3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('a', (PHP_INT_MAX-1) => 'b', 'a' => 'b','c'); //unset($a[4]); //unset($a[5]); ///$a[4] = 'clement'; //array_push($a, 'c'); var_dump($a);

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)
8.3.70.0040.01118.31
8.3.60.0090.00618.18
8.3.50.0160.00522.07
8.3.40.0080.00818.65
8.3.30.0100.00318.84
8.3.20.0030.00620.03
8.3.10.0050.00320.21
8.3.00.0040.00417.09
8.2.180.0140.00716.38
8.2.170.0040.01122.96
8.2.160.0100.00320.53
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00422.14
8.2.110.0070.00319.31
8.2.100.0030.00918.03
8.2.90.0080.00019.00
8.2.80.0080.00017.97
8.2.70.0000.00817.38
8.2.60.0030.00617.68
8.2.50.0120.00418.07
8.2.40.0030.00618.22
8.2.30.0050.00217.98
8.2.20.0000.00917.59
8.2.10.0000.00717.84
8.2.00.0030.00517.70
8.1.280.0070.00725.92
8.1.270.0030.00623.84
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0040.00422.48
8.1.230.0100.00019.09
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0050.00317.23
8.1.180.0040.00418.10
8.1.170.0040.00418.51
8.1.160.0040.00421.90
8.1.150.0050.00218.86
8.1.140.0070.00017.25
8.1.130.0040.00417.81
8.1.120.0020.00517.43
8.1.110.0000.00817.40
8.1.100.0000.00717.27
8.1.90.0000.00717.38
8.1.80.0000.00717.41
8.1.70.0030.00317.33
8.1.60.0040.00817.54
8.1.50.0040.00417.44
8.1.40.0000.00917.42
8.1.30.0090.00017.57
8.1.20.0040.00417.58
8.1.10.0000.00717.48
8.1.00.0030.00617.37
8.0.300.0080.00018.77
8.0.290.0040.00416.63
8.0.280.0050.00218.38
8.0.270.0030.00317.05
8.0.260.0000.00717.24
8.0.250.0000.00616.83
8.0.240.0030.00316.86
8.0.230.0000.00716.82
8.0.220.0030.00316.76
8.0.210.0030.00316.86
8.0.200.0030.00316.73
8.0.190.0030.00716.75
8.0.180.0000.00716.72
8.0.170.0040.00416.89
8.0.160.0030.00516.79
8.0.150.0000.00716.70
8.0.140.0060.00316.79
8.0.130.0000.00513.25
8.0.120.0050.00316.74
8.0.110.0040.00416.71
8.0.100.0050.00316.84
8.0.90.0000.00716.70
8.0.80.0080.00816.87
8.0.70.0050.00216.76
8.0.60.0000.00716.72
8.0.50.0040.00416.70
8.0.30.0110.01117.02
8.0.20.0110.00917.40
8.0.10.0070.00016.93
8.0.00.0100.00816.64
7.4.330.0060.00015.07
7.4.320.0030.00316.41
7.4.300.0040.00416.57
7.4.290.0070.00016.51
7.4.280.0030.00616.56
7.4.270.0030.00316.33
7.4.260.0040.00416.47
7.4.250.0000.00716.32
7.4.240.0050.00316.46
7.4.230.0070.00016.63
7.4.220.0040.01516.34
7.4.210.0130.00316.60
7.4.200.0070.00016.50
7.4.160.0000.01616.37
7.4.150.0110.00817.40
7.4.140.0100.00817.86
7.4.130.0080.01216.33
7.4.120.0110.00616.51
7.4.110.0100.00716.46
7.4.100.0090.00616.52
7.4.90.0110.00716.41
7.4.80.0130.00619.39
7.4.70.0040.01216.35
7.4.60.0060.01016.43
7.4.50.0030.00316.41
7.4.40.0120.00916.19
7.4.30.0110.01116.23
7.4.00.0110.00715.10
7.3.330.0020.00213.01
7.3.320.0020.00212.97
7.3.310.0030.00315.96
7.3.300.0060.00016.11
7.3.290.0100.00716.11
7.3.280.0110.00916.09
7.3.270.0100.02017.40
7.3.260.0150.00316.29
7.3.250.0070.01016.17
7.3.240.0100.00716.20
7.3.230.0120.00816.39
7.3.210.0100.01316.18
7.3.200.0120.00919.39
7.3.190.0100.00716.54
7.3.180.0000.01616.11
7.3.170.0040.01216.30
7.3.160.0030.01316.07
7.2.330.0080.01116.21
7.2.320.0070.01016.57
7.2.310.0060.01516.52
7.2.300.0070.01016.58
7.2.290.0060.01816.27
7.2.60.0070.00316.75
7.1.200.0000.00915.66
7.1.70.0070.00317.12
7.1.60.0030.00717.29
7.1.50.0040.00716.84
7.1.00.0000.08022.57
7.0.200.0040.01416.68
7.0.140.0070.07021.97
7.0.60.0100.07019.99
7.0.50.0030.08317.80
7.0.40.0130.08320.08
7.0.30.0300.04720.18
7.0.20.0200.04320.04
7.0.10.0300.09020.02
7.0.00.0130.07020.20
5.6.280.0000.07320.75
5.6.210.0070.07720.64
5.6.200.0130.06318.23
5.6.190.0070.06320.63
5.6.180.3930.03320.49
5.6.170.0330.06320.47
5.6.160.0070.05020.54
5.6.150.0130.03318.14
5.6.140.0100.08018.18
5.6.130.0000.04318.20
5.6.120.0130.05721.11
5.6.110.0100.06320.97
5.6.100.0030.04720.98
5.6.90.0030.06320.98
5.6.80.0000.05020.37
5.6.70.3330.02720.39
5.5.350.0270.07720.29
5.5.340.0030.06317.95
5.5.330.0070.08320.27
5.5.320.0130.04320.21
5.5.310.0270.07320.34
5.5.300.0100.07717.91
5.5.290.0100.05017.92
5.5.280.0100.04020.97
5.5.270.0030.08720.92
5.5.260.0130.08020.85
5.5.250.0100.07720.61
5.5.240.0030.06320.06
5.4.450.0670.04719.55
5.4.440.0670.07319.17
5.4.430.0100.05719.48
5.4.420.0670.00019.68
5.4.410.0770.00019.38
5.4.400.0700.00019.03
5.4.390.0670.00019.07
5.4.380.0670.00019.05
5.4.370.0600.00019.08
5.4.360.0630.00019.05
5.4.350.0670.00019.00
5.4.340.0800.00019.15
5.4.320.0070.03512.45
5.4.310.0060.03712.45
5.4.300.0040.03812.45
5.4.290.0060.03712.45
5.4.280.0030.03812.35
5.4.270.0040.03812.34
5.4.260.0070.03612.34
5.4.250.0070.03512.34
5.4.240.0020.04012.35
5.4.230.0060.03812.34
5.4.220.0030.03912.34
5.4.210.0050.03512.34
5.4.200.0050.03812.34
5.4.190.0070.03912.34
5.4.180.0080.03312.33
5.4.170.0060.03512.34
5.4.160.0080.03612.34
5.4.150.0070.03512.34
5.4.140.0080.04212.02
5.4.130.0040.04112.01
5.4.120.0060.03711.96
5.4.110.0060.03611.96
5.4.100.0020.03911.96
5.4.90.0080.03511.96
5.4.80.0050.04011.96
5.4.70.0060.03411.96
5.4.60.0060.03511.96
5.4.50.0050.03611.96
5.4.40.0040.03611.95
5.4.30.0040.03611.95
5.4.20.0060.03411.95
5.4.10.0060.03511.95
5.4.00.0040.03711.43
5.3.290.0050.03912.80
5.3.280.0040.04412.71
5.3.270.0050.04912.72
5.3.260.0050.04512.72
5.3.250.0040.03812.72
5.3.240.0040.03912.72
5.3.230.0050.03812.71
5.3.220.0060.03512.68
5.3.210.0050.03912.68
5.3.200.0070.03512.68
5.3.190.0050.03812.68
5.3.180.0050.04112.68
5.3.170.0110.03112.67
5.3.160.0070.03412.67
5.3.150.0040.04012.67
5.3.140.0090.04112.66
5.3.130.0030.04412.66
5.3.120.0060.04012.66
5.3.110.0040.04112.66
5.3.100.0090.03412.12
5.3.90.0080.03412.09
5.3.80.0050.03712.07
5.3.70.0060.03812.07
5.3.60.0090.03812.06
5.3.50.0060.03512.00
5.3.40.0070.03812.00
5.3.30.0070.03311.94
5.3.20.0020.03911.72
5.3.10.0060.04311.69
5.3.00.0080.03711.68
5.2.170.0050.0359.18
5.2.160.0070.0269.18
5.2.150.0040.0329.18
5.2.140.0080.0299.18
5.2.130.0060.0279.14
5.2.120.0030.0309.13
5.2.110.0050.0289.14
5.2.100.0050.0279.14
5.2.90.0070.0299.14
5.2.80.0040.0309.13
5.2.70.0050.0319.13
5.2.60.0050.0299.08
5.2.50.0040.0309.05
5.2.40.0060.0269.03
5.2.30.0030.0319.01
5.2.20.0050.0279.00
5.2.10.0070.0258.91
5.2.00.0030.0308.77
5.1.60.0040.0238.06
5.1.50.0050.0248.06
5.1.40.0040.0248.04
5.1.30.0020.0278.39
5.1.20.0080.0228.41
5.1.10.0040.0268.14
5.1.00.0050.0248.14
5.0.50.0040.0196.62
5.0.40.0030.0196.47
5.0.30.0090.0256.28
5.0.20.0060.0166.25
5.0.10.0060.0176.23
5.0.00.0050.0286.23
4.4.90.0030.0154.77
4.4.80.0020.0164.75
4.4.70.0030.0154.76
4.4.60.0050.0134.76
4.4.50.0030.0144.77
4.4.40.0050.0224.71
4.4.30.0020.0154.76
4.4.20.0030.0224.85
4.4.10.0020.0164.85
4.4.00.0030.0244.76
4.3.110.0010.0174.66
4.3.100.0020.0154.67
4.3.90.0010.0244.63
4.3.80.0030.0254.58
4.3.70.0040.0124.63
4.3.60.0010.0164.62
4.3.50.0030.0154.63
4.3.40.0030.0254.54
4.3.30.0020.0163.29
4.3.20.0020.0163.27
4.3.10.0040.0133.23
4.3.00.0100.02716.50

preferences:
57.43 ms | 401 KiB | 5 Q