3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(null); var_dump((bool) null); var_dump((int) null); var_dump((string) null);

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)
8.3.60.0070.01116.75
8.3.50.0130.00721.14
8.3.40.0070.00718.76
8.3.30.0070.00718.67
8.3.20.0040.00420.04
8.3.10.0040.00423.71
8.3.00.0040.00419.38
8.2.180.0070.00718.41
8.2.170.0100.01022.96
8.2.160.0100.01020.52
8.2.150.0000.00824.18
8.2.140.0070.00024.66
8.2.130.0050.00226.16
8.2.120.0060.00317.50
8.2.110.0000.01022.04
8.2.100.0110.00017.78
8.2.90.0000.00819.15
8.2.80.0040.00417.97
8.2.70.0000.01017.25
8.2.60.0000.00717.55
8.2.50.0000.00818.07
8.2.40.0070.00019.34
8.2.30.0070.00020.63
8.2.20.0000.00717.62
8.2.10.0060.00317.93
8.2.00.0040.00417.96
8.1.280.0110.00425.92
8.1.270.0040.00423.97
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00623.72
8.1.230.0070.00420.88
8.1.220.0050.00317.74
8.1.210.0040.00718.77
8.1.200.0000.01117.13
8.1.190.0080.00017.13
8.1.180.0040.00418.10
8.1.170.0060.00618.53
8.1.160.0040.00421.94
8.1.150.0040.00418.68
8.1.140.0080.00019.32
8.1.130.0070.00017.23
8.1.120.0040.00417.33
8.1.110.0050.00217.30
8.1.100.0050.00517.30
8.1.90.0030.00317.29
8.1.80.0050.00217.38
8.1.70.0000.00717.20
8.1.60.0000.00717.33
8.1.50.0030.00517.36
8.1.40.0000.00817.29
8.1.30.0040.00417.42
8.1.20.0070.00017.46
8.1.10.0060.00317.36
8.1.00.0000.00817.22
8.0.300.0050.00318.77
8.0.290.0040.00416.63
8.0.280.0070.00018.22
8.0.270.0030.00617.11
8.0.260.0000.00616.75
8.0.250.0040.00416.90
8.0.240.0000.00716.78
8.0.230.0040.00416.77
8.0.220.0030.00316.84
8.0.210.0000.00716.82
8.0.200.0030.00616.87
8.0.190.0040.00416.86
8.0.180.0040.00416.68
8.0.170.0000.00716.89
8.0.160.0000.00716.82
8.0.150.0030.00316.61
8.0.140.0070.00016.80
8.0.130.0000.00513.29
8.0.120.0070.00016.81
8.0.110.0000.00816.85
8.0.100.0080.00016.70
8.0.90.0070.00016.81
8.0.80.0090.01316.84
8.0.70.0000.00716.71
8.0.60.0040.00416.89
8.0.50.0070.00016.82
8.0.30.0110.00916.97
8.0.20.0120.00917.40
8.0.10.0040.00416.83
8.0.00.0100.00716.56
7.4.330.0050.00015.08
7.4.320.0060.00016.23
7.4.300.0000.00616.33
7.4.290.0070.00016.28
7.4.280.0000.00816.41
7.4.270.0070.00016.48
7.4.260.0070.00016.43
7.4.250.0070.00016.36
7.4.240.0040.00416.38
7.4.230.0040.00416.27
7.4.220.0090.00916.31
7.4.210.0040.01116.51
7.4.200.0050.00216.52
7.4.160.0160.00016.24
7.4.150.0090.00917.40
7.4.140.0070.01617.86
7.4.130.0070.01616.42
7.4.120.0060.01216.53
7.4.110.0130.00316.43
7.4.100.0130.01016.40
7.4.90.0100.00716.36
7.4.80.0120.00619.39
7.4.70.0070.01016.30
7.4.60.0000.01616.29
7.4.50.0040.00416.37
7.4.40.0030.01216.32
7.4.30.0030.01316.57
7.4.00.0020.01215.09
7.3.330.0030.00313.13
7.3.320.0000.00513.11
7.3.310.0000.00716.25
7.3.300.0000.00816.21
7.3.290.0080.00816.17
7.3.280.0060.01316.16
7.3.270.0030.02017.40
7.3.260.0100.00716.20
7.3.240.0130.00516.26
7.3.230.0070.01116.39
7.3.210.0120.00616.09
7.3.200.0060.01216.44
7.3.190.0030.01516.32
7.3.180.0070.01016.30
7.3.170.0140.00316.39
7.3.160.0090.00616.15
7.3.120.0030.01314.89
7.3.110.0070.01114.71
7.3.100.0100.01014.85
7.3.90.0070.00314.45
7.3.80.0070.00414.72
7.3.70.0000.01214.76
7.3.60.0000.01014.67
7.3.50.0100.00714.70
7.3.40.0040.01114.58
7.3.30.0030.01314.63
7.3.20.0090.00316.68
7.3.10.0000.00916.33
7.3.00.0030.00716.45
7.2.330.0070.01116.64
7.2.320.0140.00316.15
7.2.310.0060.01116.52
7.2.300.0160.00916.49
7.2.290.0060.01616.61
7.2.250.0070.01014.70
7.2.240.0100.01014.87
7.2.230.0060.00914.89
7.2.220.0060.00914.82
7.2.210.0030.00714.89
7.2.200.0060.00614.62
7.2.190.0110.00414.79
7.2.180.0040.00715.04
7.2.170.0090.00014.82
7.2.00.0040.00819.19
7.1.330.0070.00715.72
7.1.320.0000.00915.61
7.1.310.0030.00615.73
7.1.300.0040.01115.71
7.1.290.0100.00315.73
7.1.280.0030.00915.56
7.1.270.0140.00015.68
7.1.260.0000.00815.70
7.1.200.0030.00915.62
7.1.100.0000.00817.71
7.1.70.0000.00717.09
7.1.60.0090.01519.43
7.1.50.0070.00716.67
7.1.00.0000.07722.27
7.0.200.0230.00714.82
7.0.60.0100.06719.95
7.0.50.0070.07717.78
7.0.40.0070.05020.04
7.0.30.0000.09320.02
7.0.20.0200.03720.19
7.0.10.0030.04320.21
7.0.00.0100.08020.19
5.6.280.0070.06021.01
5.6.210.0230.02720.69
5.6.200.0070.04018.11
5.6.190.0000.05020.62
5.6.180.0100.03320.43
5.6.170.0300.07320.54
5.6.160.0100.08020.41
5.6.150.0100.07718.21
5.6.140.0100.06318.15
5.6.130.0030.08718.22
5.6.120.0030.08720.96
5.6.110.0030.08720.88
5.6.100.0000.07721.02
5.6.90.0070.08320.87
5.6.80.0070.05020.53
5.5.350.0300.06320.35
5.5.340.0030.03717.95
5.5.330.0070.04020.21
5.5.320.0200.04720.29
5.5.310.0330.06020.17
5.5.300.0000.08317.92
5.5.290.0000.06717.96
5.5.280.0100.07020.88
5.5.270.0070.08320.93
5.5.260.0270.06720.96
5.5.250.0130.03320.57
5.5.240.0030.06720.18
5.4.450.0730.05019.10
5.4.440.0670.05719.37
5.4.430.0670.05319.59
5.4.420.0730.04719.10
5.4.410.0600.05719.30
5.4.400.0600.05719.17
5.4.390.0830.06319.27
5.4.380.0730.04718.98
5.4.370.0800.05019.10
5.4.360.0730.04719.28
5.4.350.0700.05018.99
5.4.340.0870.04319.08
5.4.320.0670.05319.24
5.4.310.0670.05719.05
5.4.300.0730.04719.26
5.4.290.0900.06319.09
5.4.280.0700.06018.79
5.4.270.0730.05019.14
5.4.260.0700.04718.76
5.4.250.0700.05019.23
5.4.240.0600.05019.12
5.4.230.0730.05019.25
5.4.220.0600.05319.16
5.4.210.0570.05319.16
5.4.200.0730.05319.23
5.4.190.0630.05719.00
5.4.180.0800.07319.04
5.4.170.0730.04019.12
5.4.160.0530.05719.03
5.4.150.0600.05319.21
5.4.140.0570.05016.27
5.4.130.0630.04316.28
5.4.120.0570.05016.34
5.4.110.0530.05316.44
5.4.100.0500.05316.45
5.4.90.0670.05316.38
5.4.80.0630.05316.42
5.4.70.0570.05016.43
5.4.60.0600.05316.43
5.4.50.0630.04316.46
5.4.40.0570.05016.45
5.4.30.0570.04716.34
5.4.20.0600.04716.47
5.4.10.0600.05016.04
5.4.00.0530.05315.71

preferences:
53.3 ms | 401 KiB | 5 Q