3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = null; is_null($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)
8.3.40.0120.00318.77
8.3.30.0080.01220.21
8.3.20.0070.00020.07
8.3.10.0000.00821.03
8.3.00.0040.00422.58
8.2.170.0040.01122.96
8.2.160.0080.00619.05
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00020.81
8.2.110.0040.00420.87
8.2.100.0060.00617.72
8.2.90.0000.00719.00
8.2.80.0000.00717.97
8.2.70.0050.00317.38
8.2.60.0000.00817.80
8.2.50.0040.00418.07
8.2.40.0030.00518.10
8.2.30.0040.00419.13
8.2.20.0080.00018.11
8.2.10.0090.00318.26
8.2.00.0080.00418.16
8.1.270.0000.01223.89
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0050.00522.47
8.1.230.0000.01117.77
8.1.220.0000.00818.77
8.1.210.0080.00020.75
8.1.200.0060.00317.23
8.1.190.0040.00417.41
8.1.180.0040.00418.10
8.1.170.0000.00818.59
8.1.160.0040.00418.74
8.1.150.0070.00518.52
8.1.140.0080.00417.94
8.1.130.0060.00518.18
8.1.120.0080.00317.88
8.1.110.0050.00617.94
8.1.100.0050.00618.01
8.1.90.0100.00118.00
8.1.80.0040.00717.99
8.1.70.0040.00717.96
8.1.60.0110.00218.06
8.1.50.0100.00417.94
8.1.40.0090.00418.06
8.1.30.0090.00318.13
8.1.20.0080.00418.12
8.1.10.0050.00718.05
8.1.00.0100.00418.08
8.0.300.0040.00419.98
8.0.290.0070.00017.18
8.0.280.0050.00518.18
8.0.270.0020.00917.51
8.0.260.0080.00317.28
8.0.250.0100.00017.45
8.0.240.0040.00717.47
8.0.230.0090.00017.43
8.0.220.0050.00417.30
8.0.210.0060.00517.37
8.0.200.0080.00317.28
8.0.190.0030.00717.44
8.0.180.0070.00217.36
8.0.170.0050.00417.38
8.0.160.0030.00517.32
8.0.150.0030.00517.36
8.0.140.0000.00817.16
8.0.130.0070.00115.57
8.0.120.0060.00617.34
8.0.110.0040.00617.12
8.0.100.0040.00517.13
8.0.90.0040.00517.06
8.0.80.0100.00317.16
8.0.70.0040.00517.18
8.0.60.0060.00417.08
8.0.50.0050.00517.18
8.0.30.0120.00517.15
8.0.20.0100.00717.30
8.0.10.0040.00917.27
8.0.00.0090.00717.04
7.4.330.0080.00215.36
7.4.320.0070.00317.05
7.4.300.0040.00717.02
7.4.290.0050.00317.00
7.4.280.0080.00417.05
7.4.270.0100.00317.01
7.4.260.0080.00215.41
7.4.250.0070.00617.00
7.4.240.0030.00716.79
7.4.230.0040.00616.89
7.4.220.0080.00516.84
7.4.210.0070.00816.64
7.4.200.0050.00416.88
7.4.190.0060.00416.79
7.4.180.0070.00417.17
7.4.160.0060.00916.74
7.4.150.0070.00817.04
7.4.140.0050.00917.17
7.4.130.0090.00716.64
7.4.120.0090.00516.62
7.4.110.0100.00516.59
7.4.100.0090.00516.74
7.4.90.0090.00516.60
7.4.80.0090.00517.45
7.4.70.0070.00616.59
7.4.60.0080.00516.66
7.4.50.0040.00716.53
7.4.40.0080.00518.17
7.4.30.0060.00716.62
7.4.20.0080.00416.68
7.4.10.0050.00816.72
7.4.00.0070.00616.22
7.3.330.0030.00615.05
7.3.320.0040.00515.10
7.3.310.0040.00416.25
7.3.300.0060.00316.55
7.3.290.0080.00416.42
7.3.280.0080.00716.34
7.3.270.0090.00516.72
7.3.260.0100.00517.38
7.3.250.0090.00616.48
7.3.240.0070.00716.40
7.3.230.0080.00616.45
7.3.220.0080.00516.38
7.3.210.0060.00716.30
7.3.200.0070.00617.16
7.3.190.0070.00516.36
7.3.180.0080.00716.43
7.3.170.0070.00716.42
7.3.160.0080.00516.38
7.3.150.0060.00516.47
7.3.140.0050.00916.46
7.3.130.0040.00916.49
7.3.120.0060.00616.01
7.3.110.0060.00616.35
7.3.100.0060.00616.35
7.3.90.0100.00316.74
7.3.80.0060.00716.39
7.3.70.0090.00316.64
7.3.60.0090.00516.67
7.3.50.0120.00416.16
7.3.40.0080.00716.54
7.3.30.0100.00316.58
7.3.20.0100.00417.83
7.3.10.0040.00917.43
7.3.00.0050.00817.34
7.2.340.0110.00616.68
7.2.330.0090.00716.50
7.2.320.0100.00716.59
7.2.310.0130.00416.47
7.2.300.0110.00516.55
7.2.290.0130.00316.47
7.2.280.0130.00516.58
7.2.270.0120.00516.70
7.2.260.0090.00816.64
7.2.250.0110.00916.48
7.2.240.0110.00616.47
7.2.230.0100.00716.60
7.2.220.0120.00616.62
7.2.210.0090.00716.54
7.2.200.0100.00716.59
7.2.190.0140.00416.78
7.2.180.0100.00716.74
7.2.170.0100.00916.73
7.2.160.0120.00616.73
7.2.150.0110.00517.97
7.2.140.0150.00617.97
7.2.130.0120.00417.76
7.2.120.0090.00717.45
7.2.110.0080.00717.41
7.2.100.0080.00917.46
7.2.90.0110.00617.49
7.2.80.0090.00817.41
7.2.70.0100.00617.60
7.2.60.0100.00517.38
7.2.50.0100.00717.49
7.2.40.0140.00817.60
7.2.30.0060.01017.58
7.2.20.0110.00617.59
7.2.10.0130.00717.55
7.2.00.0090.00817.84
7.1.330.0120.00316.75
7.1.320.0120.00316.86
7.1.310.0100.00816.92
7.1.300.0120.00416.92
7.1.290.0110.00716.93
7.1.280.0110.00716.85
7.1.270.0100.00516.97
7.1.260.0070.00916.81
7.1.250.0120.00416.47
7.1.240.0100.00416.34
7.1.230.0080.00816.34
7.1.220.0070.00816.39
7.1.210.0100.00716.31
7.1.200.0090.00716.23
7.1.190.0100.00516.35
7.1.180.0090.00616.20
7.1.170.0110.00416.36
7.1.160.0130.00416.27
7.1.150.0090.00716.18
7.1.140.0110.00616.29
7.1.130.0120.00616.25
7.1.120.0120.00516.23
7.1.110.0090.00516.24
7.1.100.0090.00716.50
7.1.90.0100.00616.35
7.1.80.0080.00716.30
7.1.70.0090.00716.34
7.1.60.0090.00616.43
7.1.50.0110.00416.48
7.1.40.0350.00516.33
7.1.30.0070.00816.35
7.1.20.0210.00416.34
7.1.10.0100.00516.40
7.1.00.0070.00816.33
7.0.330.0100.00416.21
7.0.320.0070.00716.01
7.0.310.0070.00816.10
7.0.300.0110.00516.06
7.0.290.0110.00416.01
7.0.280.0080.00716.03
7.0.270.0110.00515.99
7.0.260.0110.00515.99
7.0.250.0090.00816.12
7.0.240.0110.00516.07
7.0.230.0120.00416.15
7.0.220.0070.00916.12
7.0.210.0100.00516.12
7.0.200.0100.00616.17
7.0.190.0130.00616.17
7.0.180.0090.00616.13
7.0.170.0070.00816.11
7.0.160.0080.00616.13
7.0.150.0080.00916.05
7.0.140.0150.00816.02
7.0.130.0070.00816.17
7.0.120.0070.00816.16
7.0.110.0080.00716.01
7.0.100.0100.00416.07
7.0.90.0090.00615.98
7.0.80.0090.00716.10
7.0.70.0100.00516.09
7.0.60.0110.00416.03
7.0.50.0090.00616.03
7.0.40.0150.00615.66
7.0.30.0060.00815.76
7.0.20.0170.00415.62
7.0.10.0070.00815.67
7.0.00.0080.00515.61
5.6.400.0100.00616.04
5.6.390.0100.00616.04
5.6.380.0080.00615.30
5.6.370.0130.00415.28
5.6.360.0090.00715.25
5.6.350.0100.00615.24
5.6.340.0080.00915.23
5.6.330.0110.00715.29
5.6.320.0080.00815.29
5.6.310.0090.00815.22
5.6.300.0080.01316.13
5.6.290.0090.01116.13
5.6.280.0070.01416.12
5.6.270.0090.01316.09
5.6.260.0100.01116.19
5.6.250.0060.01416.22
5.6.240.0100.01416.16
5.6.230.0080.01216.23
5.6.220.0060.01616.23
5.6.210.0150.01016.17
5.6.200.0080.01316.22
5.6.190.0090.01316.27
5.6.180.0060.01616.21
5.6.170.0090.01216.21
5.6.160.0080.02016.21
5.6.150.0080.01316.19
5.6.140.0070.01416.23
5.6.130.0090.01316.18
5.6.120.0080.01316.20
5.6.110.0100.01316.14
5.6.100.0100.01116.13
5.6.90.0080.01316.16
5.6.80.0080.01916.00
5.6.70.0060.02316.06
5.6.60.0080.01316.10
5.6.50.0110.01016.06
5.6.40.0090.01216.06
5.6.30.0090.01316.09
5.6.20.0080.01115.99
5.6.10.0070.01716.00
5.6.00.0070.01315.90
5.5.380.0080.01214.57
5.5.370.0070.01314.60
5.5.360.0080.01114.45
5.5.350.0050.01514.38
5.5.340.0070.01414.54
5.5.330.0080.01214.56
5.5.320.0090.01214.51
5.5.310.0100.01014.47
5.5.300.0070.01214.55
5.5.290.0060.01314.53
5.5.280.0080.01314.58
5.5.270.0070.01214.54
5.5.260.0090.01314.65
5.5.250.0060.01314.55
5.5.240.0120.01114.43
5.5.230.0110.00914.41
5.5.220.0070.01214.44
5.5.210.0070.01014.46
5.5.200.0080.01114.36
5.5.190.0080.01114.38
5.5.180.0070.01214.32
5.5.170.0070.00614.38
5.5.160.0080.01214.37
5.5.150.0080.01014.34
5.5.140.0070.01414.29
5.5.130.0060.01214.27
5.5.120.0050.01414.35
5.5.110.0050.01314.24
5.5.100.0070.01214.38
5.5.90.0080.01014.30
5.5.80.0070.01114.29
5.5.70.0070.01314.33
5.5.60.0100.00814.36
5.5.50.0080.01314.38
5.5.40.0070.01114.36
5.5.30.0080.01314.42
5.5.20.0070.01414.45
5.5.10.0070.01214.53
5.5.00.0070.01314.39
5.4.450.0050.01313.59
5.4.440.0040.01313.61
5.4.430.0070.01013.55
5.4.420.0070.01113.62
5.4.410.0050.01213.52
5.4.400.0070.01013.49
5.4.390.0080.01013.49
5.4.380.0050.01213.45
5.4.370.0060.01013.55
5.4.360.0070.00913.54
5.4.350.0050.01113.47
5.4.340.0050.01313.47
5.4.330.0070.00412.39
5.4.320.0080.01013.53
5.4.310.0080.01513.47
5.4.300.0060.01213.48
5.4.290.0080.01113.60
5.4.280.0070.01113.47
5.4.270.0070.01013.50
5.4.260.0080.01413.44
5.4.250.0060.01113.49
5.4.240.0070.01213.46
5.4.230.0050.01313.39
5.4.220.0050.01413.41
5.4.210.0060.01213.51
5.4.200.0070.01213.49
5.4.190.0080.01113.45
5.4.180.0070.01613.42
5.4.170.0060.01013.41
5.4.160.0070.00913.44
5.4.150.0090.01013.59
5.4.140.0070.01013.16
5.4.130.0080.01113.13
5.4.120.0080.00913.03
5.4.110.0050.01413.07
5.4.100.0060.01113.10
5.4.90.0060.01213.10
5.4.80.0090.00813.12
5.4.70.0040.01313.12
5.4.60.0050.01213.18
5.4.50.0050.01113.12
5.4.40.0060.01113.07
5.4.30.0060.01013.15
5.4.20.0100.00913.16
5.4.10.0090.01213.13
5.4.00.0060.01012.89
5.3.290.0040.01413.04
5.3.280.0070.01412.89
5.3.270.0070.01012.92
5.3.260.0070.00813.00
5.3.250.0080.00912.99
5.3.240.0070.01112.89
5.3.230.0080.01012.89
5.3.220.0080.01212.90
5.3.210.0060.01112.86
5.3.200.0060.01012.88
5.3.190.0050.01112.97
5.3.180.0060.01213.00
5.3.170.0070.01212.98
5.3.160.0070.00913.03
5.3.150.0040.01313.04
5.3.140.0060.01012.93
5.3.130.0060.01112.99
5.3.120.0070.01113.02
5.3.110.0040.01112.96
5.3.100.0040.01012.91
5.3.90.0050.01012.97
5.3.80.0060.01012.85
5.3.70.0070.00912.85
5.3.60.0080.00912.97
5.3.50.0060.01012.90
5.3.40.0060.01612.82
5.3.30.0040.01112.92
5.3.20.0070.00712.85
5.3.10.0060.01012.80
5.3.00.0080.01012.77

preferences:
46.53 ms | 400 KiB | 5 Q