3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = NULL; dump(isset($foo) === FALSE);

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
8.3.30.0040.01118.54
8.3.20.0040.00418.70
8.3.10.0000.00821.21
8.3.00.0000.00721.73
8.2.170.0120.00922.96
8.2.160.0030.01020.39
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0050.00326.16
8.2.120.0040.00419.38
8.2.110.0060.00321.08
8.2.100.0080.00317.72
8.2.90.0040.00419.23
8.2.80.0050.00317.97
8.2.70.0050.00317.50
8.2.60.0030.00617.80
8.2.50.0060.00318.07
8.2.40.0120.00018.09
8.2.30.0000.00819.72
8.2.20.0030.00617.57
8.2.10.0040.00417.63
8.2.00.0040.00417.77
8.1.270.0050.00223.99
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0040.00722.47
8.1.230.0110.00020.85
8.1.220.0000.00818.77
8.1.210.0000.00818.77
8.1.200.0060.00317.38
8.1.190.0000.00817.30
8.1.180.0040.00418.10
8.1.170.0040.00418.55
8.1.160.0000.00718.82
8.1.150.0050.00218.56
8.1.140.0050.00317.25
8.1.130.0040.00417.77
8.1.120.0000.00717.42
8.1.110.0040.00417.33
8.1.100.0000.00717.40
8.1.90.0000.00717.36
8.1.80.0040.00417.41
8.1.70.0050.00317.24
8.1.60.0000.00817.44
8.1.50.0030.00617.39
8.1.40.0000.00917.54
8.1.30.0030.00617.53
8.1.20.0030.00517.65
8.1.10.0050.00317.59
8.1.00.0040.00417.46
8.0.300.0040.00419.98
8.0.290.0090.00016.75
8.0.280.0030.00318.39
8.0.270.0040.00417.12
8.0.260.0000.00616.68
8.0.250.0040.00416.93
8.0.240.0040.00417.01
8.0.230.0030.00316.83
8.0.220.0040.00316.86
8.0.210.0030.00316.79
8.0.200.0000.00716.95
8.0.190.0000.00716.96
8.0.180.0000.00816.91
8.0.170.0030.00316.83
8.0.160.0030.00316.87
8.0.150.0050.00316.85
8.0.140.0040.00716.86
8.0.130.0000.00613.40
8.0.120.0050.00216.68
8.0.110.0000.00716.68
8.0.100.0000.00716.87
8.0.90.0040.00416.95
8.0.80.0060.01016.82
8.0.70.0040.00416.68
8.0.60.0040.00416.75
8.0.50.0040.00416.82
8.0.30.0130.00916.98
8.0.20.0080.01417.40
8.0.10.0040.00416.88
8.0.00.0120.00816.70
7.4.330.0060.00013.43
7.4.320.0040.00416.59
7.4.300.0040.00416.52
7.4.290.0030.00316.51
7.4.280.0000.00716.59
7.4.270.0030.00516.50
7.4.260.0030.00313.28
7.4.250.0070.00016.60
7.4.240.0060.00016.51
7.4.230.0020.00516.39
7.4.220.0120.00616.59
7.4.210.0060.00816.50
7.4.200.0040.00416.68
7.4.190.0070.00016.68
7.4.160.0030.01316.70
7.4.150.0090.00917.40
7.4.140.0100.00717.86
7.4.130.0100.00716.51
7.4.120.0070.01016.38
7.4.110.0070.01016.46
7.4.100.0180.00016.51
7.4.90.0150.00316.44
7.4.80.0100.01019.37
7.4.70.0160.00616.37
7.4.60.0080.00816.55
7.4.50.0030.00616.30
7.4.40.0030.01322.27
7.4.30.0120.01216.75
7.4.00.0090.00814.97
7.3.330.0050.00013.05
7.3.320.0030.00313.04
7.3.310.0000.00816.29
7.3.300.0000.00616.11
7.3.290.0000.01416.25
7.3.280.0080.00816.27
7.3.270.0070.01017.40
7.3.260.0170.00418.24
7.3.250.0120.00716.36
7.3.240.0130.00316.52
7.3.230.0120.00316.48
7.3.210.0090.00716.29
7.3.200.0060.01219.39
7.3.190.0110.00516.36
7.3.180.0060.00916.57
7.3.170.0120.01016.45
7.3.160.0030.01316.41
7.3.120.0090.00814.58
7.3.110.0120.00514.94
7.3.100.0060.01014.81
7.3.90.0070.00514.71
7.3.80.0080.00814.99
7.3.70.0020.00814.88
7.3.60.0070.00614.76
7.3.50.0070.00614.55
7.3.40.0040.01114.82
7.3.30.0060.00814.72
7.3.20.0090.00616.68
7.3.10.0080.00816.53
7.3.00.0050.00816.53
7.2.330.0100.01316.48
7.2.320.0060.01016.39
7.2.310.0070.01016.50
7.2.300.0100.00716.17
7.2.290.0130.00316.34
7.2.250.0030.01314.97
7.2.240.0020.01815.05
7.2.230.0030.00914.89
7.2.220.0070.00514.79
7.2.210.0080.00514.96
7.2.200.0050.00514.82
7.2.190.0030.01214.81
7.2.180.0060.00815.04
7.2.170.0060.00614.73
7.2.160.0040.01214.88
7.2.150.0060.00916.80
7.2.140.0110.00716.65
7.2.130.0040.01116.58
7.2.120.0040.01116.85
7.2.110.0040.00816.54
7.2.100.0100.00616.94
7.2.90.0070.01016.75
7.2.80.0030.00916.60
7.2.70.0090.00616.72
7.2.60.0020.01016.82
7.2.50.0090.00616.85
7.2.40.0040.00716.75
7.2.30.0090.00616.95
7.2.20.0040.00716.88
7.2.10.0030.00616.92
7.2.00.0040.00917.86
7.1.330.0080.00815.55
7.1.320.0030.00915.49
7.1.310.0030.01115.66
7.1.300.0040.00715.37
7.1.290.0070.00615.58
7.1.280.0020.01215.47
7.1.270.0090.00815.63
7.1.260.0060.00615.56
7.1.250.0030.01415.68
7.1.240.0000.00815.63
7.1.230.0080.00415.71
7.1.220.0030.00715.74
7.1.210.0100.00315.49
7.1.200.0030.00715.56
7.1.190.0030.01015.50
7.1.180.0040.01115.72
7.1.170.0070.00715.55
7.1.160.0060.00615.38
7.1.150.0080.00415.49
7.1.140.0030.01015.47
7.1.130.0000.01315.70
7.1.120.0060.00615.46
7.1.110.0030.01315.38
7.1.100.0060.00615.76
7.1.90.0030.00715.77
7.1.80.0030.00715.48
7.1.70.0030.00616.23
7.1.60.0080.00516.17
7.1.50.0060.01116.29
7.1.40.0000.00815.64
7.1.30.0100.00315.68
7.1.20.0080.00615.50
7.1.10.0030.01015.58
7.1.00.0050.04018.93
7.0.330.0060.00915.22
7.0.320.0100.00615.37
7.0.310.0060.00615.44
7.0.300.0070.00315.06
7.0.290.0050.00315.30
7.0.280.0040.00415.07
7.0.270.0000.00915.34
7.0.260.0070.00715.27
7.0.250.0070.00715.27
7.0.240.0100.00715.33
7.0.230.0000.01115.45
7.0.220.0070.00715.36
7.0.210.0060.00915.34
7.0.200.0040.00815.87
7.0.190.0070.00615.18
7.0.180.0040.00714.93
7.0.170.0030.00515.27
7.0.160.0100.00315.31
7.0.150.0090.00615.34
7.0.140.0080.03718.61
7.0.130.0070.00715.07
7.0.120.0040.00415.32
7.0.110.0030.00915.44
7.0.100.0090.00015.11
7.0.90.0070.00715.34
7.0.80.0100.00315.09
7.0.70.0050.00515.34
7.0.60.0050.02518.49
7.0.50.0030.03718.72
7.0.40.0090.03916.70
7.0.30.0030.04316.67
7.0.20.0100.03716.82
7.0.10.0070.04116.66
7.0.00.0050.04216.65
5.6.400.0000.01314.32
5.6.390.0090.00614.20
5.6.380.0070.00714.23
5.6.370.0060.00614.00
5.6.360.0000.01114.32
5.6.350.0070.00414.29
5.6.340.0140.00014.14
5.6.330.0040.01114.24
5.6.320.0060.01014.18
5.6.310.0040.01413.82
5.6.300.0070.00714.44
5.6.290.0090.00014.06
5.6.280.0030.04017.74
5.6.270.0000.01314.33
5.6.260.0030.00613.97
5.6.250.0090.00014.39
5.6.240.0060.00914.43
5.6.230.0100.00613.92
5.6.220.0090.00314.09
5.6.210.0020.03017.40
5.6.200.0040.04517.54
5.6.190.0040.03717.57
5.6.180.0040.04517.51
5.6.170.0100.03517.49
5.6.160.0050.04017.69
5.6.150.0080.03917.45
5.6.140.0070.04117.62
5.6.130.0010.04617.62
5.6.120.0070.03717.70
5.6.110.0060.03917.60
5.6.100.0050.04417.53
5.6.90.0070.04217.66
5.6.80.0010.04417.25
5.6.70.0030.04317.23
5.6.60.0060.04017.24
5.6.50.0070.03917.12
5.6.40.0070.04317.12
5.6.30.0070.04217.22
5.6.20.0090.03917.30
5.6.10.0030.04217.24
5.6.00.0050.04117.34
5.5.380.0090.00613.80
5.5.370.0040.01113.78
5.5.360.0130.00313.97
5.5.350.0070.02217.25
5.5.340.0060.03917.44
5.5.330.0090.03417.44
5.5.320.0030.03717.45
5.5.310.0050.04517.56
5.5.300.0050.03517.52
5.5.290.0030.04917.34
5.5.280.0080.03717.46
5.5.270.0080.04317.23
5.5.260.0100.04017.52
5.5.250.0080.04317.46
5.5.240.0060.04017.20
5.5.230.0080.03817.14
5.5.220.0050.04617.04
5.5.210.0090.04117.23
5.5.200.0120.03517.01
5.5.190.0090.04117.24
5.5.180.0020.04617.04
5.5.170.0000.01414.02
5.5.160.0070.04216.99
5.5.150.0020.03517.17
5.5.140.0090.04017.12
5.5.130.0030.04117.15
5.5.120.0020.04217.18
5.5.110.0040.04116.97
5.5.100.0090.03916.79
5.5.90.0000.04816.96
5.5.80.0040.03917.08
5.5.70.0040.03416.97
5.5.60.0030.04516.99
5.5.50.0050.03517.03
5.5.40.0100.03617.01
5.5.30.0080.04017.12
5.5.20.0070.02417.13
5.5.10.0050.04416.95
5.5.00.0050.04716.96
5.4.450.0060.04315.87
5.4.440.0070.04415.85
5.4.430.0120.04015.86
5.4.420.0070.04115.86
5.4.410.0110.03515.90
5.4.400.0070.04215.71
5.4.390.0090.03915.68
5.4.380.0100.03615.67
5.4.370.0080.04015.75
5.4.360.0060.04315.62
5.4.350.0020.04015.80
5.4.340.0030.03815.79
5.4.330.0050.01012.40
5.4.320.0060.04315.75
5.4.310.0070.04015.75
5.4.300.0050.04115.70
5.4.290.0130.03115.78
5.4.280.0060.04215.70
5.4.270.0130.03715.68
5.4.260.0100.03515.78
5.4.250.0050.03815.73
5.4.240.0040.04115.79
5.4.230.0090.03015.70
5.4.220.0090.04015.65
5.4.210.0070.03515.79
5.4.200.0080.03815.75
5.4.190.0060.04015.74
5.4.180.0040.04315.73
5.4.170.0050.03215.62
5.4.160.0080.03715.74
5.4.150.0110.03415.79
5.4.140.0080.03814.39
5.4.130.0050.04014.33
5.4.120.0040.03614.26
5.4.110.0110.03514.35
5.4.100.0070.04314.39
5.4.90.0070.03414.32
5.4.80.0030.04014.30
5.4.70.0060.03914.34
5.4.60.0070.03814.34
5.4.50.0060.03514.39
5.4.40.0050.03914.37
5.4.30.0040.04114.31
5.4.20.0070.04014.31
5.4.10.0090.02714.33
5.4.00.0040.03614.09
5.3.290.0040.04613.44
5.3.280.0130.03513.48
5.3.270.0030.04013.42
5.3.260.0030.04713.47
5.3.250.0090.04013.46
5.3.240.0060.04413.45
5.3.230.0070.03813.46
5.3.220.0050.04513.46
5.3.210.0100.03913.47
5.3.200.0060.03913.37
5.3.190.0060.03913.47
5.3.180.0070.03713.37
5.3.170.0080.04113.46
5.3.160.0060.03813.47
5.3.150.0090.02913.46
5.3.140.0030.04113.45
5.3.130.0090.03513.43
5.3.120.0080.04213.46
5.3.110.0060.04213.42
5.3.100.0100.03813.16
5.3.90.0030.04713.20
5.3.80.0060.03613.17
5.3.70.0040.03813.10
5.3.60.0050.04113.16
5.3.50.0020.03513.15
5.3.40.0060.03913.16
5.3.30.0070.03613.08
5.3.20.0090.03513.00
5.3.10.0060.03913.00
5.3.00.0040.04112.98
5.2.170.0030.05310.97
5.2.160.0030.05711.06
5.2.150.0030.06011.06
5.2.140.0030.04010.91
5.2.130.0030.06011.13
5.2.120.0030.06011.09
5.2.110.0070.05311.06
5.2.100.0030.06311.14
5.2.90.0000.06011.07
5.2.80.0070.05311.10
5.2.70.0030.05710.88
5.2.60.0000.06011.02
5.2.50.0000.06311.00
5.2.40.0030.06010.83
5.2.30.0070.05711.00
5.2.20.0030.05010.94
5.2.10.0100.05010.81
5.2.00.0030.06010.74
5.1.60.0030.04710.00
5.1.50.0100.0479.97
5.1.40.0030.0439.97
5.1.30.0030.05710.34
5.1.20.0030.05710.37
5.1.10.0070.04310.10
5.1.00.0070.05310.08
5.0.50.0000.0479.09
5.0.40.0030.0439.09
5.0.30.0030.0639.09
5.0.20.0030.0379.09
5.0.10.0000.0479.09
5.0.00.0000.0639.09
4.4.90.0000.0379.09
4.4.80.0000.0309.09
4.4.70.0030.0339.09
4.4.60.0000.0339.09
4.4.50.0030.0339.09
4.4.40.0000.0539.09
4.4.30.0000.0379.09
4.4.20.0000.0379.09
4.4.10.0030.0239.09
4.4.00.0000.0539.09
4.3.110.0070.0309.09
4.3.100.0030.0339.09
4.3.90.0000.0379.09
4.3.80.0030.0409.09
4.3.70.0030.0309.09
4.3.60.0030.0309.09
4.3.50.0000.0379.09
4.3.40.0000.0579.09
4.3.30.0000.0379.09
4.3.20.0070.0339.09
4.3.10.0000.0339.09
4.3.00.0030.0339.09

preferences:
37.26 ms | 400 KiB | 5 Q