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Example code of ark4ne/xl-reader

Informations about the package xl-reader

xl-reader

Build Status Coverage Status

High performance excel reader, with very low memory consumption.

Installation

File support

Usage

Read file

Each $row will contains data indexed by column key (A, B, C, ...).

With excel empty cells will not be reported

With numbers (mac), and many xlsx other generator, empty cells will be reported as null

Work with sheets (XLSX Reader)

By default, the first sheet is read.

You can retrieve all worksheets with getWorksheets().

You can retrieve selected worksheet with getSelectedWorksheet().

You have three ways to select the sheets to work with:

Performance

legend
mem php memory usage with memory_get_peak_usage()
real mem process real mem usage with /usr/bin/time -l php ...

Memory

The memory usage is affected only by the number of strings contains in the file to read :

str size (Ko) load() mem real mem
1024 13Ko 3.819ms 0.811MB 12.188MB
32768 416Ko 43.899ms 2.900MB 14.273MB
262144 3.32Mo 363.536ms 18.650MB 30.246MB
524288 6.65Mo 689.840ms 36.650MB 48.281MB

load() method is directly affected by this. More strings they are to load, more time we need to load. (logic, anything is magical)

Once the strings are loaded, we have reached the memory used peak.

Reading the data consumes almost no memory.
Only the current line will be loaded into memory.

Read

Benchmark with 1024 str :

rows x cols cells read mem real mem
100 x 4 400 1.152ms 0.811MB 12.188MB
100 x 16 1 600 3.520ms 0.811MB 12.121MB
100 x 32 3 200 7.046ms 0.811MB 12.262MB
100 x 64 6 400 13.758ms 0.811MB 12.270MB
1000 x 4 4 000 9.382ms 0.811MB 12.203MB
1000 x 16 16 000 32.149ms 0.811MB 12.129MB
1000 x 32 32 000 65.125ms 0.811MB 12.203MB
1000 x 64 64 000 136.509ms 0.811MB 12.320MB
10000 x 4 40 000 97.383ms 0.811MB 12.121MB
10000 x 16 160 000 362.781ms 0.811MB 12.367MB
10000 x 32 320 000 656.291ms 0.811MB 12.383MB
10000 x 64 640 000 1 344.341ms 0.811MB 12.484MB
100000 x 4 400 000 920.734ms 0.811MB 12.559MB
100000 x 16 1 600 000 3 338.086ms 0.811MB 12.473MB
100000 x 32 3 200 000 6 636.691ms 0.811MB 12.488MB
100000 x 64 6 400 000 13 572.875ms 0.811MB 12.527MB

The reading speed depends on the number of cells to be read. The more cells there are to read, the longer the reading time will be.

However, the number of cells to be read has no effect on the memory used.

All bench result

rows x cols cells str load read mem real mem
100 x 4 400 1024 3.819ms 1.152ms 0.811MB 12.188MB
100 x 4 400 32768 43.899ms 1.308ms 2.900MB 14.273MB
100 x 4 400 262144 363.536ms 1.216ms 18.650MB 30.246MB
100 x 4 400 524288 689.840ms 1.296ms 36.650MB 48.281MB
100 x 16 1 600 1024 2.535ms 3.520ms 0.811MB 12.121MB
100 x 16 1 600 32768 44.586ms 3.644ms 2.902MB 14.180MB
100 x 16 1 600 262144 347.970ms 3.939ms 18.652MB 30.156MB
100 x 16 1 600 524288 700.403ms 4.054ms 36.652MB 48.379MB
100 x 32 3 200 1024 2.917ms 7.046ms 0.811MB 12.262MB
100 x 32 3 200 32768 49.992ms 7.068ms 2.905MB 14.410MB
100 x 32 3 200 262144 358.629ms 7.810ms 18.655MB 30.160MB
100 x 32 3 200 524288 720.848ms 8.478ms 36.655MB 48.328MB
100 x 64 6 400 1024 3.175ms 13.758ms 0.811MB 12.270MB
100 x 64 6 400 32768 44.186ms 15.912ms 2.914MB 14.414MB
100 x 64 6 400 262144 358.572ms 14.553ms 18.664MB 30.273MB
100 x 64 6 400 524288 729.723ms 19.326ms 36.664MB 48.250MB
1000 x 4 4 000 1024 2.651ms 9.382ms 0.811MB 12.203MB
1000 x 4 4 000 32768 50.050ms 9.998ms 2.900MB 14.453MB
1000 x 4 4 000 262144 347.184ms 10.336ms 18.650MB 30.180MB
1000 x 4 4 000 524288 707.146ms 10.559ms 36.650MB 48.262MB
1000 x 16 16 000 1024 2.554ms 32.149ms 0.811MB 12.129MB
1000 x 16 16 000 32768 45.078ms 33.686ms 2.902MB 14.309MB
1000 x 16 16 000 262144 346.377ms 33.933ms 18.652MB 30.164MB
1000 x 16 16 000 524288 695.764ms 36.088ms 36.652MB 48.262MB
1000 x 32 32 000 1024 2.563ms 65.125ms 0.811MB 12.203MB
1000 x 32 32 000 32768 43.847ms 66.912ms 2.905MB 14.434MB
1000 x 32 32 000 262144 348.987ms 83.518ms 18.655MB 30.203MB
1000 x 32 32 000 524288 690.199ms 69.770ms 36.655MB 48.305MB
1000 x 64 64 000 1024 2.567ms 136.509ms 0.811MB 12.320MB
1000 x 64 64 000 32768 43.872ms 141.797ms 2.914MB 14.453MB
1000 x 64 64 000 262144 346.000ms 161.795ms 18.664MB 30.254MB
1000 x 64 64 000 524288 681.378ms 141.121ms 36.664MB 48.242MB
10000 x 4 40 000 1024 2.646ms 97.383ms 0.811MB 12.121MB
10000 x 4 40 000 32768 43.895ms 94.159ms 2.900MB 14.180MB
10000 x 4 40 000 262144 356.011ms 101.299ms 18.650MB 30.223MB
10000 x 4 40 000 524288 685.486ms 96.134ms 36.650MB 48.254MB
10000 x 16 160 000 1024 2.575ms 362.781ms 0.811MB 12.367MB
10000 x 16 160 000 32768 47.681ms 376.481ms 2.902MB 14.406MB
10000 x 16 160 000 262144 370.344ms 365.026ms 18.652MB 30.230MB
10000 x 16 160 000 524288 688.249ms 361.975ms 36.652MB 48.328MB
10000 x 32 320 000 1024 2.604ms 656.291ms 0.811MB 12.383MB
10000 x 32 320 000 32768 48.109ms 700.548ms 2.905MB 14.520MB
10000 x 32 320 000 262144 351.243ms 708.751ms 18.655MB 30.309MB
10000 x 32 320 000 524288 694.430ms 731.479ms 36.655MB 48.480MB
10000 x 64 640 000 1024 2.736ms 1 344.341ms 0.811MB 12.484MB
10000 x 64 640 000 32768 46.607ms 1 374.319ms 2.914MB 14.520MB
10000 x 64 640 000 262144 349.125ms 1 371.404ms 18.664MB 30.297MB
10000 x 64 640 000 524288 685.803ms 1 439.625ms 36.664MB 48.387MB
100000 x 4 400 000 1024 2.986ms 920.734ms 0.811MB 12.559MB
100000 x 4 400 000 32768 45.819ms 953.416ms 2.900MB 14.570MB
100000 x 4 400 000 262144 351.414ms 944.669ms 18.650MB 30.301MB
100000 x 4 400 000 524288 690.455ms 970.586ms 36.650MB 48.305MB
100000 x 16 1 600 000 1024 3.934ms 3 338.086ms 0.811MB 12.473MB
100000 x 16 1 600 000 32768 43.459ms 3 488.664ms 2.902MB 14.574MB
100000 x 16 1 600 000 262144 351.500ms 3 489.926ms 18.652MB 30.453MB
100000 x 16 1 600 000 524288 709.562ms 3 513.428ms 36.652MB 48.477MB
100000 x 32 3 200 000 1024 2.558ms 6 636.691ms 0.811MB 12.488MB
100000 x 32 3 200 000 32768 43.137ms 6 855.266ms 2.905MB 14.594MB
100000 x 32 3 200 000 262144 350.783ms 7 092.668ms 18.655MB 30.422MB
100000 x 32 3 200 000 524288 709.272ms 7 187.225ms 36.655MB 48.496MB
100000 x 64 6 400 000 1024 3.733ms 13 572.875ms 0.811MB 12.527MB
100000 x 64 6 400 000 32768 45.658ms 14 091.011ms 2.914MB 14.621MB
100000 x 64 6 400 000 262144 349.527ms 14 680.272ms 18.664MB 30.391MB
100000 x 64 6 400 000 524288 698.834ms 15 201.110ms 36.664MB 48.473MB

All versions of xl-reader with dependencies

PHP Build Version
Package Version
Requires php Version ^7.0|^8.0
ext-xmlreader Version *
ext-zip Version *
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