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This is an example of a 3 dimensional array in PHP. The first 2 dimensions are obvious, seen in this table as rows and columns. The third dimension holds multiple entries per cell, demonstrated here by separating the third dimension into mulitple lines

bg=#2F0FF5 #965679 #04F023 #54F279 #FFF3FF #F46FF8	bg=#F1171F #F9F1F5 #FFF80F #F51989 #345F84 #F68328	bg=#2692F3 #FF2F01 #0F1F41 #7079F0 #2F58FF #FF35F5	bg=#45FFFF #F94035 #2323F6 #567F01 #F2F3FF #0874F5	bg=#F29874 #9FFFF2 #4F5624 #F8F45F #53F568 #2709FF	bg=#49056F #F5FF47 #F95408 #8F0316 #F7FFF1 #5F8584	bg=#F5FFF1 #46FF3F #627F68 #4F5437 #F2F5FF #63FF93	bg=#7F8015 #3F9FFF #F3F4F5 #F35278 #93F889 #4FFFF6
bg=#45F226 #324F01 #9F4813 #FF64FF #F9182F #169F67	bg=#128FF0 #599969 #F06F87 #2759F5 #88FF00 #427F0F	bg=#FF9F50 #568FFF #8FFF97 #6FFF69 #1F2092 #1F49F5	bg=#F06FF3 #70FFFF #F85F7F #3FF2F3 #FF2FFF #0F8574	bg=#052854 #FF46F4 #1FF794 #7F33FF #6F99F6 #4F4F0F	bg=#FFF9FF #1FF528 #F347FF #F2FF6F #FF6660 #FFF17F	bg=#FFF899 #F877F9 #08F5F8 #3FFFF0 #97FFF3 #FFFFF5	bg=#88928F #7FFF2F #835584 #FF08FF #933721 #F2F9FF
bg=#36F95F #F55F38 #9FFF04 #3F046F #F0F371 #4241F2	bg=#F530F9 #FF727F #F166F7 #F26F6F #66F594 #6F7F03	bg=#4F3F50 #FFF3F6 #F97507 #FF9370 #0F7F31 #39FF4F	bg=#F5FFF7 #F0FF4F #234994 #06FFF6 #FF4297 #3F1365	bg=#47FF97 #346F0F #F2FFF8 #3FF279 #924F5F #69F8F1	bg=#FFFF64 #F064F7 #0FF086 #8F37FF #18F663 #4FFF59	bg=#F49F57 #13F88F #F9499F #019397 #FF0F17 #F64F69	bg=#69498F #68F005 #F0FFF8 #FF95F3 #FFFF90 #49796F
bg=#94F8FF #3F50F6 #677561 #F3F789 #F5593F #F8812F	bg=#035F0F #F5F568 #FF0327 #4FFF63 #918FFF #F55777	bg=#7FF6F2 #57F0F2 #99F9F1 #100F07 #FF9794 #47F9F2	bg=#F5742F #049F56 #FFFF8F #09F15F #9382F1 #7F9188	bg=#F9603F #49FF62 #46135F #063F89 #F2F348 #4F7FF0	bg=#FF3F52 #61F3F0 #63777F #17455F #F0FF33 #38FF6F	bg=#855F56 #FFF60F #762FFF #F02057 #F48FFF #F34FFF	bg=#FF484F #FF8F28 #99FF8F #65F954 #0298F9 #4FF9FF
bg=#FF4236 #487F39 #5F349F #3F1186 #699F28 #876403	bg=#FF0503 #04F81F #16F4F5 #0F51FF #85714F #FF2012	bg=#5F0866 #327FF8 #FFFF1F #F18438 #2FFFF2 #58F781	bg=#FFF1F1 #9F41FF #F9F94F #34FF91 #3FF16F #4F442F	bg=#7FFF33 #6F8FF3 #88F311 #F55F1F #F4FF61 #7FFFFF	bg=#FF2F15 #86F00F #4921F4 #3F989F #77F236 #3F2172	bg=#615675 #008F08 #752F7F #FFF934 #4FF4F0 #F1FF24	bg=#9F1957 #F34715 #F8F132 #13FFF0 #11FF5F #F0FFFF
bg=#F07F15 #FF2433 #93F450 #663330 #441036 #F266F4	bg=#F9FF53 #5F0823 #FF78FF #862F95 #FFFFFF #480FFF	bg=#F01103 #F5FFFF #39FF29 #6FF979 #F37915 #75F70F	bg=#764FFF #5F32F1 #02FFFF #4284F0 #FF3545 #FFFF3F	bg=#1683FF #889FF8 #FFF967 #7FF0F6 #0F1436 #9F1394	bg=#FFF2FF #F2F8F8 #0F3F6F #2F5FF5 #3F3526 #FF6FFF	bg=#88885F #1F1F60 #76FF24 #652F20 #05F4F1 #F6F03F	bg=#F5FF7F #04F241 #2F808F #4F07F2 #7F86F3 #7F94FF