3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = NULL; print_r( $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)
8.3.40.0000.01418.63
8.3.30.0100.01018.90
8.3.20.0060.00320.21
8.3.10.0070.00023.70
8.3.00.0050.00517.46
8.2.170.0070.00722.96
8.2.160.0100.00320.44
8.2.150.0050.00324.18
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0040.00422.11
8.2.110.0060.00322.25
8.2.100.0040.00819.38
8.2.90.0070.00019.13
8.2.80.0000.00817.97
8.2.70.0030.00617.38
8.2.60.0050.00317.80
8.2.50.0050.00318.07
8.2.40.0060.00317.91
8.2.30.0040.00417.98
8.2.20.0050.00217.50
8.2.10.0050.00217.50
8.2.00.0000.00717.66
8.1.270.0040.00423.96
8.1.260.0060.00326.35
8.1.250.0090.00028.09
8.1.240.0040.00423.83
8.1.230.0120.00018.91
8.1.220.0020.00517.74
8.1.210.0040.00418.77
8.1.200.0000.00817.13
8.1.190.0040.00417.41
8.1.180.0050.00318.10
8.1.170.0060.00618.59
8.1.160.0020.00721.84
8.1.150.0030.00518.50
8.1.140.0000.00817.37
8.1.130.0060.00017.80
8.1.120.0040.00417.46
8.1.110.0050.00217.38
8.1.100.0050.00317.29
8.1.90.0030.00317.36
8.1.80.0080.00017.41
8.1.70.0000.00717.32
8.1.60.0000.00817.49
8.1.50.0040.00417.50
8.1.40.0020.00517.48
8.1.30.0000.00917.36
8.1.20.0000.00817.60
8.1.10.0080.00017.28
8.1.00.0060.00317.38
8.0.300.0030.00318.77
8.0.290.0040.00417.18
8.0.280.0030.00318.37
8.0.270.0030.00317.08
8.0.260.0030.00316.75
8.0.250.0000.00616.79
8.0.240.0000.00716.78
8.0.230.0040.00416.89
8.0.220.0070.00016.82
8.0.210.0040.00416.84
8.0.200.0020.00516.80
8.0.190.0000.00716.84
8.0.180.0030.00516.77
8.0.170.0020.00516.74
8.0.160.0030.00316.77
8.0.150.0030.00416.79
8.0.140.0030.00316.71
8.0.130.0040.00413.28
8.0.120.0000.00716.84
8.0.110.0030.00316.77
8.0.100.0040.00416.86
8.0.90.0020.00516.71
8.0.80.0070.01416.77
8.0.70.0040.00416.64
8.0.60.0070.00016.65
8.0.50.0050.00316.68
8.0.30.0100.01216.85
8.0.20.0090.00917.40
8.0.10.0040.00416.92
8.0.00.0090.00916.57
7.4.330.0000.00515.03
7.4.320.0070.00016.57
7.4.300.0000.00616.55
7.4.290.0040.00416.54
7.4.280.0030.00616.46
7.4.270.0040.00416.57
7.4.260.0000.00716.39
7.4.250.0070.00016.49
7.4.240.0040.00316.47
7.4.230.0070.00016.31
7.4.220.0000.01716.56
7.4.210.0100.00416.52
7.4.200.0050.00216.55
7.4.190.0030.00316.49
7.4.160.0070.00716.52
7.4.150.0090.01317.40
7.4.140.0100.00717.86
7.4.130.0110.00616.37
7.4.120.0080.00816.37
7.4.110.0110.00516.27
7.4.100.0110.00716.46
7.4.90.0180.00616.29
7.4.80.0090.00919.39
7.4.70.0040.01216.29
7.4.60.0070.01016.38
7.4.50.0040.00416.18
7.4.40.0100.00622.77
7.4.30.0080.00816.18
7.4.00.0030.01315.07
7.3.330.0030.00312.96
7.3.320.0000.00612.89
7.3.310.0030.00316.26
7.3.300.0070.00016.19
7.3.290.0120.00316.12
7.3.280.0070.01116.12
7.3.270.0030.01417.40
7.3.260.0170.00316.20
7.3.250.0060.01316.43
7.3.240.0130.00916.38
7.3.230.0120.01216.39
7.3.210.0100.00716.05
7.3.200.0110.00719.39
7.3.190.0130.00416.26
7.3.180.0120.00616.40
7.3.170.0100.00716.27
7.3.160.0130.00316.11
7.3.120.0140.00414.50
7.3.10.0080.00716.13
7.3.00.0090.00916.34
7.2.330.0030.01316.48
7.2.320.0090.00916.22
7.2.310.0120.01216.60
7.2.300.0060.00916.51
7.2.290.0070.01016.50
7.2.130.0090.01216.46
7.2.120.0060.00816.35
7.2.110.0110.00516.21
7.2.100.0110.00716.25
7.2.90.0090.00516.50
7.2.80.0080.00816.45
7.2.70.0120.00716.46
7.2.60.0100.00816.34
7.2.50.0120.00916.47
7.2.40.0120.00516.59
7.2.30.0140.00516.39
7.2.20.0100.00616.66
7.2.10.0070.00816.52
7.2.00.0080.00817.47
7.1.250.0070.00515.58
7.1.100.0060.00617.96
7.1.70.0000.00717.21
7.1.60.0100.01419.31
7.1.50.0110.01416.65
7.1.00.0000.07722.36
7.0.200.0000.01216.62
7.0.140.0030.07322.18
7.0.110.0170.07020.07
7.0.100.0170.07319.95
7.0.90.0100.08320.02
7.0.80.0000.08720.02
7.0.70.0070.08319.88
7.0.60.0070.08319.97
7.0.50.0030.09020.32
7.0.40.0030.07320.29
7.0.30.0170.07720.28
7.0.20.0130.07720.15
7.0.10.0100.07719.94
7.0.00.0130.07720.25
5.6.280.0030.07320.90
5.6.250.0130.07020.65
5.6.240.0070.07720.67
5.6.230.0100.05020.68
5.6.220.0170.06320.62
5.6.210.0070.08020.63
5.6.200.0130.04321.05
5.6.190.0130.07021.14
5.6.180.0130.04321.05
5.6.170.0030.08320.93
5.6.160.0170.06321.14
5.6.150.0100.08020.98
5.6.140.0030.08720.98
5.6.130.0170.08020.92
5.6.120.0070.08321.18
5.6.110.0030.09020.97
5.6.100.0100.07721.10
5.6.90.0030.08021.11
5.6.80.0170.07020.43
5.6.70.0070.05020.27
5.6.60.0130.05020.65
5.6.50.0070.08320.51
5.6.40.0070.08020.23
5.6.30.0030.05020.34
5.6.20.0070.08320.61
5.6.10.0130.07320.36
5.6.00.0100.04720.32
5.5.380.0100.07720.45
5.5.370.0130.07320.56
5.5.360.0070.05020.34
5.5.350.0200.07020.50
5.5.340.0100.07720.87
5.5.330.0030.08320.77
5.5.320.0070.08020.83
5.5.310.0100.06020.93
5.5.300.0130.08020.93
5.5.290.0070.08021.02
5.5.280.0030.09020.89
5.5.270.0030.08720.95
5.5.260.0070.05321.00
5.5.250.0100.08020.67
5.5.240.0070.07720.27
5.5.230.0100.07720.27
5.5.220.0130.07320.14
5.5.210.0100.07320.27
5.5.200.0070.06720.25
5.5.190.0070.08020.32
5.5.180.0130.06320.30
5.5.160.0170.05720.29
5.5.150.0130.05720.32
5.5.140.0100.04320.38
5.5.130.0200.05320.11
5.5.120.0100.07020.18
5.5.110.0130.07720.37
5.5.100.0030.08320.16
5.5.90.0100.07020.04
5.5.80.0000.05720.26
5.5.70.0100.07320.15
5.5.60.0130.08020.20
5.5.50.0100.07720.02
5.5.40.0030.07720.11
5.5.30.0130.06720.07
5.5.20.0070.06719.97
5.5.10.0130.07320.00
5.5.00.0070.08020.17
5.4.450.0130.06719.35
5.4.440.0030.07319.42
5.4.430.0100.05019.59
5.4.420.0070.07719.35
5.4.410.0130.07719.38
5.4.400.0200.06319.02
5.4.390.0070.04019.16
5.4.380.0070.07719.12
5.4.370.0100.04318.98
5.4.360.0100.07019.08
5.4.350.0100.07318.98
5.4.340.0070.07719.08
5.4.320.0130.07018.93
5.4.310.0100.07719.27
5.4.300.0100.07019.16
5.4.290.0070.04719.02
5.4.280.0100.06719.13
5.4.270.0030.08318.93
5.4.260.0030.07718.91
5.4.250.0100.07019.02
5.4.240.0100.07018.99
5.4.230.0100.07019.00
5.4.220.0070.07319.02
5.4.210.0170.06019.09
5.4.200.0030.07319.09
5.4.190.0130.06718.92
5.4.180.0070.07719.00
5.4.170.0070.07319.02
5.4.160.0070.07719.05
5.4.150.0070.07318.92
5.4.140.0030.06316.23
5.4.130.0200.06016.16
5.4.120.0130.06016.46
5.4.110.0070.04716.29
5.4.100.0070.07016.36
5.4.90.0070.07316.25
5.4.80.0070.07016.48
5.4.70.0030.04316.22
5.4.60.0070.07316.34
5.4.50.0030.04016.21
5.4.40.0100.03016.53
5.4.30.0030.03716.50
5.4.20.0070.03016.34
5.4.10.0100.03016.45
5.4.00.0030.03716.01
5.3.290.0170.06714.68
5.3.280.0070.04314.45
5.3.270.0070.07314.71
5.3.260.0200.06714.66
5.3.250.0100.07014.50
5.3.240.0000.07314.48
5.3.230.0070.07014.66
5.3.220.0070.07714.34
5.3.210.0030.07714.44
5.3.200.0030.04014.44
5.3.190.0130.04314.45
5.3.180.0030.07714.42
5.3.170.0100.06714.45
5.3.160.0170.07014.63
5.3.150.0100.06714.55
5.3.140.0100.03314.63
5.3.130.0070.03714.56
5.3.120.0070.03314.62
5.3.110.0000.04014.54
5.3.100.0030.04713.98
5.3.90.0070.04013.89
5.3.80.0070.03314.07
5.3.70.0030.03714.03
5.3.60.0070.03314.07
5.3.50.0100.03013.80
5.3.40.0030.03013.73
5.3.30.0070.03013.92
5.3.20.0030.03313.54
5.3.10.0030.03013.57
5.3.00.0100.02013.64
5.2.170.0000.03011.07
5.2.160.0070.02311.08
5.2.150.0000.03011.14
5.2.140.0000.03011.29
5.2.130.0030.05011.11
5.2.120.0030.02310.98
5.2.110.0100.04011.16
5.2.100.0000.04311.00
5.2.90.0030.05311.17
5.2.80.0030.02311.25
5.2.70.0030.02711.11
5.2.60.0030.02310.95
5.2.50.0030.02710.95
5.2.40.0030.02711.00
5.2.30.0000.02711.13
5.2.20.0030.04011.02
5.2.10.0000.02710.86
5.2.00.0030.02310.86
5.1.60.0000.02710.23
5.1.50.0000.04310.00
5.1.40.0030.0239.79
5.1.30.0000.05010.28
5.1.20.0000.02310.48
5.1.10.0030.04310.13
5.1.00.0000.04010.00
5.0.50.0000.0178.55
5.0.40.0100.0208.57
5.0.30.0030.0238.30
5.0.20.0030.0138.30
5.0.10.0000.0208.33
5.0.00.0030.0278.30
4.4.90.0030.0178.30
4.4.80.0000.0138.30
4.4.70.0030.0138.30
4.4.60.0000.0178.30
4.4.50.0000.0138.30
4.4.40.0000.0238.30
4.4.30.0000.0178.30
4.4.20.0030.0178.30
4.4.10.0030.0178.30
4.4.00.0030.0338.30
4.3.110.0030.0178.30
4.3.100.0030.0278.30
4.3.90.0000.0138.30
4.3.80.0000.0238.30
4.3.70.0000.0138.30
4.3.60.0030.0108.30
4.3.50.0000.0178.30
4.3.40.0000.0378.30
4.3.30.0000.0138.30
4.3.20.0000.0178.30
4.3.10.0030.0108.30
4.3.00.0000.0138.30

preferences:
42.83 ms | 400 KiB | 5 Q