3v4l.org

run code in 300+ PHP versions simultaneously
<?php $st = new stdClass(); $st->t = new stdClass(); if (empty($st->t)) echo '1'; if (empty($st->t->r)) echo 2; if (empty($st->r->z->y)) echo 3;

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)
8.3.70.0090.00616.58
8.3.60.0090.00618.31
8.3.50.0140.00722.05
8.3.40.0170.00318.66
8.3.30.0100.00719.17
8.3.20.0140.00420.18
8.3.10.0040.00421.73
8.3.00.0030.00517.77
8.2.180.0150.00616.63
8.2.170.0070.01422.96
8.2.160.0000.01420.19
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0030.01026.16
8.2.120.0040.00421.02
8.2.110.0040.00720.94
8.2.100.0080.00317.85
8.2.90.0030.00518.28
8.2.80.0050.00317.97
8.2.70.0000.00817.63
8.2.60.0090.00017.80
8.2.50.0040.00418.07
8.2.40.0080.00019.95
8.2.30.0030.00618.02
8.2.20.0040.00417.62
8.2.10.0000.00718.03
8.2.00.0070.00017.49
8.1.280.0120.00625.92
8.1.270.0050.00323.81
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00023.88
8.1.230.0040.00820.95
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0000.01017.23
8.1.190.0040.00417.23
8.1.180.0050.00318.10
8.1.170.0080.00018.48
8.1.160.0000.00722.00
8.1.150.0070.00018.80
8.1.140.0040.00417.45
8.1.130.0000.00717.74
8.1.120.0070.00017.44
8.1.110.0040.00417.40
8.1.100.0070.00017.26
8.1.90.0040.00417.41
8.1.80.0000.00817.30
8.1.70.0050.00317.37
8.1.60.0000.00917.39
8.1.50.0080.00017.38
8.1.40.0000.00817.41
8.1.30.0030.00517.58
8.1.20.0000.00717.58
8.1.10.0050.00217.50
8.1.00.0030.00617.50
8.0.300.0000.00720.07
8.0.290.0040.00416.63
8.0.280.0030.00318.42
8.0.270.0050.00317.19
8.0.260.0060.00017.30
8.0.250.0040.00417.04
8.0.240.0030.00316.88
8.0.230.0000.00716.78
8.0.220.0000.00716.72
8.0.210.0000.00716.81
8.0.200.0000.00716.95
8.0.190.0080.00016.88
8.0.180.0000.00716.81
8.0.170.0040.00416.91
8.0.160.0000.00816.88
8.0.150.0040.00416.68
8.0.140.0070.00016.72
8.0.130.0030.00313.27
8.0.120.0060.00316.67
8.0.110.0000.00716.74
8.0.100.0000.00716.71
8.0.90.0030.00316.70
8.0.80.0060.01316.80
8.0.70.0070.00016.89
8.0.60.0070.00016.89
8.0.50.0000.00716.68
8.0.30.0120.00717.15
8.0.20.0120.00617.40
8.0.10.0000.00716.99
8.0.00.0090.00816.73
7.4.330.0000.00515.07
7.4.320.0000.00616.48
7.4.300.0060.00016.52
7.4.290.0070.00316.19
7.4.280.0000.01016.48
7.4.270.0000.00716.44
7.4.260.0060.00316.38
7.4.250.0040.00416.38
7.4.240.0050.00216.54
7.4.230.0030.00316.50
7.4.220.0060.01516.64
7.4.210.0140.00016.50
7.4.200.0000.00716.58
7.4.160.0120.00916.58
7.4.150.0070.01017.40
7.4.140.0100.00717.86
7.4.130.0100.00716.43
7.4.120.0080.01116.49
7.4.110.0100.00716.37
7.4.100.0060.01016.48
7.4.90.0000.01916.32
7.4.80.0030.01919.39
7.4.70.0140.00716.39
7.4.60.0070.01116.53
7.4.50.0000.00516.45
7.4.40.0040.01216.54
7.4.30.0140.00316.52
7.4.00.0100.00315.07
7.3.330.0080.00012.95
7.3.320.0030.00313.12
7.3.310.0040.00416.04
7.3.300.0000.00716.18
7.3.290.0040.01116.17
7.3.280.0050.01016.23
7.3.270.0100.00717.40
7.3.260.0070.01116.28
7.3.250.0050.01216.34
7.3.240.0170.00016.32
7.3.230.0040.01816.39
7.3.210.0130.00316.34
7.3.200.0070.01019.39
7.3.190.0160.00316.16
7.3.180.0110.00516.60
7.3.170.0130.00816.42
7.3.160.0100.00616.44
7.3.120.0080.00415.04
7.2.330.0070.01116.51
7.2.320.0070.01716.44
7.2.310.0060.00916.55
7.2.300.0130.00316.50
7.2.290.0130.00316.59
7.1.70.0040.00417.11
7.1.60.0030.00717.11
7.1.50.0100.01316.76
7.1.00.0030.07722.40
7.0.200.0000.00816.75
7.0.140.0030.07022.19
7.0.60.0070.07719.99
7.0.50.0130.07717.83
7.0.40.0100.07720.23
7.0.30.0300.08320.09
7.0.20.0270.08020.17
7.0.10.0030.04720.18
7.0.00.0030.05720.18
5.6.280.0130.06021.07
5.6.210.0070.08020.46
5.6.200.0100.07018.21
5.6.190.0070.09020.45
5.6.180.0270.05320.64
5.6.170.0400.06720.47
5.6.160.0030.05320.61
5.6.150.0070.05318.11
5.6.140.0100.08018.11
5.6.130.0030.08018.10
5.6.120.0130.06021.04
5.6.110.0030.08721.01
5.6.100.0170.07720.88
5.6.90.0130.08020.88
5.6.80.0070.07720.53
5.5.350.0070.05020.28
5.5.340.0070.08017.91
5.5.330.0030.07320.23
5.5.320.0330.07020.20
5.5.310.0270.08320.29
5.5.300.0170.06717.95
5.5.290.0070.06317.88
5.5.280.0130.05020.76
5.5.270.0100.08020.83
5.5.260.0070.03720.76
5.5.250.0070.08720.57
5.5.240.2970.04320.25
5.4.450.0470.04319.38
5.4.440.0530.04319.25
5.4.430.0200.04019.40
5.4.420.0200.05019.09
5.4.410.0470.04319.46
5.4.400.0430.03019.13
5.4.390.0370.04719.10
5.4.380.0630.05318.61
5.4.370.0730.05318.70
5.4.360.0770.05718.60
5.4.350.0900.04718.66
5.4.340.0700.04718.66
5.4.320.0070.03512.46
5.4.310.0040.03912.45
5.4.300.0040.03712.45
5.4.290.0050.03812.45
5.4.280.0050.03512.35
5.4.270.0040.03712.35
5.4.260.0050.03712.35
5.4.250.0050.03812.35
5.4.240.0070.03412.35
5.4.230.0080.03512.34
5.4.220.0050.03512.34
5.4.210.0060.03412.34
5.4.200.0060.03712.34
5.4.190.0090.04012.34
5.4.180.0050.03812.34
5.4.170.0060.03612.35
5.4.160.0050.03812.34
5.4.150.0060.03912.34
5.4.140.0050.05212.03
5.4.130.0050.04312.01
5.4.120.0050.03611.97
5.4.110.0040.03611.97
5.4.100.0050.03511.96
5.4.90.0060.03711.97
5.4.80.0050.03911.96
5.4.70.0080.03211.96
5.4.60.0090.03111.96
5.4.50.0070.03411.96
5.4.40.0040.03811.95
5.4.30.0050.04411.95
5.4.20.0040.04611.95
5.4.10.0080.04711.95
5.4.00.0090.03611.44
5.3.290.0060.03912.80
5.3.280.0080.04912.71
5.3.270.0050.04112.72
5.3.260.0090.05212.72
5.3.250.0060.04012.72
5.3.240.0050.04112.72
5.3.230.0050.04012.71
5.3.220.0060.03812.68
5.3.210.0060.03812.68
5.3.200.0080.03412.68
5.3.190.0040.03912.68
5.3.180.0050.04112.67
5.3.170.0040.03912.67
5.3.160.0060.04512.68
5.3.150.0040.03912.68
5.3.140.0070.03612.66
5.3.130.0080.03612.66
5.3.120.0040.04112.66
5.3.110.0090.03912.66
5.3.100.0060.03612.12
5.3.90.0100.03212.09
5.3.80.0060.03912.07
5.3.70.0080.03912.08
5.3.60.0040.03712.07
5.3.50.0060.03512.00
5.3.40.0020.04512.00
5.3.30.0080.04411.95
5.3.20.0050.04511.72
5.3.10.0070.03311.69
5.3.00.0080.04211.68
5.2.170.0070.0309.17
5.2.160.0040.0309.18
5.2.150.0050.0319.18
5.2.140.0030.0319.17
5.2.130.0060.0289.13
5.2.120.0050.0299.13
5.2.110.0020.0329.14
5.2.100.0050.0299.14
5.2.90.0060.0309.14
5.2.80.0040.0309.14
5.2.70.0050.0329.14
5.2.60.0040.0319.09
5.2.50.0030.0319.05
5.2.40.0050.0289.03
5.2.30.0050.0299.01
5.2.20.0050.0289.00
5.2.10.0030.0298.94
5.2.00.0020.0318.79
5.1.60.0070.0228.08
5.1.50.0040.0268.07
5.1.40.0030.0258.05
5.1.30.0040.0268.41
5.1.20.0050.0258.43
5.1.10.0030.0288.16
5.1.00.0040.0268.15
5.0.50.0030.0216.63
5.0.40.0040.0196.49
5.0.30.0040.0306.30
5.0.20.0040.0186.27
5.0.10.0020.0206.25
5.0.00.0030.0306.24
4.4.90.0030.0154.78
4.4.80.0030.0154.75
4.4.70.0010.0174.75
4.4.60.0040.0144.75
4.4.50.0010.0174.77
4.4.40.0010.0274.71
4.4.30.0010.0174.76
4.4.20.0030.0164.84
4.4.10.0020.0164.85
4.4.00.0010.0264.76
4.3.110.0020.0164.67
4.3.100.0010.0164.66
4.3.90.0010.0164.64
4.3.80.0060.0214.58
4.3.70.0030.0194.63
4.3.60.0030.0144.63
4.3.50.0030.0154.63
4.3.40.0020.0264.54
4.3.30.0030.0153.29
4.3.20.0010.0173.27
4.3.10.0030.0153.23
4.3.00.0000.02015.27

preferences:
31.08 ms | 401 KiB | 5 Q