3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Everything you enter here will be executed by our servers. Try it! $array = array(); var_dump(isset($array['something'])); var_dump(null !== $array['something']);

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)
8.3.40.0110.00418.79
8.3.30.0030.01019.02
8.3.20.0080.00020.16
8.3.10.0080.00023.51
8.3.00.0030.00619.38
8.2.170.0150.00422.96
8.2.160.0100.00720.39
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0000.00826.16
8.2.120.0040.00422.13
8.2.110.0030.00621.12
8.2.100.0040.00717.78
8.2.90.0040.00419.27
8.2.80.0000.00817.97
8.2.70.0060.00317.63
8.2.60.0090.00017.80
8.2.50.0070.00318.07
8.2.40.0040.00419.94
8.2.30.0020.00517.95
8.2.20.0050.00317.79
8.2.10.0000.00718.05
8.2.00.0090.00017.66
8.1.270.0040.00423.96
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0030.00623.92
8.1.230.0110.00020.99
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0040.00417.10
8.1.190.0070.00317.10
8.1.180.0100.00018.88
8.1.170.0060.00318.56
8.1.160.0030.00521.95
8.1.150.0070.00018.44
8.1.140.0000.00717.33
8.1.130.0000.00617.82
8.1.120.0040.00417.37
8.1.110.0000.00717.33
8.1.100.0040.00417.40
8.1.90.0040.00417.40
8.1.80.0070.00017.39
8.1.70.0030.00317.38
8.1.60.0040.00417.54
8.1.50.0030.00617.43
8.1.40.0050.00217.33
8.1.30.0000.00817.52
8.1.20.0090.00017.41
8.1.10.0070.00017.47
8.1.00.0000.00817.35
8.0.300.0000.00819.95
8.0.290.0040.00417.16
8.0.280.0030.00318.38
8.0.270.0000.00717.06
8.0.260.0000.00617.10
8.0.250.0070.00016.97
8.0.240.0040.00416.84
8.0.230.0000.00716.79
8.0.220.0030.00316.92
8.0.210.0050.00316.82
8.0.200.0030.00316.95
8.0.190.0040.00417.00
8.0.180.0040.00416.89
8.0.170.0000.00816.92
8.0.160.0040.00416.80
8.0.150.0000.00716.71
8.0.140.0030.00616.71
8.0.130.0030.00313.36
8.0.120.0030.00516.83
8.0.110.0040.00416.84
8.0.100.0000.00716.89
8.0.90.0000.00716.80
8.0.80.0090.01216.82
8.0.70.0070.00016.79
8.0.60.0040.00416.84
8.0.50.0080.00016.99
8.0.30.0100.00917.18
8.0.20.0060.01317.40
8.0.10.0000.00716.95
8.0.00.0090.00916.78
7.4.330.0050.00015.00
7.4.320.0030.00316.54
7.4.300.0000.00616.57
7.4.290.0070.00016.38
7.4.280.0000.00716.53
7.4.270.0040.00416.60
7.4.260.0000.00716.58
7.4.250.0060.00316.46
7.4.240.0000.00716.61
7.4.230.0000.00716.58
7.4.220.0130.00616.52
7.4.210.0080.00816.58
7.4.200.0030.00316.49
7.4.190.0000.00716.30
7.4.160.0130.00316.27
7.4.150.0030.01417.40
7.4.140.0100.00817.86
7.4.130.0100.00816.50
7.4.120.0110.00716.47
7.4.110.0090.00916.37
7.4.100.0160.00716.49
7.4.90.0030.01316.42
7.4.80.0140.01119.39
7.4.70.0030.01416.41
7.4.60.0000.01716.58
7.4.50.0000.01016.37
7.4.40.0070.01016.46
7.4.30.0130.00716.42
7.4.00.0070.01115.09
7.3.330.0030.00413.29
7.3.320.0000.00513.17
7.3.310.0000.00716.29
7.3.300.0070.00016.36
7.3.290.0040.01216.38
7.3.280.0100.00716.31
7.3.270.0090.01217.40
7.3.260.0100.00716.53
7.3.250.0090.00816.41
7.3.240.0100.00616.28
7.3.230.0000.01616.39
7.3.210.0040.01316.35
7.3.200.0120.00819.39
7.3.190.0090.01216.29
7.3.180.0070.00716.32
7.3.170.0060.00916.31
7.3.160.0130.00316.57
7.3.120.0080.00814.69
7.3.110.0050.00914.66
7.3.100.0080.00614.86
7.3.90.0080.00414.74
7.3.80.0100.00414.75
7.3.70.0050.00914.59
7.3.60.0080.00614.61
7.3.50.0030.00914.81
7.3.40.0110.00514.82
7.3.30.0080.00514.75
7.3.20.0050.00816.57
7.3.10.0070.00716.54
7.3.00.0070.00816.63
7.2.330.0120.00616.66
7.2.320.0120.00616.64
7.2.310.0120.00616.71
7.2.300.0030.01316.52
7.2.290.0120.00616.68
7.2.240.0020.01215.02
7.2.230.0080.00514.98
7.2.220.0070.00915.11
7.2.210.0110.00515.16
7.2.200.0070.01014.94
7.2.190.0060.00915.12
7.2.180.0070.01014.83
7.2.170.0090.00715.09
7.2.160.0070.00414.99
7.2.150.0090.00716.71
7.2.140.0110.00416.82
7.2.130.0080.00716.82
7.2.120.0080.00616.80
7.2.110.0060.01016.89
7.2.100.0060.00716.91
7.2.90.0050.00916.84
7.2.80.0090.00616.85
7.2.70.0040.00816.80
7.2.60.0060.00716.88
7.2.50.0050.01016.72
7.2.40.0050.00816.73
7.2.30.0050.00916.87
7.2.20.0090.00616.72
7.2.10.0020.01116.81
7.2.00.0060.00817.30
7.1.330.0020.01415.92
7.1.320.0060.00315.55
7.1.310.0060.00715.80
7.1.300.0050.00815.70
7.1.290.0050.01015.78
7.1.280.0030.01015.70
7.1.270.0050.00815.76
7.1.260.0010.01315.82
7.1.250.0070.00415.62
7.1.200.0100.00015.57
7.1.100.0030.00718.14
7.1.70.0030.01017.31
7.1.60.0120.01219.46
7.1.50.0100.00717.00
7.1.00.0100.07022.48
7.0.200.0040.00416.81
7.0.140.0030.07321.95
7.0.60.0070.07321.73
7.0.50.0000.08322.04
7.0.40.0100.07320.04
7.0.30.0100.07720.18
7.0.20.0030.08320.10
7.0.10.0030.05320.09
7.0.00.0070.08020.03
5.6.280.0100.06720.77
5.6.210.0070.07720.74
5.6.200.0030.06021.14
5.6.190.0000.08320.98
5.6.180.0070.08020.98
5.6.170.0030.08020.89
5.6.160.0100.06721.14
5.6.150.0000.08720.98
5.6.140.0100.08321.09
5.6.130.0030.04321.11
5.6.120.0070.08321.00
5.6.110.0100.08020.99
5.6.100.0100.07721.03
5.6.90.0030.08321.01
5.6.80.0000.08320.28
5.6.70.0070.07720.49
5.6.60.0000.08020.36
5.6.50.0030.07020.50
5.6.40.0000.06720.42
5.6.30.0000.08020.33
5.6.20.0070.08020.40
5.6.10.0070.07320.35
5.6.00.0070.07320.31
5.5.350.0070.08020.42
5.5.340.0030.06320.93
5.5.330.0130.07020.79
5.5.320.0070.08320.96
5.5.310.0030.06720.87
5.5.300.0000.07020.97
5.5.290.0030.06720.86
5.5.280.0070.08020.97
5.5.270.0100.08020.75
5.5.260.0000.09020.87
5.5.250.0030.07720.70
5.5.240.0030.07720.15
5.5.230.0030.08320.10
5.5.220.0100.06720.24
5.5.210.0030.06020.11
5.5.200.0000.07320.03
5.5.190.0030.07320.11
5.5.180.0030.08320.14
5.5.160.0100.07320.12
5.5.150.0070.07320.06
5.5.140.0100.07720.23
5.5.130.0100.06720.32
5.5.120.0070.07320.23
5.5.110.0030.08020.11
5.5.100.0170.06720.11
5.5.90.0100.06720.06
5.5.80.0070.07719.98
5.5.70.0100.07719.95
5.5.60.0000.08020.09
5.5.50.0070.07020.07
5.5.40.0030.07720.09
5.5.30.0030.07319.98
5.5.20.0030.05020.09
5.5.10.0070.08019.95
5.5.00.0070.07320.03
5.4.450.0100.07319.33
5.4.440.0000.08319.17
5.4.430.0030.07019.17
5.4.420.0170.06719.17
5.4.410.0030.07019.20
5.4.400.0070.07019.10
5.4.390.0000.08019.01
5.4.380.0030.07019.10
5.4.370.0070.07019.00
5.4.360.0000.08319.10
5.4.350.0070.05019.15
5.4.340.0100.04318.99
5.4.320.0030.08319.01
5.4.310.0000.07019.16
5.4.300.0000.08019.08
5.4.290.0070.07318.96
5.4.280.0100.07018.85
5.4.270.0130.04718.85
5.4.260.0030.07719.09
5.4.250.0070.06718.89
5.4.240.0030.06019.00
5.4.230.0030.07718.84
5.4.220.0030.07718.95
5.4.210.0000.07019.16
5.4.200.0100.06019.15
5.4.190.0030.07018.94
5.4.180.0070.05718.94
5.4.170.0070.07718.96
5.4.160.0030.07319.05
5.4.150.0100.03019.13
5.4.140.0030.03316.26
5.4.130.0100.03016.35
5.4.120.0030.02716.18
5.4.110.0000.03716.28
5.4.100.0000.03316.21
5.4.90.0030.02716.26
5.4.80.0030.03316.30
5.4.70.0070.02316.26
5.4.60.0070.02716.25
5.4.50.0030.04016.29
5.4.40.0000.03016.32
5.4.30.0000.02716.27
5.4.20.0000.03716.27
5.4.10.0070.03316.27
5.4.00.0000.02715.77
5.3.290.0070.06714.55
5.3.280.0030.06014.43
5.3.270.0070.06714.54
5.3.260.0030.06314.57
5.3.250.0000.03714.53
5.3.240.0030.03314.53
5.3.230.0000.03314.52
5.3.220.0000.03014.54
5.3.210.0030.03714.54
5.3.200.0000.04014.40
5.3.190.0000.03714.55
5.3.180.0000.03714.53
5.3.170.0030.02714.46
5.3.160.0000.03014.53
5.3.150.0030.04014.47
5.3.140.0070.02314.53
5.3.130.0000.03014.37
5.3.120.0000.03014.52
5.3.110.0000.03714.44
5.3.100.0000.03013.98
5.3.90.0000.03013.94
5.3.80.0030.02713.99
5.3.70.0000.03013.80
5.3.60.0070.02713.98
5.3.50.0000.03013.92
5.3.40.0000.03013.84
5.3.30.0000.03013.83
5.3.20.0000.03013.53
5.3.10.0000.03013.44
5.3.00.0030.02713.55
5.2.170.0030.02011.16
5.2.160.0000.02310.93
5.2.150.0000.02311.13
5.2.140.0000.02711.15
5.2.130.0070.01710.93
5.2.120.0000.02311.13
5.2.110.0000.02311.08
5.2.100.0000.02311.04
5.2.90.0000.02310.89
5.2.80.0000.02311.05
5.2.70.0070.02310.93
5.2.60.0000.02311.05
5.2.50.0000.02311.00
5.2.40.0030.02310.89
5.2.30.0000.02310.96
5.2.20.0070.02310.91
5.2.10.0000.02310.90
5.2.00.0030.02010.75
5.1.60.0000.02010.25
5.1.50.0030.01710.25
5.1.40.0000.02310.25
5.1.30.0000.02010.31
5.1.20.0030.02010.25
5.1.10.0000.03010.25
5.1.00.0000.02710.25
5.0.50.0030.03310.25
5.0.40.0000.02310.25
5.0.30.0000.02710.25
5.0.20.0000.02310.25
5.0.10.0000.02010.25
5.0.00.0000.07010.25
4.4.90.0030.01010.25
4.4.80.0000.01310.25
4.4.70.0000.01710.25
4.4.60.0000.01310.25
4.4.50.0000.01710.25
4.4.40.0000.02010.25
4.4.30.0000.01310.25
4.4.20.0030.01710.25
4.4.10.0030.02710.25
4.4.00.0030.05310.25
4.3.110.0000.02310.25
4.3.100.0000.03010.25
4.3.90.0030.01310.25
4.3.80.0030.02310.25
4.3.70.0000.02310.25
4.3.60.0000.03010.25
4.3.50.0030.03310.25
4.3.40.0000.04310.25
4.3.30.0070.02310.25
4.3.20.0000.03710.25
4.3.10.0000.04010.25
4.3.00.0000.03710.25

preferences:
51.87 ms | 400 KiB | 5 Q