life=[0] -- Fri Feb 15 00:05:08 2019
[id=20359439, type=730003], dur=1, max_dur=1, gemhole=[0,0], addtion=[3], antimonster=[0], dec_dmg=[0], add_life=[0] -- Fri Feb 15 00:05:08 2019
[id=20359411, type=730003], dur=1, max_dur=1, gemhole=[0,0], addtion=[3], antimonster=[0], dec_dmg=[0], add_life=[0] -- Fri Feb 15 00:05:08 2019
[id=20359398, type=730003], dur=1, max_dur=1, gemhole=[0,0], addtion=[3], antimonster=[0], dec_dmg=[0], add_life=[0] -- Fri Feb 15 00:05:08 2019
--- User2: AK47 --- -- Fri Feb 15 00:05:08 2019

[SHANDIANDIAN]

如果你user这个规则是固定的 直接用 $keywords = explode("--- User1", $a);
这样就会把User1 到下一个User1 分割成一个数组，如果需要保留分割字符串就循环在吧 ---User1 在加上

[qq_34494805]

好暴力，太直接了吧，也是一个办法