3v4l.org

run code in 300+ PHP versions simultaneously
<?php if (!isset($foo));

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)
8.3.40.0070.01018.85
8.3.30.0140.00018.79
8.3.20.0040.00420.26
8.3.10.0080.00023.43
8.3.00.0000.00819.26
8.2.170.0110.00422.96
8.2.160.0070.00720.50
8.2.150.0070.00024.18
8.2.140.0070.00024.66
8.2.130.0050.00326.16
8.2.120.0040.00421.09
8.2.110.0040.00422.29
8.2.100.0120.00018.22
8.2.90.0040.00719.01
8.2.80.0040.00417.97
8.2.70.0090.00017.50
8.2.60.0030.00617.91
8.2.50.0060.00318.07
8.2.40.0040.00719.82
8.2.30.0070.00018.04
8.2.20.0040.00417.60
8.2.10.0000.00817.97
8.2.00.0040.00417.62
8.1.270.0060.00323.92
8.1.260.0100.00026.35
8.1.250.0000.00728.09
8.1.240.0080.00022.03
8.1.230.0000.01219.09
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0030.00617.10
8.1.190.0060.00317.23
8.1.180.0080.00018.10
8.1.170.0080.00018.31
8.1.160.0000.00822.05
8.1.150.0000.00818.89
8.1.140.0000.00717.38
8.1.130.0030.00317.67
8.1.120.0030.00317.25
8.1.110.0000.00717.41
8.1.100.0000.00817.30
8.1.90.0040.00417.31
8.1.80.0030.00517.29
8.1.70.0050.00317.33
8.1.60.0080.00017.46
8.1.50.0060.00317.36
8.1.40.0040.00417.32
8.1.30.0050.00317.50
8.1.20.0000.00717.47
8.1.10.0040.00417.34
8.1.00.0040.00417.31
8.0.300.0030.00518.77
8.0.290.0070.00016.63
8.0.280.0000.00718.39
8.0.270.0070.00017.25
8.0.260.0030.00317.29
8.0.250.0000.00716.90
8.0.240.0000.00716.95
8.0.230.0050.00216.87
8.0.220.0070.00016.71
8.0.210.0030.00316.70
8.0.200.0000.00616.75
8.0.190.0070.00016.87
8.0.180.0000.00716.69
8.0.170.0000.00816.80
8.0.160.0030.00516.89
8.0.150.0000.00716.77
8.0.140.0000.00716.67
8.0.130.0040.00413.32
8.0.120.0000.00716.67
8.0.110.0040.00416.68
8.0.100.0040.00416.79
8.0.90.0040.00416.85
8.0.80.0110.00416.81
8.0.70.0000.00716.86
8.0.60.0040.00416.70
8.0.50.0040.00416.81
8.0.30.0080.01117.05
8.0.20.0090.01117.40
8.0.10.0000.00716.90
8.0.00.0120.00816.80
7.4.330.0050.00015.09
7.4.320.0060.00016.46
7.4.300.0060.00016.53
7.4.290.0070.00016.44
7.4.280.0000.00716.56
7.4.270.0070.00016.49
7.4.260.0000.00816.43
7.4.250.0050.00216.19
7.4.240.0030.00416.41
7.4.230.0030.00316.52
7.4.220.0090.00916.34
7.4.210.0090.00616.31
7.4.200.0030.00316.40
7.4.160.0220.01516.45
7.4.150.0110.00717.40
7.4.140.0120.00517.86
7.4.130.0120.00916.44
7.4.120.0120.00516.47
7.4.110.0140.00916.44
7.4.100.0030.01516.33
7.4.90.0090.00816.41
7.4.80.0100.00719.39
7.4.70.0090.01016.44
7.4.60.0070.01016.32
7.4.50.0030.00516.28
7.4.40.0060.01016.57
7.4.30.0100.00716.27
7.4.00.0070.01014.94
7.3.330.0000.00713.05
7.3.320.0000.00812.87
7.3.310.0020.00516.13
7.3.300.0070.00016.08
7.3.290.0130.00716.14
7.3.280.0100.00416.08
7.3.270.0070.01717.40
7.3.260.0120.00916.22
7.3.250.0070.01116.31
7.3.240.0140.00316.32
7.3.230.0150.00316.39
7.3.210.0140.00816.33
7.3.200.0030.01219.39
7.3.190.0130.00716.50
7.3.180.0060.00916.41
7.3.170.0040.01116.27
7.3.160.0080.00816.41
7.3.120.0050.01214.71
7.3.110.0060.01214.75
7.3.100.0050.01314.83
7.3.90.0050.00814.54
7.3.80.0070.01114.67
7.3.70.0030.00914.61
7.3.60.0070.00714.74
7.3.50.0030.00714.56
7.3.40.0080.00314.54
7.3.30.0000.01114.68
7.3.20.0030.01016.31
7.3.10.0030.00616.43
7.3.00.0060.00716.59
7.2.330.0160.00616.52
7.2.320.0100.00716.47
7.2.310.0110.00416.34
7.2.300.0100.01016.57
7.2.290.0130.00916.45
7.2.250.0070.01114.88
7.2.240.0080.00914.68
7.2.230.0080.00914.94
7.2.220.0070.00914.71
7.2.210.0040.01115.01
7.2.200.0060.00614.89
7.2.190.0050.00814.61
7.2.180.0060.00814.71
7.2.170.0080.00614.74
7.2.160.0000.01214.97
7.2.150.0090.00316.89
7.2.140.0070.00316.88
7.2.130.0070.01016.77
7.2.120.0060.00316.64
7.2.110.0030.00916.67
7.2.100.0030.00916.82
7.2.90.0070.01016.56
7.2.80.0140.00716.85
7.2.70.0030.01616.66
7.2.60.0060.00716.63
7.2.50.0080.00616.72
7.2.40.0100.00616.75
7.2.30.0090.00916.99
7.2.20.0090.00616.67
7.2.10.0100.00716.52
7.2.00.0070.00716.79
7.1.330.0070.00815.60
7.1.320.0060.00815.71
7.1.310.0110.00615.53
7.1.300.0070.00515.62
7.1.290.0070.00415.56
7.1.280.0040.00815.53
7.1.270.0080.00515.50
7.1.260.0050.01015.51
7.1.250.0000.01515.52
7.1.240.0060.00315.72
7.1.230.0000.01215.72
7.1.220.0030.01015.67
7.1.210.0030.01315.50
7.1.200.0000.01415.43
7.1.190.0000.01115.37
7.1.180.0030.00915.68
7.1.170.0070.00715.79
7.1.160.0070.01015.64
7.1.150.0040.00715.64
7.1.140.0030.01315.71
7.1.130.0060.00915.77
7.1.120.0070.00715.75
7.1.110.0100.00315.53
7.1.100.0000.01215.55
7.1.90.0080.00815.37
7.1.80.0060.00615.64
7.1.70.0060.00516.29
7.1.60.0050.01217.50
7.1.50.0080.00716.18
7.1.40.0070.00715.49
7.1.30.0030.00915.52
7.1.20.0090.00915.70
7.1.10.0040.00815.78
7.1.00.0080.04019.09
7.0.330.0090.00915.33
7.0.320.0030.00515.05
7.0.310.0090.00315.29
7.0.300.0100.00314.98
7.0.290.0030.01315.44
7.0.280.0090.00315.48
7.0.270.0050.00515.36
7.0.260.0040.01115.59
7.0.250.0030.00715.25
7.0.240.0030.01315.38
7.0.230.0070.00715.53
7.0.220.0030.00915.45
7.0.210.0000.01215.36
7.0.200.0050.00615.87
7.0.190.0030.00915.26
7.0.180.0070.00715.48
7.0.170.0110.00415.27
7.0.160.0090.00915.50
7.0.150.0040.01115.40
7.0.140.0040.03818.70
7.0.130.0080.00815.20
7.0.120.0080.00315.47
7.0.110.0070.00315.32
7.0.100.0070.00715.50
7.0.90.0040.00715.38
7.0.80.0030.01015.09
7.0.70.0000.01515.36
7.0.60.0020.04117.59
7.0.50.0060.03716.50
7.0.40.0090.04516.77
7.0.30.0170.04016.64
7.0.20.0230.03816.56
7.0.10.0030.04916.74
7.0.00.0100.04316.67
5.6.400.0100.00314.49
5.6.390.0050.00813.95
5.6.380.0030.01013.97
5.6.370.0130.00614.19
5.6.360.0160.00014.23
5.6.350.0070.01014.48
5.6.340.0000.01114.17
5.6.330.0050.00514.27
5.6.320.0100.00314.48
5.6.310.0120.00314.11
5.6.300.0070.00714.22
5.6.290.0030.00614.41
5.6.280.0040.04017.57
5.6.270.0090.00613.89
5.6.260.0000.01613.90
5.6.250.0000.01314.50
5.6.240.0030.00614.16
5.6.230.0060.00614.18
5.6.220.0090.00614.18
5.6.210.0030.04817.45
5.6.200.0060.02516.22
5.6.190.0020.04017.14
5.6.180.1740.02517.50
5.6.170.0230.03117.19
5.6.160.0050.02417.24
5.6.150.0050.03416.21
5.6.140.0030.02316.24
5.6.130.0030.02516.13
5.6.120.0020.03717.50
5.6.110.0030.04317.67
5.6.100.0050.02317.51
5.6.90.0130.04017.51
5.6.80.0060.02717.28
5.6.70.2330.02117.43
5.6.60.0030.01314.14
5.6.50.0110.00314.21
5.6.40.0060.00914.10
5.6.30.0090.00914.07
5.6.20.0060.00613.91
5.6.10.0040.00814.02
5.6.00.0060.00814.06
5.5.380.0040.00814.26
5.5.370.0030.00914.27
5.5.360.0040.00413.98
5.5.350.0130.04317.35
5.5.340.0110.04016.15
5.5.330.0080.04317.07
5.5.320.0200.02217.17
5.5.310.0250.03717.24
5.5.300.0030.02516.01
5.5.290.0080.02315.99
5.5.280.0080.02417.63
5.5.270.0100.04517.45
5.5.260.0050.04117.46
5.5.250.0080.03817.32
5.5.240.0110.02317.09
5.5.230.0040.00413.98
5.5.220.0040.01213.91
5.5.210.0040.00714.32
5.5.200.0060.00914.13
5.5.190.0120.00614.22
5.5.180.0050.00514.06
5.5.170.0070.00413.83
5.5.160.0030.01013.87
5.5.150.0030.00913.93
5.5.140.0080.00413.85
5.5.130.0030.01013.90
5.5.120.0070.00714.14
5.5.110.0040.00713.91
5.5.100.0030.00914.14
5.5.90.0040.00714.12
5.5.80.0090.00614.02
5.5.70.0080.00614.31
5.5.60.0100.00313.63
5.5.50.0040.01113.76
5.5.40.0040.00413.84
5.5.30.0090.00613.95
5.5.20.0090.00613.91
5.5.10.0000.01713.50
5.5.00.0030.00713.95
5.4.450.0190.02616.07
5.4.440.0230.02615.90
5.4.430.0200.02515.85
5.4.420.0180.02615.99
5.4.410.0250.02515.82
5.4.400.0170.02315.70
5.4.390.0180.01915.91
5.4.380.0150.03415.53
5.4.370.0240.03315.66
5.4.360.0180.03015.64
5.4.350.0200.02615.64
5.4.340.0240.02415.58
5.4.330.0030.00312.57
5.4.320.0050.02112.51
5.4.310.0050.02112.51
5.4.300.0050.02412.51
5.4.290.0050.02712.51
5.4.280.0030.02312.46
5.4.270.0040.02012.46
5.4.260.0040.02112.46
5.4.250.0050.01912.46
5.4.240.0050.02112.46
5.4.230.0040.02712.45
5.4.220.0050.02212.45
5.4.210.0040.02212.45
5.4.200.0060.02012.45
5.4.190.0050.01912.45
5.4.180.0040.02212.45
5.4.170.0040.02312.46
5.4.160.0030.02312.45
5.4.150.0070.01912.45
5.4.140.0040.02212.29
5.4.130.0040.02212.29
5.4.120.0060.02012.27
5.4.110.0060.01912.27
5.4.100.0100.01612.26
5.4.90.0040.02312.26
5.4.80.0050.02012.27
5.4.70.0040.02012.27
5.4.60.0040.02212.26
5.4.50.0070.01812.26
5.4.40.0060.02112.26
5.4.30.0070.02012.26
5.4.20.0050.02212.26
5.4.10.0020.02212.26
5.4.00.0030.02212.00
5.3.290.0050.03912.80
5.3.280.0050.03812.71
5.3.270.0070.03712.73
5.3.260.0060.03812.72
5.3.250.0030.04012.72
5.3.240.0090.03712.72
5.3.230.0050.03812.71
5.3.220.0100.03312.68
5.3.210.0060.03912.68
5.3.200.0060.03712.68
5.3.190.0070.03612.68
5.3.180.0080.03412.67
5.3.170.0060.03612.67
5.3.160.0080.03412.68
5.3.150.0030.04012.68
5.3.140.0060.03912.66
5.3.130.0050.03912.66
5.3.120.0090.03512.66
5.3.110.0040.04012.66
5.3.100.0040.03812.12
5.3.90.0020.04012.09
5.3.80.0050.03712.07
5.3.70.0050.03712.07
5.3.60.0060.03612.07
5.3.50.0080.03312.00
5.3.40.0050.04112.00
5.3.30.0070.03711.94
5.3.20.0050.03611.72
5.3.10.0070.03311.69
5.3.00.0060.03611.67
5.2.170.0030.0339.18
5.2.160.0020.0329.17
5.2.150.0060.0289.17
5.2.140.0050.0309.17
5.2.130.0040.0329.13
5.2.120.0080.0369.13
5.2.110.0060.0289.14
5.2.100.0050.0289.13
5.2.90.0060.0279.14
5.2.80.0040.0319.13
5.2.70.0040.0319.13
5.2.60.0040.0319.08
5.2.50.0050.0309.05
5.2.40.0020.0329.03
5.2.30.0030.0369.00
5.2.20.0020.0309.00
5.2.10.0060.0268.92
5.2.00.0050.0288.77
5.1.60.0040.0248.05
5.1.50.0060.0238.05
5.1.40.0050.0238.04
5.1.30.0040.0268.39
5.1.20.0080.0238.41
5.1.10.0030.0278.13
5.1.00.0060.0238.13
5.0.50.0020.0226.61
5.0.40.0060.0266.47
5.0.30.0060.0316.28
5.0.20.0060.0236.25
5.0.10.0030.0236.23
5.0.00.0030.0336.23
4.4.90.0030.0184.78
4.4.80.0030.0154.75
4.4.70.0020.0164.76
4.4.60.0030.0154.75
4.4.50.0010.0174.77
4.4.40.0040.0264.71
4.4.30.0020.0184.76
4.4.20.0040.0144.85
4.4.10.0040.0144.85
4.4.00.0000.0274.76
4.3.110.0040.0144.67
4.3.100.0040.0134.66
4.3.90.0040.0134.63
4.3.80.0020.0254.58
4.3.70.0020.0154.63
4.3.60.0040.0134.63
4.3.50.0010.0174.63
4.3.40.0030.0234.54
4.3.30.0040.0143.28
4.3.20.0010.0173.25
4.3.10.0030.0153.21
4.3.00.0030.02015.68

preferences:
40.63 ms | 400 KiB | 5 Q