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https://github.com/vjik/php-empty-vs-strict-equal-bench

Last synced: about 5 hours ago
JSON representation
Host: GitHub
URL: https://github.com/vjik/php-empty-vs-strict-equal-bench
Owner: vjik
License: bsd-3-clause
Created: 2023-05-03T08:38:42.000Z (over 1 year ago)
Default Branch: master
Last Pushed: 2024-01-29T14:25:33.000Z (10 months ago)
Last Synced: 2024-01-30T14:57:15.249Z (10 months ago)
Language: PHP
Homepage:
Size: 8.79 KB
Stars: 0
Watchers: 1
Forks: 1
Open Issues: 1
Metadata Files:
- Readme: README.md
- License: LICENSE.md
Awesome Lists containing this project

README

        # PHP `empty()` VS `===` Bench

Benchmark running:

```shell

vendor/bin/phpbench run --report=aggregate

```

## Results

With PHP version 8.0.28, xdebug ❌, opcache ❌:

```

+----------------------+------------------+-----+---------+-----+-----------+---------+--------+

| benchmark            | subject          | set | revs    | its | mem_peak  | mode    | rstdev |

+----------------------+------------------+-----+---------+-----+-----------+---------+--------+

| StringEmptyBench     | benchEmpty       |     | 1000000 | 20  | 694.456kb | 0.036μs | ±0.84% |

| StringEmptyBench     | benchStrictEqual |     | 1000000 | 20  | 694.472kb | 0.036μs | ±1.78% |

| ArrayNonEmptyBench   | benchEmpty       |     | 1000000 | 20  | 694.472kb | 0.036μs | ±2.49% |

| ArrayNonEmptyBench   | benchStrictEqual |     | 1000000 | 20  | 694.488kb | 0.050μs | ±1.56% |

| ObjectNullBench      | benchEmpty       |     | 1000000 | 20  | 694.456kb | 0.035μs | ±1.52% |

| ObjectNullBench      | benchStrictEqual |     | 1000000 | 20  | 694.472kb | 0.034μs | ±3.16% |

| IntegerNullBench     | benchEmpty       |     | 1000000 | 20  | 694.456kb | 0.035μs | ±2.08% |

| IntegerNullBench     | benchStrictEqual |     | 1000000 | 20  | 694.472kb | 0.034μs | ±1.14% |

| StringNonEmptyBench  | benchEmpty       |     | 1000000 | 20  | 694.472kb | 0.036μs | ±1.39% |

| StringNonEmptyBench  | benchStrictEqual |     | 1000000 | 20  | 694.488kb | 0.037μs | ±1.32% |

| ObjectNonEmptyBench  | benchEmpty       |     | 1000000 | 20  | 694.472kb | 0.036μs | ±2.54% |

| ObjectNonEmptyBench  | benchStrictEqual |     | 1000000 | 20  | 694.488kb | 0.043μs | ±0.84% |

| ArrayEmptyBench      | benchEmpty       |     | 1000000 | 20  | 694.456kb | 0.036μs | ±1.89% |

| ArrayEmptyBench      | benchStrictEqual |     | 1000000 | 20  | 694.472kb | 0.036μs | ±1.00% |

| IntegerNonEmptyBench | benchEmpty       |     | 1000000 | 20  | 694.488kb | 0.036μs | ±2.73% |

| IntegerNonEmptyBench | benchStrictEqual |     | 1000000 | 20  | 694.504kb | 0.033μs | ±2.45% |

+----------------------+------------------+-----+---------+-----+-----------+---------+--------+

```

With PHP version 8.1.18, xdebug ❌, opcache ❌:

```

+----------------------+------------------+-----+---------+-----+-----------+---------+---------+

| benchmark            | subject          | set | revs    | its | mem_peak  | mode    | rstdev  |

+----------------------+------------------+-----+---------+-----+-----------+---------+---------+

| StringEmptyBench     | benchEmpty       |     | 1000000 | 20  | 676.248kb | 0.036μs | ±1.58%  |

| StringEmptyBench     | benchStrictEqual |     | 1000000 | 20  | 676.264kb | 0.036μs | ±1.64%  |

| ArrayNonEmptyBench   | benchEmpty       |     | 1000000 | 20  | 676.264kb | 0.036μs | ±1.42%  |

| ArrayNonEmptyBench   | benchStrictEqual |     | 1000000 | 20  | 676.280kb | 0.050μs | ±1.44%  |

| ObjectNullBench      | benchEmpty       |     | 1000000 | 20  | 676.248kb | 0.035μs | ±4.13%  |

| ObjectNullBench      | benchStrictEqual |     | 1000000 | 20  | 676.264kb | 0.034μs | ±1.42%  |

| IntegerNullBench     | benchEmpty       |     | 1000000 | 20  | 676.248kb | 0.035μs | ±1.34%  |

| IntegerNullBench     | benchStrictEqual |     | 1000000 | 20  | 676.264kb | 0.034μs | ±2.21%  |

| StringNonEmptyBench  | benchEmpty       |     | 1000000 | 20  | 676.264kb | 0.036μs | ±1.73%  |

| StringNonEmptyBench  | benchStrictEqual |     | 1000000 | 20  | 676.792kb | 0.037μs | ±1.89%  |

| ObjectNonEmptyBench  | benchEmpty       |     | 1000000 | 20  | 676.264kb | 0.035μs | ±1.27%  |

| ObjectNonEmptyBench  | benchStrictEqual |     | 1000000 | 20  | 676.792kb | 0.044μs | ±2.50%  |

| ArrayEmptyBench      | benchEmpty       |     | 1000000 | 20  | 676.248kb | 0.036μs | ±1.23%  |

| ArrayEmptyBench      | benchStrictEqual |     | 1000000 | 20  | 676.264kb | 0.036μs | ±3.04%  |

| IntegerNonEmptyBench | benchEmpty       |     | 1000000 | 20  | 676.280kb | 0.036μs | ±1.06%  |

| IntegerNonEmptyBench | benchStrictEqual |     | 1000000 | 20  | 676.808kb | 0.034μs | ±12.83% |

+----------------------+------------------+-----+---------+-----+-----------+---------+---------+

```

With PHP version 8.2.5, xdebug ❌, opcache ❌:

```

+----------------------+------------------+-----+---------+-----+-----------+---------+--------+

| benchmark            | subject          | set | revs    | its | mem_peak  | mode    | rstdev |

+----------------------+------------------+-----+---------+-----+-----------+---------+--------+

| StringEmptyBench     | benchEmpty       |     | 1000000 | 20  | 671.944kb | 0.036μs | ±2.08% |

| StringEmptyBench     | benchStrictEqual |     | 1000000 | 20  | 671.960kb | 0.036μs | ±1.67% |

| ArrayNonEmptyBench   | benchEmpty       |     | 1000000 | 20  | 671.960kb | 0.036μs | ±1.88% |

| ArrayNonEmptyBench   | benchStrictEqual |     | 1000000 | 20  | 671.976kb | 0.050μs | ±2.08% |

| ObjectNullBench      | benchEmpty       |     | 1000000 | 20  | 671.944kb | 0.034μs | ±1.86% |

| ObjectNullBench      | benchStrictEqual |     | 1000000 | 20  | 671.960kb | 0.034μs | ±1.02% |

| IntegerNullBench     | benchEmpty       |     | 1000000 | 20  | 671.944kb | 0.034μs | ±7.57% |

| IntegerNullBench     | benchStrictEqual |     | 1000000 | 20  | 671.960kb | 0.034μs | ±1.56% |

| StringNonEmptyBench  | benchEmpty       |     | 1000000 | 20  | 671.960kb | 0.036μs | ±1.06% |

| StringNonEmptyBench  | benchStrictEqual |     | 1000000 | 20  | 672.488kb | 0.037μs | ±1.05% |

| ObjectNonEmptyBench  | benchEmpty       |     | 1000000 | 20  | 671.960kb | 0.036μs | ±1.61% |

| ObjectNonEmptyBench  | benchStrictEqual |     | 1000000 | 20  | 672.488kb | 0.043μs | ±1.23% |

| ArrayEmptyBench      | benchEmpty       |     | 1000000 | 20  | 671.944kb | 0.036μs | ±3.02% |

| ArrayEmptyBench      | benchStrictEqual |     | 1000000 | 20  | 671.960kb | 0.036μs | ±1.13% |

| IntegerNonEmptyBench | benchEmpty       |     | 1000000 | 20  | 671.976kb | 0.036μs | ±2.13% |

| IntegerNonEmptyBench | benchStrictEqual |     | 1000000 | 20  | 672.504kb | 0.034μs | ±7.52% |

+----------------------+------------------+-----+---------+-----+-----------+---------+--------+

```

## License

The package is free software. It is released under the terms of the BSD License.

Please see [`LICENSE`](./LICENSE.md) for more information.