3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump((string)[null => 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)
8.3.60.0070.00716.50
8.3.50.0140.00921.21
8.3.40.0070.01418.45
8.3.30.0090.00918.46
8.3.20.0040.00418.59
8.3.10.0030.00619.66
8.3.00.0040.00419.06
8.2.180.0140.00718.49
8.2.170.0120.00322.96
8.2.160.0130.00318.94
8.2.150.0000.01424.18
8.2.140.0080.00024.66
8.2.130.0050.00321.05
8.2.120.0040.00426.35
8.2.110.0060.00319.27
8.2.100.0120.00017.49
8.2.90.0060.00318.94
8.2.80.0030.00517.97
8.2.70.0040.00417.50
8.2.60.0040.00417.66
8.2.50.0080.00018.10
8.2.40.0040.00420.42
8.2.30.0040.00420.57
8.2.20.0070.00017.64
8.2.10.0090.00017.94
8.2.00.0000.00717.79
8.1.280.0110.00425.92
8.1.270.0080.00023.97
8.1.260.0040.00428.09
8.1.250.0070.00028.09
8.1.240.0060.00321.91
8.1.230.0040.00818.82
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0000.00916.97
8.1.190.0080.00017.09
8.1.180.0080.00018.10
8.1.170.0040.00418.57
8.1.160.0000.00718.86
8.1.150.0040.00418.66
8.1.140.0090.00019.29
8.1.130.0000.00717.52
8.1.120.0030.00317.17
8.1.110.0000.00717.28
8.1.100.0000.00717.25
8.1.90.0040.00417.31
8.1.80.0040.00417.32
8.1.70.0000.00717.32
8.1.60.0000.00817.49
8.1.50.0000.00817.35
8.1.40.0040.00417.36
8.1.30.0030.00517.36
8.1.20.0040.00417.56
8.1.10.0040.00417.18
8.1.00.0070.00017.19
8.0.300.0080.00018.77
8.0.290.0040.00416.63
8.0.280.0030.00318.30
8.0.270.0040.00417.12
8.0.260.0000.00717.11
8.0.250.0070.00016.92
8.0.240.0050.00316.76
8.0.230.0000.00716.93
8.0.220.0000.00716.66
8.0.210.0000.00716.80
8.0.200.0030.00316.83
8.0.190.0030.00316.91
8.0.180.0000.00716.80
8.0.170.0040.00416.83
8.0.160.0000.00716.82
8.0.150.0070.00016.82
8.0.140.0030.00716.63
8.0.130.0000.00513.25
8.0.120.0000.00816.77
8.0.110.0000.00716.85
8.0.100.0000.00816.81
8.0.90.0000.00716.80
8.0.80.0150.00716.77
8.0.70.0050.00216.84
8.0.60.0000.00716.63
8.0.50.0000.00716.88
8.0.30.0120.00517.06
8.0.20.0070.01117.40
8.0.10.0030.00316.80
8.0.00.0100.01216.53
7.4.330.0000.00415.08
7.4.320.0000.00616.46
7.4.300.0000.00616.37
7.4.290.0000.00716.33
7.4.280.0090.00016.25
7.4.270.0030.00316.41
7.4.260.0000.00616.46
7.4.250.0000.00816.46
7.4.240.0000.00716.36
7.4.230.0000.00716.34
7.4.220.0090.01216.39
7.4.210.0070.01316.41
7.4.200.0070.00016.43
7.4.160.0030.01216.45
7.4.150.0070.01117.40
7.4.140.0060.01117.86
7.4.130.0130.00516.35
7.4.120.0050.01516.38
7.4.110.0070.01416.36
7.4.100.0040.01916.53
7.4.90.0130.00516.34
7.4.80.0090.00919.39
7.4.70.0160.00016.45
7.4.60.0030.01416.35
7.4.50.0030.00716.34
7.4.40.0030.01516.13
7.4.30.0060.00916.39
7.4.00.0120.00314.90
7.3.330.0000.00513.10
7.3.320.0030.00313.12
7.3.310.0030.00316.20
7.3.300.0030.00316.17
7.3.290.0070.00916.16
7.3.280.0110.00416.16
7.3.270.0040.01117.40
7.3.260.0170.00016.52
7.3.250.0080.01216.22
7.3.240.0110.00616.17
7.3.230.0050.01116.39
7.3.210.0120.00616.23
7.3.200.0070.01316.20
7.3.190.0160.00016.18
7.3.180.0100.00716.25
7.3.170.0080.00816.29
7.3.160.0070.01416.24
7.3.10.0130.00516.17
7.3.00.0110.00416.21
7.2.330.0060.01216.46
7.2.320.0100.00716.21
7.2.310.0110.00716.36
7.2.300.0130.00316.21
7.2.290.0100.00616.60
7.2.130.0120.00616.70
7.2.120.0150.00516.54
7.2.110.0120.00516.38
7.2.100.0080.00816.62
7.2.90.0100.00416.71
7.2.80.0060.00816.56
7.2.70.0030.01016.68
7.2.60.0060.00916.64
7.2.50.0080.01016.39
7.2.40.0120.00716.53
7.2.30.0080.01016.55
7.2.20.0070.00916.66
7.2.10.0100.00316.54
7.2.00.0060.00916.72
7.1.250.0130.00715.63
7.1.240.0190.00015.66
7.1.230.0000.01215.55
7.1.220.0000.00815.81
7.1.210.0040.00715.90
7.1.200.0090.00415.55
7.1.190.0030.01015.67
7.1.180.0060.00615.48
7.1.170.0040.00415.65
7.1.160.0000.00915.47
7.1.150.0040.01115.63
7.1.140.0030.01315.60
7.1.130.0090.00615.65
7.1.120.0030.00715.44
7.1.110.0030.01015.85
7.1.100.0030.01116.85
7.1.90.0120.00015.73
7.1.80.0030.00615.66
7.1.70.0070.00516.19
7.1.60.0070.01218.16
7.1.50.0100.00315.82
7.1.40.0100.01015.54
7.1.30.0040.00715.70
7.1.20.0170.00015.65
7.1.10.0120.00315.67
7.1.00.0050.04119.16
7.0.330.0140.00315.25
7.0.320.0100.00715.15
7.0.310.0100.00715.41
7.0.300.0030.01015.12
7.0.290.0160.00015.01
7.0.280.0090.00015.10
7.0.270.0080.00315.30
7.0.260.0000.01415.21
7.0.250.0100.00715.59
7.0.240.0060.00915.37
7.0.230.0070.00715.38
7.0.220.0040.00815.28
7.0.210.0100.00315.32
7.0.200.0110.01115.24
7.0.190.0030.00515.38
7.0.180.0090.00615.48
7.0.170.0030.01515.54
7.0.160.0090.00915.23
7.0.150.0050.00515.36
7.0.140.0080.00415.39
7.0.130.0130.00015.23
7.0.120.0030.00915.20
7.0.110.0070.00715.20
7.0.100.0070.00715.34
7.0.90.0040.00914.98
7.0.80.0040.00715.30
7.0.70.0030.01015.08
7.0.60.0110.04418.43
7.0.50.0120.02917.70
7.0.40.0150.02916.94
7.0.30.0070.03716.85
7.0.20.0210.03416.86
7.0.10.0040.04616.72
7.0.00.0140.03717.77
5.6.380.0060.00313.98
5.6.370.0060.01314.39
5.6.360.0060.01214.13
5.6.350.0080.01114.04
5.6.340.0110.00814.24
5.6.330.0040.01614.15
5.6.320.0060.00914.15
5.6.310.0030.00613.93
5.6.300.0030.01714.27
5.6.290.0060.01114.21
5.6.280.0100.00514.32
5.6.270.0030.00814.34
5.6.260.0040.01114.25
5.6.250.0090.00914.20
5.6.240.0060.00914.07
5.6.230.0060.00913.95
5.6.220.0140.00013.89
5.6.210.0080.03717.32
5.6.200.0100.03016.04
5.6.190.0150.03117.59
5.6.180.0150.03217.59
5.6.170.0310.03617.81
5.6.160.0110.03817.60
5.6.150.0160.03717.51
5.6.140.0170.03017.64
5.6.130.0130.03317.67
5.6.120.0160.03517.68
5.6.110.0160.03617.48
5.6.100.0120.03117.63
5.6.90.0150.03017.55
5.6.80.0100.03017.29
5.6.70.0140.03017.16
5.6.60.0120.03017.24
5.6.50.0100.03117.10
5.6.40.0030.03817.35
5.6.30.0080.03117.16
5.6.20.0110.03717.12
5.6.10.0030.03917.21
5.6.00.0120.02917.24
5.5.380.0000.01310.73
5.5.370.0070.00211.00
5.5.360.0070.00710.59
5.5.350.2120.02515.57
5.5.340.0100.03714.40
5.5.330.0110.03115.91
5.5.320.0080.03115.80
5.5.310.0160.03415.87
5.5.300.0120.03415.78
5.5.290.0080.03615.84
5.5.280.0060.03315.93
5.5.270.0050.03815.71
5.5.260.0200.02615.88
5.5.250.0110.03215.83
5.5.240.0100.03015.36
5.5.230.0100.02915.38
5.5.220.0100.02815.66
5.5.210.0150.02515.56
5.5.200.0220.02315.66
5.5.190.0100.03215.47
5.5.180.0130.02715.57
5.5.170.0030.01010.71
5.5.160.0050.03715.59
5.5.150.0080.03015.38
5.5.140.0120.04015.59
5.5.130.0120.03215.54
5.5.120.0080.03315.53
5.5.110.0080.03415.38
5.5.100.0190.02315.50
5.5.90.0120.03215.56
5.5.80.0130.03315.56
5.5.70.0080.03415.49
5.5.60.0070.03515.41
5.5.50.0200.02115.48
5.5.40.0150.02315.47
5.5.30.0080.02815.41
5.5.20.0060.03315.59
5.5.10.0050.03615.49
5.5.00.0070.03215.40

preferences:
65.61 ms | 404 KiB | 6 Q