3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = null; $b = false; var_dump(is_null($a) xor $b);

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)
8.3.40.0150.00418.65
8.3.30.0070.00718.83
8.3.20.0000.00820.13
8.3.10.0050.00321.97
8.3.00.0080.00022.41
8.2.170.0030.01022.96
8.2.160.0100.00322.23
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00319.23
8.2.110.0070.00322.11
8.2.100.0080.00317.72
8.2.90.0050.00317.84
8.2.80.0000.00817.97
8.2.70.0030.00617.38
8.2.60.0140.00017.28
8.2.50.0040.00418.07
8.2.40.0070.00018.34
8.2.30.0040.00417.93
8.2.20.0040.00417.57
8.2.10.0000.00817.68
8.2.00.0000.00717.61
8.1.270.0040.00422.05
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00622.51
8.1.230.0110.00020.89
8.1.220.0080.00017.74
8.1.210.0040.00418.88
8.1.200.0030.00617.35
8.1.190.0040.00417.53
8.1.180.0070.00018.10
8.1.170.0030.00518.49
8.1.160.0000.00721.99
8.1.150.0050.00318.64
8.1.140.0040.00417.35
8.1.130.0030.00317.70
8.1.120.0000.00717.41
8.1.110.0070.00017.31
8.1.100.0040.00317.31
8.1.90.0040.00417.44
8.1.80.0030.00317.35
8.1.70.0040.00417.46
8.1.60.0050.00317.61
8.1.50.0040.00417.40
8.1.40.0040.00417.52
8.1.30.0040.00417.64
8.1.20.0000.00817.70
8.1.10.0040.00417.45
8.1.00.0050.00317.38
8.0.300.0050.00219.90
8.0.290.0000.00717.18
8.0.280.0030.00318.44
8.0.270.0000.00717.14
8.0.260.0030.00316.80
8.0.250.0030.00616.91
8.0.240.0030.00316.83
8.0.230.0040.00416.81
8.0.220.0000.00616.95
8.0.210.0030.00316.82
8.0.200.0050.00216.82
8.0.190.0070.00016.91
8.0.180.0040.00416.89
8.0.170.0080.00016.91
8.0.160.0000.00716.87
8.0.150.0030.00316.80
8.0.140.0000.00716.82
8.0.130.0030.00313.32
8.0.120.0090.00016.80
8.0.110.0050.00316.91
8.0.100.0030.00316.85
8.0.90.0000.00716.84
8.0.80.0070.01016.83
8.0.70.0000.00716.88
8.0.60.0050.00216.99
8.0.50.0040.00416.70
8.0.30.0040.01817.05
8.0.20.0080.01217.40
8.0.10.0040.00416.80
8.0.00.0090.01216.71
7.4.330.0020.00215.09
7.4.320.0000.00716.39
7.4.300.0000.00616.55
7.4.290.0040.00416.40
7.4.280.0000.00616.44
7.4.270.0000.00616.44
7.4.260.0000.00716.47
7.4.250.0000.00816.46
7.4.240.0020.00516.52
7.4.230.0030.00316.58
7.4.220.0090.00916.46
7.4.210.0080.01016.58
7.4.200.0000.00716.42
7.4.190.0070.00016.45
7.4.160.0100.00716.27
7.4.150.0120.00617.40
7.4.140.0090.01117.86
7.4.130.0130.00916.54
7.4.120.0090.00916.44
7.4.110.0140.00316.45
7.4.100.0070.01016.60
7.4.90.0100.00716.34
7.4.80.0090.00919.39
7.4.70.0130.00316.57
7.4.60.0130.00316.37
7.4.50.0040.00416.32
7.4.40.0070.00722.77
7.4.30.0090.00916.52
7.4.00.0070.01114.92
7.3.330.0070.00013.10
7.3.320.0000.00513.08
7.3.310.0070.00016.13
7.3.300.0030.00316.16
7.3.290.0110.00316.18
7.3.280.0080.00716.21
7.3.270.0110.01117.40
7.3.260.0080.00816.38
7.3.250.0110.01216.27
7.3.240.0120.00916.13
7.3.230.0040.01516.39
7.3.210.0100.00716.40
7.3.200.0080.01119.39
7.3.190.0040.01416.44
7.3.180.0070.01016.31
7.3.170.0090.00616.27
7.3.160.0150.00616.50
7.3.120.0130.00014.75
7.3.00.0100.00516.43
7.2.330.0130.01016.64
7.2.320.0070.01716.39
7.2.310.0070.01016.54
7.2.300.0030.01516.48
7.2.290.0070.01016.25
7.2.130.0070.01316.66
7.2.120.0090.01316.71
7.2.110.0100.00716.80
7.2.100.0130.00916.55
7.2.90.0170.00716.98
7.2.80.0140.00516.76
7.2.70.0210.00716.77
7.2.60.0100.01016.49
7.2.50.0170.00716.91
7.2.40.0190.00516.59
7.2.30.0090.00916.96
7.2.20.0130.01016.68
7.2.10.0140.01216.71
7.2.00.0080.01018.04
7.1.250.0120.00815.35
7.1.240.0090.01115.63
7.1.230.0130.00415.75
7.1.220.0040.01315.66
7.1.210.0120.00815.71
7.1.200.0090.00615.60
7.1.190.0110.01515.80
7.1.180.0120.01215.84
7.1.170.0110.01515.67
7.1.160.0130.00715.75
7.1.150.0130.00315.37
7.1.140.0150.00915.71
7.1.130.0140.00715.30
7.1.120.0110.00415.72
7.1.110.0060.00615.57
7.1.100.0100.00416.62
7.1.90.0100.01015.54
7.1.80.0150.00015.55
7.1.70.0080.00416.34
7.1.60.0120.01117.70
7.1.50.0070.00716.41
7.1.40.0280.00015.55
7.1.30.0040.01115.52
7.1.20.0060.00615.46
7.1.10.0100.00715.66
7.1.00.0080.04318.97
7.0.330.0140.00315.19
7.0.320.0070.01315.18
7.0.310.0110.01115.11
7.0.300.0070.01115.14
7.0.290.0110.01115.26
7.0.280.0080.00815.56
7.0.270.0140.00015.36
7.0.260.0080.00815.36
7.0.250.0180.00015.18
7.0.240.0040.00815.50
7.0.230.0050.00815.27
7.0.220.0140.00315.20
7.0.210.0110.00315.19
7.0.200.0080.00315.90
7.0.190.0070.00715.34
7.0.180.0060.00614.99
7.0.170.0070.00715.12
7.0.160.0160.00015.18
7.0.150.0160.00315.34
7.0.140.0070.03818.67
7.0.130.0120.00615.36
7.0.120.0180.00015.23
7.0.110.0130.00315.21
7.0.100.0070.01015.32
7.0.90.0090.00615.18
7.0.80.0110.00415.18
7.0.70.0140.00315.30
7.0.60.0060.02217.53
7.0.50.0050.02516.57
7.0.40.0040.02716.65
7.0.30.0130.02516.99
7.0.20.0180.03116.68
7.0.10.0200.02016.85
7.0.00.0030.05116.87
5.6.380.0090.00614.05
5.6.370.0090.00913.85
5.6.360.0060.01314.11
5.6.350.0070.00714.15
5.6.340.0120.00413.99
5.6.330.0000.01914.30
5.6.320.0030.01314.06
5.6.310.0090.00614.17
5.6.300.0130.00314.05
5.6.290.0060.01114.16
5.6.280.0080.03917.46
5.6.270.0070.01114.15
5.6.260.0050.01014.30
5.6.250.0070.00913.94
5.6.240.0100.00814.07
5.6.230.0040.01414.31
5.6.220.0060.01214.07
5.6.210.0170.02917.45
5.6.200.0100.04516.26
5.6.190.0050.03617.37
5.6.180.1760.02617.39
5.6.170.0180.04517.15
5.6.160.0030.04917.35
5.6.150.0080.02816.11
5.6.140.0090.04616.11
5.6.130.0130.03815.92
5.6.120.0040.03217.59
5.6.110.0080.04417.54
5.6.100.0090.04117.57
5.6.90.0090.04517.52
5.6.80.0050.04717.15
5.6.70.0210.03717.33
5.6.60.0100.00614.02
5.6.50.0120.00314.29
5.6.40.0040.01113.95
5.6.30.0080.00814.45
5.6.20.0110.00613.75
5.6.10.0040.01113.92
5.6.00.0030.01413.92
5.5.380.0040.00710.90
5.5.370.0040.00410.90
5.5.360.0050.00510.90
5.5.350.0070.02215.83
5.5.340.0060.03514.44
5.5.330.0140.03515.67
5.5.320.0150.04015.57
5.5.310.0220.03715.60
5.5.300.0080.04014.37
5.5.290.0070.04214.41
5.5.280.0060.02615.89
5.5.270.0090.03715.82
5.5.260.0060.02515.89
5.5.250.0100.04315.69
5.5.240.0050.04415.59
5.5.230.0080.00310.90
5.5.220.0060.00310.90
5.5.210.0000.00810.90
5.5.200.0080.00410.90
5.5.190.0090.00310.90
5.5.180.0100.00010.97
5.5.170.0070.00710.90
5.5.160.0000.01210.90
5.5.150.0060.00610.90
5.5.140.0030.00811.00
5.5.130.0100.00010.91
5.5.120.0040.00710.90
5.5.110.0080.00410.98
5.5.100.0110.00310.90
5.5.90.0040.00410.97
5.5.80.0090.00410.90
5.5.70.0030.00310.90
5.5.60.0000.01010.90
5.5.50.0070.00310.91
5.5.40.0000.01210.90
5.5.30.0080.00410.90
5.5.20.0040.01210.90
5.5.10.0040.00810.90
5.5.00.0030.00710.90
5.4.450.0200.03915.21
5.4.440.0130.03015.00
5.4.430.0110.03715.23
5.4.420.0080.03015.07
5.4.410.0080.02715.13
5.4.400.0490.00414.82
5.4.390.0500.00414.85
5.4.380.0150.02814.83
5.4.370.0080.02814.69
5.4.360.0120.02514.80
5.4.350.0070.03214.84
5.4.340.0060.03314.84
5.4.330.0090.00010.90
5.4.320.0040.02311.67
5.4.310.0060.02211.67
5.4.300.0020.02411.68
5.4.290.0050.03611.67
5.4.280.0050.01811.62
5.4.270.0120.03014.96
5.4.260.0080.03614.95
5.4.250.0100.02914.90
5.4.240.0100.03014.87
5.4.230.0120.03614.96
5.4.220.0010.03414.92
5.4.210.0080.03514.90
5.4.200.0130.03314.78
5.4.190.0090.03014.95
5.4.180.0030.04014.77
5.4.170.0090.03514.94
5.4.160.0100.03714.88
5.4.150.0060.03314.89
5.4.140.0100.03613.72
5.4.130.0080.02413.70
5.4.120.0050.03913.67
5.4.110.0030.04213.81
5.4.100.0080.02813.62
5.4.90.0140.03013.63
5.4.80.0060.03813.73
5.4.70.0090.02713.66
5.4.60.0110.03813.74
5.4.50.0080.02313.66
5.4.40.0090.03513.68
5.4.30.0070.03613.68
5.4.20.0050.03713.68
5.4.10.0050.04013.64
5.4.00.0050.02813.30
5.3.290.0050.02711.85
5.3.280.0150.02812.82
5.3.270.0080.04312.76
5.3.260.0050.03812.69
5.3.250.0050.04112.63
5.3.240.0080.03612.69
5.3.230.0060.02812.70
5.3.220.0080.03712.66
5.3.210.0100.03812.74
5.3.200.0060.03212.74
5.3.190.0060.03112.75
5.3.180.0110.03812.78
5.3.170.0090.03212.58
5.3.160.0100.03712.66
5.3.150.0120.03512.77
5.3.140.0090.03512.73
5.3.130.0080.02812.66
5.3.120.0080.04012.72
5.3.110.0040.03212.79
5.3.100.0110.02812.54
5.3.90.0030.04012.41
5.3.80.0070.02712.40
5.3.70.0120.03012.46
5.3.60.0050.03112.30
5.3.50.0070.02512.42
5.3.40.0030.04112.27
5.3.30.0080.03512.42
5.3.20.0050.03712.23
5.3.10.0030.03312.28
5.3.00.0050.03712.34
5.2.170.0070.02611.07
5.2.160.0060.02011.02
5.2.150.0080.02611.09
5.2.140.0050.02310.97
5.2.130.0110.02311.00
5.2.120.0050.03010.95
5.2.110.0040.02911.00
5.2.100.0050.03010.95
5.2.90.0110.01510.96
5.2.80.0050.02211.05
5.2.70.0070.03011.04
5.2.60.0050.03010.98
5.2.50.0090.02010.92
5.2.40.0080.02010.95
5.2.30.0050.02210.94
5.2.20.0080.01710.92
5.2.10.0020.03010.92
5.2.00.0020.02410.84
5.1.60.0080.02110.33
5.1.50.0030.02010.41
5.1.40.0070.01710.42
5.1.30.0030.02110.66
5.1.20.0060.02310.70
5.1.10.0100.01510.58
5.1.00.0020.02610.58
5.0.50.0070.0189.68
5.0.40.0030.0169.54
5.0.30.0000.0249.68
5.0.20.0060.0169.50
5.0.10.0050.0139.49
5.0.00.0000.0319.58
4.4.90.0080.0109.06
4.4.80.0020.0139.06
4.4.70.0000.0149.06
4.4.60.0000.0199.06
4.4.50.0050.0109.06
4.4.40.0010.0199.06
4.4.30.0080.0139.06
4.4.20.0030.0139.06
4.4.10.0040.0109.06
4.4.00.0030.0219.06
4.3.110.0010.0139.06
4.3.100.0050.0139.06
4.3.90.0070.0089.06
4.3.80.0070.0199.06
4.3.70.0030.0129.06
4.3.60.0030.0109.06
4.3.50.0020.0179.06
4.3.40.0030.0179.06
4.3.30.0030.0139.06
4.3.20.0020.0139.06
4.3.10.0050.0119.06
4.3.00.0050.0109.34

preferences:
40.93 ms | 400 KiB | 5 Q