3v4l.org

run code in 300+ PHP versions simultaneously
<?php $size = pow(2, 15); // 16 is just an example, could also be 15 or 17 $startTime = microtime(true); $array = array(); for ($key = 0, $maxKey = $size - 1; $key <= $maxKey; ++$key) { $array[$key] = 0; } $endTime = microtime(true); echo 'Inserting ', $size, ' good elements took ', $endTime - $startTime, ' seconds', "\n"; $startTime = microtime(true); $array = array(); for ($key = 0, $maxKey = ($size - 1) * $size; $key <= $maxKey; $key += $size) { $array[$key] = 0; } $endTime = microtime(true); echo 'Inserting ', $size, ' evil elements took ', $endTime - $startTime, ' seconds', "\n";

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
7.4.00.0031.24116.83
7.3.120.0101.66617.11
7.3.110.0131.24716.94
7.3.100.0071.42117.21
7.3.90.0031.22317.10
7.3.80.0131.16016.84
7.3.70.0071.22316.96
7.3.60.0031.13217.20
7.3.50.0071.25917.09
7.3.40.0031.15616.75
7.3.30.0071.16916.98
7.3.20.0101.17118.62
7.3.10.0031.33518.65
7.3.00.0071.11318.69
7.2.250.0031.30017.24
7.2.240.0071.22717.32
7.2.230.0001.26817.32
7.2.220.0101.23017.32
7.2.210.0031.23117.10
7.2.200.0101.20417.27
7.2.190.0101.29216.91
7.2.180.0101.21616.98
7.2.170.0071.24417.23
7.2.00.0071.17621.30
7.1.330.0031.25717.96
7.1.320.0001.59617.71
7.1.310.0031.22018.01
7.1.300.0031.28817.62
7.1.290.0031.27017.64
7.1.280.0031.25717.59
7.1.270.0001.15317.56
7.1.260.0031.44517.74
7.1.70.0071.23919.00
7.1.60.0171.23519.46
7.1.50.0071.24418.77
7.1.00.0031.09724.17
7.0.200.0401.15316.89
7.0.140.0001.08024.07
7.0.60.0201.25022.01
7.0.50.0071.19719.73
7.0.40.0101.19720.11
7.0.30.0231.22719.98
7.0.20.0231.21320.16
7.0.10.0071.26720.00
7.0.00.0071.26320.12
5.6.280.0072.49325.48
5.6.210.0032.49725.04
5.6.200.0202.48022.44
5.6.190.0172.48324.84
5.6.180.0272.47324.62
5.6.170.0302.47024.73
5.6.160.0132.48724.62
5.6.150.0032.49722.45
5.6.140.1202.38022.44
5.6.130.0202.48022.50
5.6.120.0032.49725.37
5.6.110.0172.48325.38
5.6.100.0272.47325.50
5.6.90.0102.49025.39
5.6.80.0132.48724.88
5.5.350.4932.00324.71
5.5.340.0271.43025.18
5.5.330.0072.49324.50
5.5.320.0372.46324.54
5.5.310.0531.36725.15
5.5.300.0132.48722.32
5.5.290.0301.40025.29
5.5.280.0101.45325.23
5.5.270.0102.49025.24
5.5.260.0131.39025.26
5.5.250.0201.95725.11
5.5.240.0102.49024.53
5.4.450.0331.37723.60
5.4.440.0472.45023.55
5.4.430.0402.45723.56
5.4.420.0471.36023.46
5.4.410.0172.48023.58
5.4.400.0232.47323.37
5.4.390.0072.49023.34
5.4.380.0232.40323.52
5.4.370.0302.46723.33
5.4.360.0202.38723.36
5.4.350.0372.39323.35
5.4.340.0372.37723.36
5.4.320.0372.46023.38
5.4.310.0272.43023.34
5.4.300.0372.41023.21
5.4.290.0532.39023.31
5.4.280.0472.45023.55
5.4.270.3572.14023.09
5.4.260.0272.47023.37
5.4.250.0302.46723.07
5.4.240.0302.39723.29
5.4.230.0072.49023.33
5.4.220.0202.47723.36
5.4.210.0332.40023.21
5.4.200.0372.46023.36
5.4.190.0172.48023.11
5.4.180.0302.40323.34
5.4.170.0302.38323.39
5.4.160.0302.46323.35
5.4.150.0372.42723.31
5.4.140.3532.14320.69
5.4.130.0232.46320.70
5.4.120.0432.32720.66
5.4.110.0172.48020.77
5.4.100.0402.36020.56
5.4.90.0172.47720.78
5.4.80.0372.32720.64
5.4.70.0332.41020.72
5.4.60.0302.46720.66
5.4.50.0232.47320.71
5.4.40.0332.46320.49
5.4.30.0432.33720.57
5.4.20.0102.48720.70
5.4.10.0272.47020.62
5.4.00.0172.43320.11
5.3.290.3302.16718.94
5.3.280.0432.40018.74
5.3.270.3572.13018.77
5.3.260.3002.19718.67
5.3.250.0302.38318.73
5.3.240.3172.18018.80
5.3.230.0272.47018.66
5.3.220.0402.35018.71
5.3.210.0232.33018.70
5.3.200.0232.40318.70
5.3.190.0302.38718.73
5.3.180.0302.45718.64
5.3.170.0232.47318.73
5.3.160.0332.46718.74
5.3.150.0302.46718.64
5.3.140.0402.33718.80
5.3.130.0302.42018.72
5.3.120.0332.39718.73
5.3.110.0402.45718.70
5.3.100.0202.42318.17
5.3.90.0132.46718.20
5.3.80.0272.39318.20
5.3.70.0302.46718.16
5.3.60.0172.44318.07
5.3.50.4432.05017.98
5.3.40.0272.42017.97
5.3.30.0402.45718.03
5.3.20.0232.41317.79
5.3.10.0172.39317.72
5.3.00.0372.46017.65
5.2.170.0002.47315.04
5.2.160.0272.37014.85
5.2.150.0302.46714.95
5.2.140.0032.44714.87
5.2.130.0202.41714.95
5.2.120.0172.44015.10
5.2.110.0402.45714.95
5.2.100.0202.40014.82
5.2.90.5031.99014.93
5.2.80.0332.36715.01
5.2.70.0072.39714.95
5.2.60.0232.41714.91
5.2.50.0132.45714.80
5.2.40.0332.46314.93
5.2.30.0032.42014.73
5.2.20.0232.46714.81
5.2.10.0272.42714.67
5.2.00.0002.49714.66
5.1.60.0372.46015.62
5.1.50.0372.39315.49
5.1.40.0372.46015.40
5.1.30.0202.43715.84
5.1.20.0102.42015.89
5.1.10.0172.42715.58
5.1.00.0272.40715.62
5.0.50.0372.46314.11
5.0.40.0132.48314.06
5.0.30.0132.48713.88
5.0.20.2872.20713.88
5.0.10.0172.48013.83
5.0.00.0032.49313.88
4.4.90.0072.45011.40
4.4.80.0032.49313.88
4.4.70.0072.49013.80
4.4.60.0002.49713.84
4.4.50.0302.45011.46
4.4.40.0072.35311.53
4.4.30.0432.35011.40
4.4.20.0072.49013.84
4.4.10.0272.36011.67
4.4.00.0132.36011.41
4.3.110.0032.49313.87
4.3.100.0302.34011.39
4.3.90.0072.49013.91
4.3.80.0102.48713.90
4.3.70.0172.43711.35
4.3.60.0172.42311.34
4.3.50.0102.39711.58
4.3.40.0232.44011.64
4.3.30.0232.42710.30
4.3.20.0832.41313.91
4.3.10.0802.41713.91
4.3.00.0072.49013.91

preferences:
34.7 ms | 401 KiB | 5 Q