3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = null; var_dump($a-1);

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)
8.3.60.0140.00718.56
8.3.50.0110.00821.90
8.3.40.0120.00318.84
8.3.30.0140.00018.55
8.3.20.0080.00018.61
8.3.10.0000.00820.89
8.3.00.0080.00023.50
8.2.180.0090.01218.16
8.2.170.0040.01122.96
8.2.160.0070.00720.35
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0100.00326.16
8.2.120.0070.00021.16
8.2.110.0060.00320.47
8.2.100.0080.00317.84
8.2.90.0040.00419.23
8.2.80.0030.00617.97
8.2.70.0000.00817.61
8.2.60.0070.00017.91
8.2.50.0050.00318.07
8.2.40.0040.00418.22
8.2.30.0070.00019.79
8.2.20.0020.00517.70
8.2.10.0040.00417.66
8.2.00.0050.00217.57
8.1.280.0100.00725.92
8.1.270.0040.00423.99
8.1.260.0080.00826.35
8.1.250.0000.00728.09
8.1.240.0080.00322.33
8.1.230.0080.00320.85
8.1.220.0000.00818.77
8.1.210.0030.00518.91
8.1.200.0060.00317.09
8.1.190.0040.00417.50
8.1.180.0040.00418.10
8.1.170.0040.00418.56
8.1.160.0070.00018.75
8.1.150.0040.00418.52
8.1.140.0040.00417.31
8.1.130.0030.00317.68
8.1.120.0040.00417.36
8.1.110.0080.00017.36
8.1.100.0040.00417.41
8.1.90.0030.00317.28
8.1.80.0070.00017.32
8.1.70.0030.00317.30
8.1.60.0040.00417.49
8.1.50.0040.00417.45
8.1.40.0030.00517.45
8.1.30.0050.00317.55
8.1.20.0040.00417.50
8.1.10.0040.00417.35
8.1.00.0040.00417.44
8.0.300.0000.00719.97
8.0.290.0030.00317.05
8.0.280.0000.00718.25
8.0.270.0030.00317.09
8.0.260.0070.00016.83
8.0.250.0030.00516.84
8.0.240.0060.00316.96
8.0.230.0070.00016.98
8.0.220.0030.00316.79
8.0.210.0040.00416.87
8.0.200.0040.00417.00
8.0.190.0040.00417.00
8.0.180.0040.00416.79
8.0.170.0000.00816.89
8.0.160.0030.00316.96
8.0.150.0030.00616.84
8.0.140.0000.00716.85
8.0.130.0050.00013.30
8.0.120.0050.00316.81
8.0.110.0000.00716.86
8.0.100.0000.00716.76
8.0.90.0050.00216.88
8.0.80.0100.01016.91
8.0.70.0040.00416.70
8.0.60.0000.00716.84
8.0.50.0000.00716.79
8.0.30.0090.00916.81
8.0.20.0090.01017.40
8.0.10.0050.00317.02
8.0.00.0110.00716.86
7.4.330.0030.00314.59
7.4.320.0000.00716.58
7.4.300.0030.00316.35
7.4.290.0000.00816.45
7.4.280.0080.00016.45
7.4.270.0000.00716.46
7.4.260.0030.00313.09
7.4.250.0050.00216.25
7.4.240.0030.00516.44
7.4.230.0000.00716.55
7.4.220.0160.01016.48
7.4.210.0100.00716.50
7.4.200.0030.00316.42
7.4.190.0030.00316.68
7.4.160.0160.00016.32
7.4.150.0070.01017.40
7.4.140.0100.01117.86
7.4.130.0110.00816.34
7.4.120.0070.00916.32
7.4.110.0050.01016.47
7.4.100.0110.00516.40
7.4.90.0060.01516.59
7.4.80.0090.00919.37
7.4.70.0070.01116.54
7.4.60.0150.00316.26
7.4.50.0000.00816.41
7.4.40.0070.01022.52
7.4.30.0120.00616.51
7.4.00.0000.01414.79
7.3.330.0000.00513.10
7.3.320.0040.00412.91
7.3.310.0070.00015.99
7.3.300.0000.00716.20
7.3.290.0140.00016.18
7.3.280.0090.01116.17
7.3.270.0120.00617.40
7.3.260.0060.01118.24
7.3.250.0140.01016.49
7.3.240.0100.01316.59
7.3.230.0120.00816.39
7.3.210.0170.00616.16
7.3.200.0030.01519.39
7.3.190.0110.00716.19
7.3.180.0040.01116.23
7.3.170.0140.01116.27
7.3.160.0120.00316.40
7.3.120.0040.00814.67
7.2.330.0120.01316.58
7.2.320.0150.00316.21
7.2.310.0080.00816.59
7.2.300.0090.00816.38
7.2.290.0030.01316.46
7.1.100.0040.00718.02
7.1.70.0040.00417.11
7.1.60.0110.01419.40
7.1.50.0110.01116.83
7.1.00.0070.07322.30
7.0.200.0140.00314.94
7.0.140.0070.07022.18
7.0.70.0030.04021.82
7.0.60.0070.06021.82
7.0.50.0000.04722.04
7.0.40.0070.03720.08
7.0.30.0100.07320.17
7.0.20.0000.04319.99
7.0.10.0000.04720.12
7.0.00.0030.04019.90
5.6.280.0030.07320.98
5.6.220.0000.03720.66
5.6.210.0070.04020.61
5.6.200.0070.04021.01
5.6.190.0100.03721.04
5.6.180.0030.08720.92
5.6.170.0030.08721.08
5.6.160.0030.04021.04
5.6.150.0030.04721.10
5.6.140.0000.04321.07
5.6.130.0030.04321.01
5.6.120.0000.05320.93
5.6.110.0000.04320.96
5.6.100.0000.04321.09
5.6.90.0070.04021.08
5.6.80.0000.05020.41
5.6.70.0030.03720.29
5.6.60.0000.04020.40
5.6.50.0000.05320.33
5.6.40.0100.03720.26
5.6.30.0000.04020.47
5.6.20.0030.05720.40
5.6.10.0100.07020.37
5.6.00.0030.05720.41
5.5.360.0030.08320.39
5.5.350.0030.04320.41
5.5.340.0030.04320.75
5.5.330.0000.04720.91
5.5.320.0000.05020.73
5.5.310.0030.06020.91
5.5.300.0030.04020.63
5.5.290.0000.04320.71
5.5.280.0030.05020.80
5.5.270.0000.04320.81
5.5.260.0000.08020.74
5.5.250.0030.04020.56
5.5.240.0000.04320.25
5.5.230.0030.04020.20
5.5.220.0000.05020.09
5.5.210.0000.04020.01
5.5.200.0030.03320.19
5.5.190.0000.04019.98
5.5.180.0030.03720.27
5.5.160.0030.04720.14
5.5.150.0130.06020.09
5.5.140.0030.07720.13
5.5.130.0000.08720.14
5.5.120.0100.06720.19
5.5.110.0030.08020.07
5.5.100.0100.07319.97
5.5.90.0000.07320.05
5.5.80.0030.08020.13
5.5.70.0070.06720.13
5.5.60.0170.06719.99
5.5.50.0030.07720.10
5.5.40.0030.08020.03
5.5.30.0100.05719.96
5.5.20.0000.08720.14
5.5.10.0030.08319.99
5.5.00.0030.07719.95
5.4.450.0030.04319.38
5.4.440.0000.04019.13
5.4.430.0070.03719.29
5.4.420.0070.03719.13
5.4.410.0030.03719.00
5.4.400.0100.03319.06
5.4.390.0000.04019.03
5.4.380.0100.05319.07
5.4.370.0000.04019.04
5.4.360.0000.05019.03
5.4.350.0000.03319.03
5.4.340.0030.05019.07
5.4.320.0000.04719.04
5.4.310.0070.05718.98
5.4.300.0070.04319.01
5.4.290.0000.06319.09
5.4.280.0030.07018.94
5.4.270.0070.06719.05
5.4.260.0000.07319.14
5.4.250.0000.05719.04
5.4.240.0000.08318.97
5.4.230.0070.06719.02
5.4.220.0000.07319.05
5.4.210.0070.07719.02
5.4.200.0070.05019.11
5.4.190.0030.07019.21
5.4.180.0070.06719.07
5.4.170.0100.07018.97
5.4.160.0030.04319.00
5.4.150.0030.05319.03
5.4.140.0030.07316.33
5.4.130.0000.05316.36
5.4.120.0030.07716.05
5.4.110.0030.06716.37
5.4.100.0030.06716.43
5.4.90.0000.07716.42
5.4.80.0070.06716.20
5.4.70.0030.04716.36
5.4.60.0070.05316.23
5.4.50.0070.07016.37
5.4.40.0030.06016.23
5.4.30.0030.07716.25
5.4.20.0030.07016.39
5.4.10.0030.05316.24
5.4.00.0030.05315.72
5.3.290.0070.07714.64
5.3.280.0070.06014.58
5.3.270.0000.07714.61
5.3.260.0000.05314.54
5.3.250.0070.06314.60
5.3.240.0070.04314.55
5.3.230.0030.05714.58
5.3.220.0100.07014.43
5.3.210.0030.06714.49
5.3.200.0070.06014.44
5.3.190.0030.07314.47
5.3.180.0070.04314.52
5.3.170.0000.08014.44
5.3.160.0070.07314.54
5.3.150.0100.07014.41
5.3.140.0070.05314.50
5.3.130.0070.07314.45
5.3.120.0000.08314.42
5.3.110.0000.07714.54
5.3.100.0000.05014.02
5.3.90.0030.07314.00
5.3.80.0030.07014.00
5.3.70.0030.07713.77
5.3.60.0000.07013.99
5.3.50.0070.07013.93
5.3.40.0100.07013.80
5.3.30.0100.04313.88
5.3.20.0000.04313.68
5.3.10.0030.05013.56
5.3.00.0000.05313.61
5.2.170.0030.06312.37
5.2.160.0030.05012.37
5.2.150.0030.05012.37
5.2.140.0030.03712.37
5.2.130.0000.05312.37
5.2.120.0030.04712.37
5.2.110.0000.04312.37
5.2.100.0030.03712.37
5.2.90.0000.06312.37
5.2.80.0000.04712.37
5.2.70.0030.06312.37
5.2.60.0030.06012.37
5.2.50.0030.06012.37
5.2.40.0030.05012.37
5.2.30.0000.06712.37
5.2.20.0000.04712.37
5.2.10.0030.06312.37
5.2.00.0030.05712.37
5.1.60.0070.05012.37
5.1.50.0070.04312.37
5.1.40.0000.05312.37
5.1.30.0000.05712.37
5.1.20.0000.04312.37
5.1.10.0000.05712.37
5.1.00.0100.04012.37
5.0.50.0030.04312.37
5.0.40.0030.03012.37
5.0.30.0000.05012.37
5.0.20.0000.03012.37
5.0.10.0030.04312.37
5.0.00.0030.06712.37
4.4.90.0000.03312.37
4.4.80.0030.03012.37
4.4.70.0000.03712.37
4.4.60.0030.03312.37
4.4.50.0000.03012.37
4.4.40.0000.04012.37
4.4.30.0000.02312.37
4.4.20.0000.03312.37
4.4.10.0000.04012.37
4.4.00.0070.04712.37
4.3.110.0000.02712.37
4.3.100.0000.02312.37
4.3.90.0030.03312.37
4.3.80.0000.05312.37
4.3.70.0000.03012.37
4.3.60.0000.03712.37
4.3.50.0000.03012.37
4.3.40.0000.05712.37
4.3.30.0000.03312.37
4.3.20.0030.03712.37
4.3.10.0030.03312.37
4.3.00.0000.03012.37

preferences:
72.86 ms | 401 KiB | 5 Q