3v4l.org

run code in 300+ PHP versions simultaneously
<?php $o = new stdClass(); $b = 'a'; $o->a = array ( 'foo' => 1, 'bar' => 2 ); unset($o->{$b}['foo']); var_dump($o);

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)
8.3.60.0180.00416.50
8.3.50.0120.00721.93
8.3.40.0000.01418.91
8.3.30.0030.01018.92
8.3.20.0040.00420.20
8.3.10.0040.00423.61
8.3.00.0040.00419.25
8.2.180.0150.00418.54
8.2.170.0000.01422.96
8.2.160.0100.00322.21
8.2.150.0070.00024.18
8.2.140.0030.00524.66
8.2.130.0080.00026.16
8.2.120.0040.00422.26
8.2.110.0030.00622.04
8.2.100.0130.00317.72
8.2.90.0000.00719.18
8.2.80.0060.00317.97
8.2.70.0070.00317.63
8.2.60.0000.00718.05
8.2.50.0040.00418.07
8.2.40.0000.00819.72
8.2.30.0040.00418.04
8.2.20.0000.00817.57
8.2.10.0050.00318.05
8.2.00.0100.00017.73
8.1.280.0090.01225.92
8.1.270.0080.00024.02
8.1.260.0060.00326.35
8.1.250.0070.00028.09
8.1.240.0060.00322.10
8.1.230.0110.00019.04
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.00
8.1.190.0050.00317.23
8.1.180.0000.00918.88
8.1.170.0030.00618.59
8.1.160.0040.00421.81
8.1.150.0030.00518.48
8.1.140.0000.00717.43
8.1.130.0070.00017.76
8.1.120.0000.00717.37
8.1.110.0070.00417.42
8.1.100.0070.00017.27
8.1.90.0040.00417.33
8.1.80.0040.00417.29
8.1.70.0000.00717.37
8.1.60.0000.00917.53
8.1.50.0000.00917.50
8.1.40.0040.00417.38
8.1.30.0030.00617.60
8.1.20.0090.00017.41
8.1.10.0030.00617.47
8.1.00.0000.00717.38
8.0.300.0040.00418.77
8.0.290.0040.00417.05
8.0.280.0070.00018.39
8.0.270.0000.00717.18
8.0.260.0000.00717.32
8.0.250.0070.00016.79
8.0.240.0030.00316.88
8.0.230.0040.00416.89
8.0.220.0040.00416.80
8.0.210.0080.00016.73
8.0.200.0070.00016.90
8.0.190.0040.00416.77
8.0.180.0000.00716.80
8.0.170.0000.00816.80
8.0.160.0030.00316.88
8.0.150.0030.00816.79
8.0.140.0030.00516.80
8.0.130.0060.00313.32
8.0.120.0030.00616.69
8.0.110.0040.00416.66
8.0.100.0070.00016.62
8.0.90.0000.00816.70
8.0.80.0030.01816.84
8.0.70.0000.00716.70
8.0.60.0040.00416.71
8.0.50.0080.00016.85
8.0.30.0080.01016.89
8.0.20.0150.00817.40
8.0.10.0040.00416.88
8.0.00.0090.00816.66
7.4.330.0060.00015.00
7.4.320.0000.00616.52
7.4.300.0030.00316.50
7.4.290.0030.00316.50
7.4.280.0070.00316.60
7.4.270.0000.00716.62
7.4.260.0000.00716.45
7.4.250.0000.00716.45
7.4.240.0050.00216.50
7.4.230.0070.00016.58
7.4.220.0160.01016.48
7.4.210.0060.01016.54
7.4.200.0030.00316.62
7.4.190.0070.00016.36
7.4.160.0060.00916.28
7.4.150.0030.01617.40
7.4.140.0110.00717.86
7.4.130.0110.00716.42
7.4.120.0100.00716.49
7.4.110.0090.00916.56
7.4.100.0030.01716.67
7.4.90.0070.01016.27
7.4.80.0180.00319.39
7.4.70.0130.00316.30
7.4.60.0200.00316.39
7.4.50.0000.00916.36
7.4.40.0120.00416.57
7.4.30.0030.01316.60
7.4.00.0000.01515.01
7.3.330.0000.00913.08
7.3.320.0030.00313.18
7.3.310.0000.00716.19
7.3.300.0070.00016.10
7.3.290.0040.01116.21
7.3.280.0120.00816.26
7.3.270.0110.00917.40
7.3.260.0110.00716.70
7.3.250.0080.01016.24
7.3.240.0120.00416.27
7.3.230.0130.00316.42
7.3.210.0140.00416.14
7.3.200.0090.01319.39
7.3.190.0090.00916.32
7.3.180.0090.00616.20
7.3.170.0080.00816.27
7.3.160.0060.01616.51
7.3.120.0060.00914.93
7.2.330.0130.00616.64
7.2.320.0140.00316.46
7.2.310.0060.01016.34
7.2.300.0120.00616.37
7.2.290.0180.00016.61
7.2.110.0300.00716.56
7.2.00.0000.01419.38
7.1.100.0040.00818.15
7.1.70.0000.00817.21
7.1.60.0030.02119.46
7.1.50.0080.01316.90
7.1.00.0100.07022.54
7.0.200.3790.00314.63
7.0.140.0030.07321.99
7.0.60.0100.03720.04
7.0.50.0070.03717.91
7.0.40.0100.08720.04
7.0.30.0370.07320.00
7.0.20.0270.04720.20
7.0.10.0000.04720.00
7.0.00.0030.04020.12
5.6.280.0070.07021.12
5.6.210.0130.06020.51
5.6.200.0030.04018.16
5.6.190.0100.03320.64
5.6.180.0130.04320.57
5.6.170.0330.05720.50
5.6.160.0030.08720.41
5.6.150.0130.07018.18
5.6.140.0030.07018.21
5.6.130.0100.07318.07
5.6.120.0100.06720.99
5.6.110.0030.05321.02
5.6.100.0130.08021.10
5.6.90.0130.07720.96
5.6.80.0170.06320.46
5.5.350.4170.04320.44
5.5.340.0000.04717.95
5.5.330.0030.08320.37
5.5.320.0330.07720.17
5.5.310.0230.04320.27
5.5.300.0100.06317.95
5.5.290.0030.04017.97
5.5.280.0030.09320.68
5.5.270.0070.04320.79
5.5.260.0070.06020.86
5.5.250.0170.07020.57
5.5.240.0070.07020.36
5.4.450.0100.06319.47
5.4.440.0270.05719.63
5.4.430.0400.06319.44
5.4.420.0230.05019.47
5.4.410.0200.07019.14
5.4.400.0230.06319.00
5.4.390.0170.07319.16
5.4.380.0700.05718.63
5.4.370.0270.05318.69
5.4.360.0430.06018.50
5.4.350.0400.05718.72
5.4.340.0300.05018.70
5.4.320.0060.04112.45
5.4.310.0070.05112.45
5.4.300.0060.05312.46
5.4.290.0140.05812.45
5.4.280.0100.04512.35
5.4.270.0080.05112.35
5.4.260.0080.06212.35
5.4.250.0120.04812.35
5.4.240.0050.04312.35
5.4.230.0040.05812.34
5.4.220.0130.04812.34
5.4.210.0090.03812.34
5.4.200.0070.04512.34
5.4.190.0080.05012.34
5.4.180.0190.05112.34
5.4.170.0080.04712.35
5.4.160.0090.04312.34
5.4.150.0100.04312.34
5.4.140.0070.04912.02
5.4.130.0120.04512.01
5.4.120.0080.04611.97
5.4.110.0110.04611.96
5.4.100.0110.03511.96
5.4.90.0070.03911.96
5.4.80.0100.05511.97
5.4.70.0090.04111.96
5.4.60.0120.05711.96
5.4.50.0120.06311.96
5.4.40.0130.10511.95
5.4.30.0100.04911.95
5.4.20.0100.05311.95
5.4.10.0110.05111.95
5.4.00.0110.05011.44
5.3.290.0070.04112.80
5.3.280.0170.05012.71
5.3.270.0110.05312.72
5.3.260.0100.05512.72
5.3.250.0110.04812.72
5.3.240.0090.05112.72
5.3.230.0090.05312.71
5.3.220.0100.05712.68
5.3.210.0110.05512.68
5.3.200.0080.06312.68
5.3.190.0070.04112.67
5.3.180.0080.03612.67
5.3.170.0090.05312.67
5.3.160.0130.04312.68
5.3.150.0100.05312.67
5.3.140.0090.05312.66
5.3.130.0130.04812.66
5.3.120.0090.05112.65
5.3.110.0090.05112.66
5.3.100.0120.04512.12
5.3.90.0080.03912.08
5.3.80.0050.04012.08
5.3.70.0070.03812.07
5.3.60.0080.04212.07
5.3.50.0090.03812.00
5.3.40.0090.04712.00
5.3.30.0110.06711.95
5.3.20.0090.04911.72
5.3.10.0130.04711.69
5.3.00.0110.04611.68
5.2.170.0070.0309.18
5.2.160.0040.0329.18
5.2.150.0030.0339.18
5.2.140.0040.0319.17
5.2.130.0040.0309.14
5.2.120.0090.0279.14
5.2.110.0040.0309.14
5.2.100.0050.0299.14
5.2.90.0050.0309.14
5.2.80.0090.0289.14
5.2.70.0110.0269.13
5.2.60.0030.0369.08
5.2.50.0060.0389.05
5.2.40.0040.0339.03
5.2.30.0030.0369.01
5.2.20.0050.0379.00
5.2.10.0150.0408.92
5.2.00.0130.0438.78
5.1.60.0060.0388.06
5.1.50.0040.0368.06
5.1.40.0070.0368.04
5.1.30.0100.0458.39
5.1.20.0080.0408.41
5.1.10.0100.0328.14
5.1.00.0100.0358.14
5.0.50.0060.0306.61
5.0.40.0030.0306.47
5.0.30.0050.0466.29
5.0.20.0060.0286.26
5.0.10.0070.0286.23
5.0.00.0060.0416.23
4.4.90.0070.0404.78
4.4.80.0070.0214.76
4.4.70.0060.0284.75
4.4.60.0060.0334.75
4.4.50.0030.0224.77
4.4.40.0030.0324.71
4.4.30.0020.0234.76
4.4.20.0040.0224.84
4.4.10.0020.0254.85
4.4.00.0060.0384.75
4.3.110.0040.0224.67
4.3.100.0050.0274.66
4.3.90.0030.0234.63
4.3.80.0040.0324.58
4.3.70.0030.0224.63
4.3.60.0040.0214.63
4.3.50.0050.0354.63
4.3.40.0040.0314.54
4.3.30.0010.0203.28
4.3.20.0030.0193.26
4.3.10.0000.0183.21
4.3.00.0030.0309.21

preferences:
35.7 ms | 401 KiB | 5 Q