3v4l.org

run code in 300+ PHP versions simultaneously
<?php if($x === null) echo "test";

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)
8.3.40.0110.00418.71
8.3.30.0110.00418.76
8.3.20.0050.00218.68
8.3.10.0080.00020.92
8.3.00.0000.00723.66
8.2.170.0110.00422.96
8.2.160.0110.00322.08
8.2.150.0060.00324.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00419.54
8.2.110.0090.00019.38
8.2.100.0040.00717.84
8.2.90.0040.00419.05
8.2.80.0080.00017.97
8.2.70.0060.00317.75
8.2.60.0050.00317.55
8.2.50.0000.00818.07
8.2.40.0050.00218.03
8.2.30.0040.00421.10
8.2.20.0000.00717.52
8.2.10.0060.00317.75
8.2.00.0040.00417.55
8.1.270.0020.00523.99
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0070.00722.07
8.1.230.0090.00320.97
8.1.220.0060.00318.57
8.1.210.0000.00818.77
8.1.200.0090.00017.10
8.1.190.0060.00319.19
8.1.180.0000.00818.10
8.1.170.0030.00518.52
8.1.160.0040.00418.79
8.1.150.0000.00818.50
8.1.140.0000.00817.32
8.1.130.0030.00317.75
8.1.120.0070.00317.32
8.1.110.0000.00717.30
8.1.100.0000.00717.38
8.1.90.0060.00317.40
8.1.80.0040.00417.36
8.1.70.0030.00317.28
8.1.60.0060.00317.40
8.1.50.0040.00417.30
8.1.40.0040.00417.42
8.1.30.0000.00817.50
8.1.20.0000.00817.48
8.1.10.0000.00717.48
8.1.00.0040.00417.39
8.0.300.0070.00020.02
8.0.290.0040.00416.93
8.0.280.0000.00718.28
8.0.270.0040.00417.10
8.0.260.0000.00616.88
8.0.250.0050.00316.82
8.0.240.0100.00016.76
8.0.230.0070.00016.83
8.0.220.0050.00516.75
8.0.210.0000.00716.68
8.0.200.0060.00016.89
8.0.190.0000.00816.93
8.0.180.0000.00816.74
8.0.170.0070.00016.88
8.0.160.0000.00716.90
8.0.150.0000.00816.78
8.0.140.0030.00516.69
8.0.130.0000.00513.27
8.0.120.0040.00416.79
8.0.110.0080.00016.81
8.0.100.0080.00016.75
8.0.90.0030.00516.66
8.0.80.0070.01116.73
8.0.70.0040.00416.78
8.0.60.0030.00516.68
8.0.50.0000.00716.77
8.0.30.0130.00617.23
8.0.20.0100.00717.40
8.0.10.0040.00416.98
8.0.00.0110.00616.70
7.4.330.0020.00214.64
7.4.320.0060.00016.51
7.4.300.0000.00616.57
7.4.290.0000.00716.35
7.4.280.0030.00316.55
7.4.270.0030.00316.42
7.4.260.0050.00013.20
7.4.250.0000.00816.46
7.4.240.0030.00316.47
7.4.230.0070.00016.34
7.4.220.0120.01016.52
7.4.210.0080.00616.47
7.4.200.0030.00316.54
7.4.190.0030.00316.37
7.4.160.0060.01016.58
7.4.150.0110.01417.40
7.4.140.0100.00917.86
7.4.130.0080.01116.38
7.4.120.0090.00816.56
7.4.110.0130.01016.40
7.4.100.0110.00716.47
7.4.90.0090.00916.45
7.4.80.0180.00019.37
7.4.70.0080.00816.32
7.4.60.0030.01416.55
7.4.50.0060.00316.46
7.4.40.0070.00722.52
7.4.30.0060.01216.28
7.4.00.0120.00314.80
7.3.330.0000.00513.16
7.3.320.0120.00012.99
7.3.310.0040.00416.25
7.3.300.0030.00316.15
7.3.290.0000.01516.23
7.3.280.0090.00616.21
7.3.270.0100.00717.40
7.3.260.0140.00718.24
7.3.250.0090.01116.27
7.3.240.0100.00616.39
7.3.230.0130.00716.46
7.3.210.0030.01316.50
7.3.200.0170.00019.39
7.3.190.0100.00716.32
7.3.180.0120.00416.35
7.3.170.0110.00516.27
7.3.160.0130.00316.29
7.3.120.0060.01014.93
7.3.10.0210.00616.49
7.3.00.0210.00716.10
7.2.330.0090.00916.28
7.2.320.0030.01416.40
7.2.310.0070.01416.40
7.2.300.0000.01716.23
7.2.290.0120.01216.62
7.2.130.0160.00316.59
7.2.120.0140.00415.98
7.2.110.0190.00716.82
7.2.100.0070.01716.45
7.2.90.0110.00815.92
7.2.80.0040.01316.45
7.2.70.0170.00816.56
7.2.60.0210.00316.72
7.2.50.0160.01416.67
7.2.40.0130.00316.36
7.2.30.0160.01016.31
7.2.20.0250.00616.73
7.2.10.0130.01016.34
7.2.00.0080.00316.50
7.1.250.0210.00315.68
7.1.200.0000.01415.24
7.1.70.0000.01017.09
7.1.60.0110.01419.40
7.1.50.0030.02016.67
7.1.00.0000.04322.40
7.0.200.0030.00616.40
7.0.140.0000.07722.08
7.0.70.0000.07721.69
7.0.60.0030.08021.60
7.0.50.0070.08321.96
7.0.40.0130.07320.09
7.0.30.0000.09720.02
7.0.20.0100.07720.04
7.0.10.0100.07020.03
7.0.00.0000.08320.10
5.6.280.0000.07721.14
5.6.220.0070.08320.61
5.6.210.0100.07720.75
5.6.200.0070.06320.95
5.6.190.0070.07321.13
5.6.180.0070.06321.07
5.6.170.0070.07721.02
5.6.160.0070.08320.93
5.6.150.0070.07721.03
5.6.140.0100.07020.96
5.6.130.0030.08021.02
5.6.120.0030.08321.02
5.6.110.0070.07321.11
5.6.100.0030.07721.00
5.6.90.0070.08320.98
5.6.80.0100.07320.54
5.6.70.0030.04020.32
5.6.60.0000.06020.42
5.6.50.0030.03720.39
5.6.40.0000.03320.42
5.6.30.0000.04020.28
5.6.20.0030.03020.42
5.6.10.0000.04320.27
5.6.00.0000.03320.33
5.5.360.0130.07320.39
5.5.350.0030.08020.41
5.5.340.0030.08320.87
5.5.330.0070.08320.88
5.5.320.0070.08020.91
5.5.310.0070.06320.63
5.5.300.0000.07320.74
5.5.290.0100.07720.72
5.5.280.0030.08320.82
5.5.270.0100.06020.87
5.5.260.0030.09020.77
5.5.250.0170.06720.66
5.5.240.0100.06720.27
5.5.230.0000.04020.25
5.5.220.0070.04720.12
5.5.210.0030.03020.29
5.5.200.0000.04020.27
5.5.190.0030.03720.16
5.5.180.0000.03320.22
5.5.160.0000.04020.23
5.5.150.0030.06720.22
5.5.140.0000.07020.11
5.5.130.0130.07319.98
5.5.120.0030.07720.21
5.5.110.0100.06320.21
5.5.100.0000.05020.17
5.5.90.0030.03719.96
5.5.80.0000.04020.10
5.5.70.0000.05320.05
5.5.60.0000.04020.14
5.5.50.0070.03319.95
5.5.40.0000.05020.03
5.5.30.0100.03720.14
5.5.20.0030.03720.12
5.5.10.0030.04020.02
5.5.00.0000.04020.10
5.4.450.0030.08319.27
5.4.440.0100.07019.27
5.4.430.0130.07319.36
5.4.420.0030.08019.10
5.4.410.0030.08019.29
5.4.400.0030.05319.13
5.4.390.0030.03718.99
5.4.380.0000.04318.78
5.4.370.0000.03719.24
5.4.360.0030.03719.09
5.4.350.0000.03718.98
5.4.340.0030.03719.03
5.4.320.0030.03018.95
5.4.310.0030.03719.04
5.4.300.0000.05018.79
5.4.290.0070.05318.78
5.4.280.0000.05018.89
5.4.270.0100.06718.93
5.4.260.0000.05018.80
5.4.250.0030.03719.10
5.4.240.0030.04718.93
5.4.230.0030.04319.02
5.4.220.0070.03319.05
5.4.210.0000.04018.77
5.4.200.0030.04019.05
5.4.190.0070.02318.89
5.4.180.0000.03019.08
5.4.170.0030.03018.81
5.4.160.0030.02719.05
5.4.150.0000.05019.09
5.4.140.0030.02716.27
5.4.130.0030.03016.36
5.4.120.0000.03016.27
5.4.110.0000.03016.38
5.4.100.0030.02716.20
5.4.90.0000.03016.34
5.4.80.0000.03016.39
5.4.70.0000.03016.28
5.4.60.0030.03016.31
5.4.50.0070.02316.20
5.4.40.0000.03016.35
5.4.30.0070.02316.27
5.4.20.0000.03016.33
5.4.10.0000.03016.37
5.4.00.0030.03015.68
5.3.290.0000.04014.64
5.3.280.0000.03714.45
5.3.270.0000.03014.43
5.3.260.0000.04714.45
5.3.250.0030.02714.60
5.3.240.0000.03314.55
5.3.230.0000.03014.52
5.3.220.0000.03014.55
5.3.210.0030.03014.41
5.3.200.0000.03014.53
5.3.190.0030.02714.52
5.3.180.0030.02714.41
5.3.170.0000.03014.53
5.3.160.0000.03014.49
5.3.150.0030.02714.54
5.3.140.0000.03014.52
5.3.130.0030.02714.51
5.3.120.0000.03014.38
5.3.110.0030.02714.50
5.3.100.0070.03013.89
5.3.90.0030.03314.00
5.3.80.0030.03313.87
5.3.70.0070.02713.87
5.3.60.0030.02713.93
5.3.50.0000.03313.79
5.3.40.0070.03013.79
5.3.30.0000.03013.88
5.3.20.0030.02713.54
5.3.10.0070.02313.60
5.3.00.0000.04313.48
5.2.170.0000.02711.34
5.2.160.0000.03011.34
5.2.150.0000.03011.34
5.2.140.0000.03011.34
5.2.130.0000.03011.34
5.2.120.0070.04011.34
5.2.110.0000.02311.34
5.2.100.0030.07311.34
5.2.90.0000.05011.34
5.2.80.0000.04011.34
5.2.70.0000.03311.34
5.2.60.0000.04011.34
5.2.50.0030.06011.34
5.2.40.0030.04011.34
5.2.30.0030.03011.34
5.2.20.0070.05311.34
5.2.10.0030.03011.34
5.2.00.0070.05011.34
5.1.60.0000.03311.34
5.1.50.0030.05011.34
5.1.40.0030.04711.34
5.1.30.0000.04011.34
5.1.20.0000.03311.34
5.1.10.0030.02711.34
5.1.00.0030.02711.34
5.0.50.0030.04711.34
5.0.40.0030.03711.34
5.0.30.0000.07011.34
5.0.20.0030.03311.34
5.0.10.0070.03311.34
5.0.00.0070.05311.34
4.4.90.0000.02711.34
4.4.80.0000.02011.34
4.4.70.0000.03311.34
4.4.60.0000.02311.34
4.4.50.0030.03311.34
4.4.40.0000.02311.34
4.4.30.0000.02711.34
4.4.20.0000.03711.34
4.4.10.0000.02711.34
4.4.00.0000.05711.34
4.3.110.0000.03711.34
4.3.100.0000.02711.34
4.3.90.0000.03311.34
4.3.80.0000.06011.34
4.3.70.0000.03011.34
4.3.60.0000.03711.34
4.3.50.0070.03011.34
4.3.40.0030.04711.34
4.3.30.0000.03011.34
4.3.20.0000.02711.34
4.3.10.0100.03011.34
4.3.00.0030.03011.34

preferences:
42.46 ms | 400 KiB | 5 Q