3v4l.org

run code in 500+ PHP versions simultaneously
<?php $array = array_merge(range(0, 100), array()); shuffle($array); const LOOPS = 1000; $b = hrtime(true); for ($i = 0; $i < LOOPS; ++$i) { $c = $array; $c = array_unique($c); } $e = hrtime(true); print number_format( ($e - $b) / 1_000_000, 2). " ms\n"; $b = hrtime(true); for ($i = 0; $i < LOOPS; ++$i) { $c = $array; $d = array_keys(array_count_values($c)); } $e = hrtime(true); print number_format(($e - $b) / 1_000_000, 2). " ms\n";
Output for 8.5.6
2.60 ms 0.90 ms
Output for 8.5.5
3.85 ms 1.15 ms
Output for 8.5.4
3.91 ms 1.63 ms
Output for 8.5.3
3.62 ms 1.71 ms
Output for 8.5.2
3.98 ms 1.72 ms
Output for 8.5.1
2.50 ms 1.16 ms
Output for 8.5.0
3.98 ms 1.66 ms
Output for 8.4.21
3.01 ms 1.05 ms
Output for 8.4.20
3.91 ms 1.55 ms
Output for 8.4.19
4.02 ms 1.67 ms
Output for 8.4.18
2.79 ms 1.03 ms
Output for 8.4.17
3.79 ms 1.61 ms
Output for 8.4.16
3.01 ms 1.54 ms
Output for 8.4.15
2.63 ms 1.09 ms
Output for 8.4.14
3.32 ms 1.27 ms
Output for 8.4.13
4.10 ms 1.76 ms
Output for 8.4.12
3.13 ms 1.09 ms
Output for 8.4.11
4.08 ms 1.71 ms
Output for 8.4.10
3.24 ms 1.74 ms
Output for 8.4.9
4.04 ms 1.67 ms
Output for 8.4.8
2.51 ms 0.92 ms
Output for 8.4.7
3.44 ms 1.74 ms
Output for 8.4.6
4.03 ms 1.72 ms
Output for 8.4.5
4.06 ms 1.67 ms
Output for 8.4.4
3.90 ms 1.83 ms
Output for 8.4.3
2.52 ms 0.90 ms
Output for 8.4.2
4.07 ms 1.68 ms
Output for 8.4.1
2.93 ms 0.94 ms
Output for 8.3.31
3.86 ms 1.61 ms
Output for 8.3.30
3.93 ms 1.61 ms
Output for 8.3.29
2.89 ms 0.98 ms
Output for 8.3.28
3.53 ms 1.07 ms
Output for 8.3.27
2.80 ms 0.88 ms
Output for 8.3.26
2.67 ms 0.98 ms
Output for 8.3.25
3.82 ms 1.61 ms
Output for 8.3.24
4.19 ms 1.73 ms
Output for 8.3.23
4.09 ms 1.68 ms
Output for 8.3.22
3.95 ms 1.69 ms
Output for 8.3.21
3.92 ms 1.67 ms
Output for 8.3.20
4.29 ms 1.69 ms
Output for 8.3.19
3.23 ms 1.09 ms
Output for 8.3.18
3.92 ms 1.59 ms
Output for 8.3.17
3.67 ms 1.81 ms
Output for 8.3.16
2.96 ms 1.03 ms
Output for 8.3.15
4.12 ms 1.17 ms
Output for 8.3.14
4.17 ms 1.66 ms
Output for 8.3.13
2.55 ms 0.95 ms
Output for 8.3.12
3.22 ms 1.35 ms
Output for 8.3.11
2.27 ms 0.88 ms
Output for 8.3.10
3.89 ms 1.72 ms
Output for 8.3.9
3.20 ms 1.11 ms
Output for 8.3.8
3.35 ms 1.04 ms
Output for 8.3.7
3.03 ms 1.27 ms
Output for 8.3.6
3.07 ms 0.97 ms
Output for 8.3.5
4.10 ms 1.72 ms
Output for 8.3.4
3.83 ms 1.66 ms
Output for 8.3.3
3.65 ms 1.58 ms
Output for 8.3.2
4.29 ms 1.63 ms
Output for 8.3.1
3.90 ms 1.65 ms
Output for 8.3.0
3.95 ms 1.61 ms
Output for 8.2.31
2.87 ms 1.51 ms

preferences:
53.63 ms | 734 KiB | 4 Q