Drop support for PHP 8.1

[stloyd]

Change Log

Added

Fixed

Changed

Removed

• Drop support for PHP 8.1

Deprecated

Security

---

Description

Fixes #1283

[norberttech]

This should be merged after #1287 it also means that local development and the code needs to be written in 8.2

[github-actions]

Flow PHP - Benchmarks

^{_{Results of the benchmarks from this PR are compared with the results from 1.x branch.}}

Extractors

+-----------------------+-------------------+------+-----+-------------------+------------------+-----------------+
| benchmark             | subject           | revs | its | mem_peak          | mode             | rstdev          |
+-----------------------+-------------------+------+-----+-------------------+------------------+-----------------+
| CSVExtractorBench     | bench_extract_10k | 1    | 3   | 4.707mb -1.58%    | 515.578ms +0.52% | ±0.54% +7.61%   |
| JsonExtractorBench    | bench_extract_10k | 1    | 3   | 4.810mb -1.52%    | 1.112s +0.70%    | ±2.47% +200.67% |
| ParquetExtractorBench | bench_extract_10k | 1    | 3   | 102.528mb -15.75% | 907.006ms -3.19% | ±0.30% -71.83%  |
| TextExtractorBench    | bench_extract_10k | 1    | 3   | 4.435mb -1.58%    | 33.311ms +0.05%  | ±0.87% -25.14%  |
| XmlExtractorBench     | bench_extract_10k | 1    | 3   | 4.413mb -1.60%    | 664.459ms +0.18% | ±0.26% -58.61%  |
+-----------------------+-------------------+------+-----+-------------------+------------------+-----------------+

Transformers

+-----------------------------+--------------------------+------+-----+------------------+-----------------+---------------+
| benchmark                   | subject                  | revs | its | mem_peak         | mode            | rstdev        |
+-----------------------------+--------------------------+------+-----+------------------+-----------------+---------------+
| RenameEntryTransformerBench | bench_transform_10k_rows | 1    | 3   | 117.578mb -2.73% | 60.865ms +0.38% | ±1.41% +2.41% |
+-----------------------------+--------------------------+------+-----+------------------+-----------------+---------------+

Loaders

+--------------------+----------------+------+-----+-------------------+------------------+-----------------+
| benchmark          | subject        | revs | its | mem_peak          | mode             | rstdev          |
+--------------------+----------------+------+-----+-------------------+------------------+-----------------+
| CSVLoaderBench     | bench_load_10k | 1    | 3   | 55.703mb -1.07%   | 111.791ms -0.02% | ±0.97% +136.73% |
| JsonLoaderBench    | bench_load_10k | 1    | 3   | 90.910mb -5.94%   | 102.127ms -3.06% | ±1.16% +239.57% |
| ParquetLoaderBench | bench_load_10k | 1    | 3   | 255.717mb -34.55% | 19.320s -10.43%  | ±0.34% +70.60%  |
| TextLoaderBench    | bench_load_10k | 1    | 3   | 17.784mb -3.34%   | 44.138ms +0.01%  | ±0.77% -61.75%  |
+--------------------+----------------+------+-----+-------------------+------------------+-----------------+

Building Blocks

+-------------------------+----------------------------+------+-----+------------------+------------------+-----------------+
| benchmark               | subject                    | revs | its | mem_peak         | mode             | rstdev          |
+-------------------------+----------------------------+------+-----+------------------+------------------+-----------------+
| RowsBench               | bench_chunk_10_on_10k      | 2    | 3   | 88.404mb -3.37%  | 3.082ms -10.70%  | ±0.58% -57.69%  |
| RowsBench               | bench_diff_left_1k_on_10k  | 2    | 3   | 103.942mb -1.20% | 188.573ms -1.91% | ±0.73% +74.61%  |
| RowsBench               | bench_diff_right_1k_on_10k | 2    | 3   | 86.662mb -1.44%  | 18.829ms -1.58%  | ±3.20% +298.49% |
| RowsBench               | bench_drop_1k_on_10k       | 2    | 3   | 89.644mb -3.73%  | 1.409ms -22.69%  | ±2.29% +276.41% |
| RowsBench               | bench_drop_right_1k_on_10k | 2    | 3   | 89.644mb -3.73%  | 1.404ms -23.68%  | ±0.49% -71.47%  |
| RowsBench               | bench_entries_on_10k       | 2    | 3   | 86.756mb -2.65%  | 2.272ms -16.69%  | ±0.59% -71.42%  |
| RowsBench               | bench_filter_on_10k        | 2    | 3   | 87.285mb -2.63%  | 17.460ms +17.59% | ±0.27% -70.26%  |
| RowsBench               | bench_find_on_10k          | 2    | 3   | 87.285mb -2.63%  | 17.720ms +19.40% | ±1.04% +156.82% |
| RowsBench               | bench_find_one_on_10k      | 10   | 3   | 85.190mb -1.77%  | 1.800μs -4.96%   | ±0.00% -100.00% |
| RowsBench               | bench_first_on_10k         | 10   | 3   | 85.190mb -1.77%  | 0.400μs 0.00%    | ±0.00% 0.00%    |
| RowsBench               | bench_flat_map_on_1k       | 2    | 3   | 94.700mb -2.58%  | 13.038ms +1.66%  | ±0.62% -68.33%  |
| RowsBench               | bench_map_on_10k           | 2    | 3   | 123.910mb -2.70% | 61.431ms +0.77%  | ±0.58% -58.38%  |
| RowsBench               | bench_merge_1k_on_10k      | 2    | 3   | 87.805mb -2.62%  | 1.305ms -10.08%  | ±2.77% +676.57% |
| RowsBench               | bench_partition_by_on_10k  | 2    | 3   | 91.095mb -2.52%  | 60.589ms +0.02%  | ±1.41% +95.97%  |
| RowsBench               | bench_remove_on_10k        | 2    | 3   | 89.906mb -3.72%  | 3.558ms -14.53%  | ±3.09% +70.91%  |
| RowsBench               | bench_sort_asc_on_1k       | 2    | 3   | 85.273mb -1.55%  | 41.121ms -0.89%  | ±1.13% +3.33%   |
| RowsBench               | bench_sort_by_on_1k        | 2    | 3   | 85.274mb -1.55%  | 40.829ms -16.78% | ±0.17% -94.87%  |
| RowsBench               | bench_sort_desc_on_1k      | 2    | 3   | 85.273mb -1.55%  | 43.029ms -2.44%  | ±0.97% -13.13%  |
| RowsBench               | bench_sort_entries_on_1k   | 2    | 3   | 87.631mb -1.72%  | 7.666ms +3.58%   | ±0.10% -84.07%  |
| RowsBench               | bench_sort_on_1k           | 2    | 3   | 85.190mb -1.55%  | 29.591ms +2.01%  | ±0.73% +246.97% |
| RowsBench               | bench_take_1k_on_10k       | 10   | 3   | 85.190mb -1.77%  | 12.642μs -6.12%  | ±2.57% +69.35%  |
| RowsBench               | bench_take_right_1k_on_10k | 10   | 3   | 85.190mb -1.77%  | 15.300μs -4.38%  | ±0.53% -47.71%  |
| RowsBench               | bench_unique_on_1k         | 2    | 3   | 103.943mb -1.20% | 192.421ms -1.59% | ±0.20% -77.30%  |
| TypeDetectorBench       | bench_type_detector        | 1    | 3   | 53.308mb -5.12%  | 402.387ms +1.17% | ±0.84% +30.50%  |
| TypeDetectorBench       | bench_type_detector        | 1    | 3   | 13.574mb -4.27%  | 80.633ms +1.75%  | ±0.17% -76.21%  |
| NativeEntryFactoryBench | bench_entry_factory        | 1    | 3   | 108.029mb -2.03% | 483.335ms +0.96% | ±0.83% -52.17%  |
| NativeEntryFactoryBench | bench_entry_factory        | 1    | 3   | 56.147mb -2.00%  | 246.773ms +2.54% | ±0.50% -72.43%  |
| NativeEntryFactoryBench | bench_entry_factory        | 1    | 3   | 14.794mb -1.66%  | 52.995ms -2.10%  | ±1.06% -49.02%  |
+-------------------------+----------------------------+------+-----+------------------+------------------+-----------------+