3v4l.org

run code in 300+ PHP versions simultaneously
<?php $o = new stdClass; $o->{''} = '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)
8.3.40.0070.00718.67
8.3.30.0100.00320.13
8.3.20.0000.00818.77
8.3.10.0030.00620.90
8.3.00.0000.00823.66
8.2.170.0210.00022.96
8.2.160.0080.00820.52
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0000.00719.28
8.2.110.0060.00321.18
8.2.100.0060.00617.75
8.2.90.0000.00817.63
8.2.80.0000.00817.97
8.2.70.0000.00817.93
8.2.60.0000.00817.65
8.2.50.0050.00218.10
8.2.40.0030.00620.59
8.2.30.0000.00719.26
8.2.20.0040.00417.54
8.2.10.0070.00017.68
8.2.00.0070.00017.53
8.1.270.0050.00323.99
8.1.260.0050.00226.35
8.1.250.0050.00228.09
8.1.240.0030.00623.92
8.1.230.0040.00819.11
8.1.220.0030.00517.74
8.1.210.0050.00318.77
8.1.200.0030.00617.23
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0000.00818.65
8.1.160.0040.00418.82
8.1.150.0040.00418.56
8.1.140.0040.00417.43
8.1.130.0000.00717.80
8.1.120.0030.00317.31
8.1.110.0000.00817.39
8.1.100.0070.00017.38
8.1.90.0000.00717.22
8.1.80.0040.00417.34
8.1.70.0070.00017.38
8.1.60.0060.00317.52
8.1.50.0000.00717.34
8.1.40.0000.00817.42
8.1.30.0040.00417.46
8.1.20.0000.00717.56
8.1.10.0030.00617.41
8.1.00.0000.01017.33
8.0.300.0000.00719.56
8.0.290.0100.00016.63
8.0.280.0030.00318.38
8.0.270.0070.00017.17
8.0.260.0000.00816.70
8.0.250.0040.00416.92
8.0.240.0070.00016.87
8.0.230.0000.00716.89
8.0.220.0000.00716.82
8.0.210.0030.00316.84
8.0.200.0030.00316.86
8.0.190.0080.00016.95
8.0.180.0000.00716.83
8.0.170.0040.00416.77
8.0.160.0040.00416.77
8.0.150.0040.00416.77
8.0.140.0080.00316.75
8.0.130.0000.00513.26
8.0.120.0030.00616.80
8.0.110.0040.00416.81
8.0.100.0040.00416.71
8.0.90.0040.00416.83
8.0.80.0030.01316.81
8.0.70.0040.00416.71
8.0.60.0080.00016.87
8.0.50.0080.00016.81
8.0.30.0140.00416.94
8.0.20.0100.00817.40
8.0.10.0050.00316.96
8.0.00.0100.01016.73
7.4.330.0030.00316.67
7.4.320.0000.00716.54
7.4.300.0030.00316.55
7.4.290.0060.00016.48
7.4.280.0070.00016.42
7.4.270.0030.00316.52
7.4.260.0000.00613.13
7.4.250.0040.00416.48
7.4.240.0040.00416.53
7.4.230.0000.00616.56
7.4.220.0040.01516.37
7.4.210.0070.01016.50
7.4.200.0070.00016.24
7.4.190.0030.00316.61
7.4.160.0090.00616.47
7.4.150.0070.01017.40
7.4.140.0100.00917.86
7.4.130.0070.00916.34
7.4.120.0080.00916.36
7.4.110.0140.01016.30
7.4.100.0070.01116.25
7.4.90.0070.01116.41
7.4.80.0070.01019.39
7.4.70.0130.00616.34
7.4.60.0100.00716.32
7.4.50.0080.00016.39
7.4.40.0000.01022.77
7.4.30.0030.01416.54
7.4.00.0070.00814.65
7.3.330.0000.00513.08
7.3.320.0000.00513.04
7.3.310.0060.00016.06
7.3.300.0030.00316.21
7.3.290.0100.00416.18
7.3.280.0080.01316.25
7.3.270.0130.00417.40
7.3.260.0120.00818.24
7.3.250.0120.00716.09
7.3.240.0070.01016.36
7.3.230.0110.00716.39
7.3.210.0070.01116.50
7.3.200.0180.00319.39
7.3.190.0100.01016.27
7.3.180.0120.00316.34
7.3.170.0120.00916.34
7.3.160.0040.01716.33
7.3.120.0070.00914.74
7.3.110.0100.01014.48
7.3.100.0130.00014.73
7.3.90.0030.01314.77
7.3.80.0070.00714.52
7.3.70.0070.01014.71
7.3.60.0100.00714.81
7.3.50.0100.00414.71
7.3.40.0000.01414.57
7.3.30.0100.00314.46
7.3.20.0090.00616.63
7.3.10.0000.01516.53
7.3.00.0060.00616.57
7.2.330.0100.01016.59
7.2.320.0090.01216.32
7.2.310.0100.01416.41
7.2.300.0060.01216.45
7.2.290.0080.00816.44
7.2.250.0060.01314.83
7.2.240.0040.01514.82
7.2.230.0120.00014.88
7.2.220.0040.01114.52
7.2.210.0060.00614.81
7.2.200.0070.00714.70
7.2.190.0000.00914.63
7.2.180.0030.01314.71
7.2.170.0140.00314.95
7.2.60.0040.01116.88
7.2.00.0130.01319.16
7.1.330.0030.01315.67
7.1.320.0000.01115.65
7.1.310.0090.00615.68
7.1.300.0060.00315.64
7.1.290.0090.00615.54
7.1.280.0030.00615.69
7.1.270.0100.00315.52
7.1.260.0070.00715.43
7.1.200.0100.00315.57
7.1.100.0040.00818.03
7.1.70.0100.00017.00
7.1.60.0100.00719.17
7.1.50.0210.01834.67
7.1.00.0070.07322.25
7.0.200.0030.01016.79
7.0.140.0030.07322.08
7.0.100.0030.04319.93
7.0.90.0100.05019.96
7.0.80.0200.04319.93
7.0.70.0170.05020.12
7.0.60.0070.07320.07
7.0.50.0070.08320.38
7.0.40.0070.07320.15
7.0.30.0100.07320.13
7.0.20.0130.07320.01
7.0.10.0200.06720.11
7.0.00.0100.08719.95
5.6.280.0000.07720.98
5.6.250.0130.08020.60
5.6.240.0170.07720.68
5.6.230.0070.08320.54
5.6.220.0200.07320.66
5.6.210.0170.07020.49
5.6.200.0100.08321.04
5.6.190.0030.06020.95
5.6.180.0100.04321.00
5.6.170.0070.08321.04
5.6.160.0170.07321.04
5.6.150.0130.07721.13
5.6.140.0030.05721.13
5.6.130.0100.08321.01
5.6.120.0100.08020.93
5.6.110.0130.07721.07
5.6.100.0030.05020.93
5.6.90.0070.04021.10
5.6.80.0070.04320.51
5.6.70.0070.03720.41
5.6.60.0070.03720.50
5.6.50.0000.04320.32
5.6.40.0000.04320.38
5.6.30.0030.03720.36
5.6.20.0070.07720.41
5.6.10.0030.05720.37
5.6.00.0030.07320.44
5.5.380.0130.07320.41
5.5.370.0070.08320.41
5.5.360.0030.08720.32
5.5.350.0070.05720.39
5.5.340.0030.05020.85
5.5.330.0030.09320.84
5.5.320.0170.07720.92
5.5.310.0100.08020.72
5.5.300.0200.06020.91
5.5.290.0130.07720.79
5.5.280.0070.07720.79
5.5.270.0130.07320.63
5.5.260.0070.05320.82
5.5.250.0100.05020.68
5.5.240.0030.04720.31
5.5.230.0100.03720.20
5.5.220.0130.03720.19
5.5.210.0070.05320.02
5.5.200.0000.04020.27
5.5.190.0030.03720.23
5.5.180.0030.04020.07
5.5.160.0030.08020.20
5.5.150.0000.04320.23
5.5.140.0070.08020.23
5.5.130.0030.05720.18
5.5.120.0030.04020.10
5.5.110.0030.04320.07
5.5.100.0030.04020.07
5.5.90.0100.03320.06
5.5.80.0000.04720.14
5.5.70.0030.04020.05
5.5.60.0030.04320.11
5.5.50.0130.03020.04
5.5.40.0130.03019.93
5.5.30.0000.04320.04
5.5.20.0100.03719.95
5.5.10.0030.04020.00
5.5.00.0070.03720.02
5.4.450.0170.07719.56
5.4.440.0070.08319.47
5.4.430.0100.08319.35
5.4.420.0070.06019.22
5.4.410.0030.04019.22
5.4.400.0100.03319.14
5.4.390.0170.03318.96
5.4.380.0070.03319.03
5.4.370.0000.04018.98
5.4.360.0070.03319.16
5.4.350.0000.04718.84
5.4.340.0130.03319.02
5.4.320.0070.08018.98
5.4.310.0030.03719.02
5.4.300.0100.04719.22
5.4.290.0000.05319.22
5.4.280.0030.04019.09
5.4.270.0070.05719.24
5.4.260.0000.04019.02
5.4.250.0070.03318.95
5.4.240.0030.04019.05
5.4.230.0100.03318.99
5.4.220.0070.04018.89
5.4.210.0030.03719.05
5.4.200.0030.03719.07
5.4.190.0000.04018.80
5.4.180.0000.04019.13
5.4.170.0000.03719.04
5.4.160.0070.03319.01
5.4.150.0070.03318.92
5.4.140.0000.04016.33
5.4.130.0070.03016.27
5.4.120.0030.03716.36
5.4.110.0000.04316.23
5.4.100.0000.04316.23
5.4.90.0030.03716.20
5.4.80.0100.03016.20
5.4.70.0000.04016.38
5.4.60.0030.04316.29
5.4.50.0070.03016.39
5.4.40.0030.04016.23
5.4.30.0070.03016.30
5.4.20.0100.06316.32
5.4.10.0130.06716.23
5.4.00.0100.06715.73
5.3.290.0030.03314.65
5.3.280.0000.04014.54
5.3.270.0100.03714.46
5.3.260.0100.03014.59
5.3.250.0030.03714.57
5.3.240.0030.04014.43
5.3.230.0000.04314.59
5.3.220.0000.04014.42
5.3.210.0030.03714.56
5.3.200.0030.03714.56
5.3.190.0000.04014.39
5.3.180.0100.03714.54
5.3.170.0030.03014.52
5.3.160.0100.03314.55
5.3.150.0030.03714.38
5.3.140.0100.03314.39
5.3.130.0000.05014.50
5.3.120.0030.07314.39
5.3.110.0070.04714.54
5.3.100.0000.08014.00
5.3.90.0130.05713.88
5.3.80.0070.06314.00
5.3.70.0030.07714.00
5.3.60.0030.07013.96
5.3.50.0070.04313.82
5.3.40.0170.05713.95
5.3.30.0100.06013.77
5.3.20.0100.03713.54
5.3.10.0100.07013.48
5.3.00.0130.07013.50
5.2.170.0070.06312.69
5.2.160.0100.05312.69
5.2.150.0070.03012.69
5.2.140.0100.06012.69
5.2.130.0030.06312.69
5.2.120.0070.04712.69
5.2.110.0030.06012.69
5.2.100.0030.03712.69
5.2.90.0000.06712.69
5.2.80.0070.02712.69
5.2.70.0000.04012.69
5.2.60.0070.03712.69
5.2.50.0030.04312.69
5.2.40.0100.05712.69
5.2.30.0030.03312.69
5.2.20.0130.05312.69
5.2.10.0070.05312.69
5.2.00.0100.06012.69
5.1.60.0070.05012.69
5.1.50.0000.05312.69
5.1.40.0000.05712.69
5.1.30.0100.03712.69
5.1.20.0070.05712.69
5.1.10.0030.04312.69
5.1.00.0070.05712.69
5.0.50.0070.04312.69
5.0.40.0070.04012.69
5.0.30.0030.06712.69
5.0.20.0030.04312.69
5.0.10.0000.04012.69
5.0.00.0000.06712.69
4.4.90.0030.03312.69
4.4.80.0030.02012.69
4.4.70.0030.02712.69
4.4.60.0030.03012.69
4.4.50.0030.03712.69
4.4.40.0070.05312.69
4.4.30.0000.02712.69
4.4.20.0000.01712.69
4.4.10.0000.03312.69
4.4.00.0070.05312.69
4.3.110.0070.02712.69
4.3.100.0030.03012.69
4.3.90.0100.02712.69
4.3.80.0030.05312.69
4.3.70.0000.03012.69
4.3.60.0030.03312.69
4.3.50.0000.04012.69
4.3.40.0030.04312.69
4.3.30.0030.03312.69
4.3.20.0030.03312.69
4.3.10.0000.03712.69
4.3.00.0030.03712.69

preferences:
57.58 ms | 400 KiB | 5 Q