3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(empty($a[0][0]));

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)
8.3.40.0070.00718.56
8.3.30.0090.00618.58
8.3.20.0050.00318.50
8.3.10.0080.00020.54
8.3.00.0080.00017.38
8.2.170.0070.00722.96
8.2.160.0170.00022.08
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0000.00826.16
8.2.120.0040.00419.64
8.2.110.0030.00720.94
8.2.100.0120.00017.78
8.2.90.0060.00319.17
8.2.80.0040.00418.04
8.2.70.0000.00817.38
8.2.60.0050.00317.93
8.2.50.0040.00418.07
8.2.40.0070.00018.16
8.2.30.0070.00017.99
8.2.20.0050.00317.57
8.2.10.0040.00417.57
8.2.00.0000.00817.59
8.1.270.0040.00423.99
8.1.260.0140.00426.35
8.1.250.0080.00028.09
8.1.240.0090.00022.33
8.1.230.0040.00821.04
8.1.220.0000.00818.77
8.1.210.0000.00918.83
8.1.200.0090.00017.36
8.1.190.0000.00917.41
8.1.180.0030.00618.10
8.1.170.0040.00418.77
8.1.160.0070.00018.74
8.1.150.0070.00018.38
8.1.140.0040.00417.36
8.1.130.0000.00717.66
8.1.120.0040.00417.29
8.1.110.0070.00017.30
8.1.100.0040.00417.21
8.1.90.0080.00017.25
8.1.80.0000.00717.29
8.1.70.0030.00317.27
8.1.60.0000.00817.34
8.1.50.0000.00717.34
8.1.40.0030.00617.31
8.1.30.0040.00417.42
8.1.20.0040.00417.53
8.1.10.0040.00417.44
8.1.00.0050.00317.50
8.0.300.0040.00419.85
8.0.290.0000.00916.58
8.0.280.0030.00318.31
8.0.270.0030.00317.05
8.0.260.0030.00318.48
8.0.250.0000.00716.82
8.0.240.0050.00316.78
8.0.230.0000.00716.84
8.0.220.0000.00716.77
8.0.210.0070.00016.77
8.0.200.0030.00316.82
8.0.190.0000.00716.71
8.0.180.0070.00016.61
8.0.170.0080.00016.82
8.0.160.0030.00316.82
8.0.150.0000.00916.73
8.0.140.0080.00416.75
8.0.130.0030.00313.14
8.0.120.0000.00816.61
8.0.110.0000.00816.71
8.0.100.0000.00816.71
8.0.90.0050.00316.56
8.0.80.0030.01016.82
8.0.70.0000.00816.82
8.0.60.0030.00316.79
8.0.50.0040.00416.60
8.0.30.0070.01217.06
8.0.20.0110.00717.17
8.0.10.0070.00016.89
8.0.00.0090.00916.60
7.4.330.0000.00514.66
7.4.320.0000.00616.29
7.4.300.0070.00016.36
7.4.290.0070.00016.45
7.4.280.0110.00016.35
7.4.270.0000.00716.48
7.4.260.0000.00513.16
7.4.250.0040.00416.48
7.4.240.0000.00716.29
7.4.230.0030.00316.57
7.4.220.0140.00716.41
7.4.210.0060.01016.45
7.4.200.0000.00716.36
7.4.190.0000.00716.31
7.4.160.0130.00316.54
7.4.150.0120.00617.07
7.4.140.0030.01317.11
7.4.130.0070.01016.53
7.4.120.0090.00716.39
7.4.110.0090.00916.30
7.4.100.0070.01016.42
7.4.90.0100.01316.38
7.4.80.0120.00618.80
7.4.70.0140.01016.38
7.4.60.0180.00316.36
7.4.50.0050.00016.37
7.4.40.0080.00322.27
7.4.30.0090.00916.37
7.4.00.0030.00715.12
7.3.330.0030.00313.17
7.3.320.0000.00612.98
7.3.310.0030.00316.21
7.3.300.0030.00316.05
7.3.290.0040.01216.29
7.3.280.0080.00716.24
7.3.270.0070.01017.07
7.3.260.0110.01318.24
7.3.250.0130.00716.24
7.3.240.0090.00916.34
7.3.230.0140.00316.39
7.3.210.0060.01016.34
7.3.200.0080.01119.39
7.3.190.0080.01216.50
7.3.180.0130.00316.45
7.3.170.0110.00916.27
7.3.160.0040.01116.49
7.3.120.0090.00314.95
7.2.330.0150.00616.55
7.2.320.0090.00616.47
7.2.310.0140.00516.32
7.2.300.0040.01716.20
7.2.290.0130.00316.55
7.2.00.0070.00719.30
7.1.100.0080.00817.69
7.1.70.0000.00817.05
7.1.60.0120.01219.40
7.1.50.0000.01016.54
7.1.00.0070.07022.47
7.0.200.0050.00216.79
7.0.140.0000.07722.00
7.0.60.0100.07321.74
7.0.50.0100.04317.90
7.0.40.0170.07020.05
7.0.30.0270.08020.23
7.0.20.0070.05020.16
7.0.10.0030.06320.12
7.0.00.0200.07720.16
5.6.280.0100.06720.77
5.6.210.0070.07020.60
5.6.200.0030.05718.11
5.6.190.0100.08720.35
5.6.180.3430.04320.41
5.6.170.0300.07020.50
5.6.160.0030.09320.50
5.6.150.0100.06718.19
5.6.140.0000.04318.13
5.6.130.0030.04018.14
5.6.120.0100.07721.00
5.6.110.0170.06321.13
5.6.100.0100.08321.13
5.6.90.0070.08320.96
5.6.80.0230.06320.47
5.5.350.4000.03020.42
5.5.340.0000.09018.00
5.5.330.0130.07320.23
5.5.320.0370.06020.30
5.5.310.0200.04720.29
5.5.300.0070.08318.01
5.5.290.0030.06317.94
5.5.280.0100.09020.75
5.5.270.0000.04320.71
5.5.260.0130.07720.84
5.5.250.0100.06020.45
5.5.240.0130.04020.11
5.4.450.0030.08719.48
5.4.440.0030.06319.41
5.4.430.0030.09019.40
5.4.420.0100.04719.41
5.4.410.0000.07319.38
5.4.400.0070.05718.81
5.4.390.0100.07319.16
5.4.380.0070.07319.12
5.4.370.0030.05319.14
5.4.360.0030.05319.18
5.4.350.0000.04719.18
5.4.340.0030.05319.18
5.4.320.0030.03719.07
5.4.310.0000.04018.78
5.4.300.0030.03718.80
5.4.290.0030.04319.14
5.4.280.0030.03719.07
5.4.270.0100.03018.77
5.4.260.0000.04019.07
5.4.250.0070.03318.87
5.4.240.0030.03718.80
5.4.230.0100.04318.78
5.4.220.0070.04318.78
5.4.210.0100.03718.80
5.4.200.0070.03318.78
5.4.190.0030.03719.13
5.4.180.0030.03719.11
5.4.170.0030.03719.00
5.4.160.0130.03319.15
5.4.150.0000.04019.15
5.4.140.0000.04316.17
5.4.130.0030.03316.48
5.4.120.0030.03716.24
5.4.110.0000.03716.27
5.4.100.0030.04016.14
5.4.90.0030.03316.39
5.4.80.0000.03716.34
5.4.70.0000.04016.25
5.4.60.0030.03716.24
5.4.50.0100.03316.21
5.4.40.0100.07316.31
5.4.30.0030.05716.21
5.4.20.0030.05716.24
5.4.10.0070.06716.25
5.4.00.0030.04715.76
5.3.290.0030.04014.58
5.3.280.0000.04014.68
5.3.270.0000.04314.57
5.3.260.0000.04014.52
5.3.250.0030.03714.50
5.3.240.0030.03714.58
5.3.230.0000.04014.52
5.3.220.0030.03714.46
5.3.210.0030.03714.50
5.3.200.0000.03714.48
5.3.190.0100.03014.48
5.3.180.0000.03714.52
5.3.170.0130.03314.52
5.3.160.0070.04314.50
5.3.150.0030.04014.50
5.3.140.0070.05014.45
5.3.130.0100.03314.50
5.3.120.0000.06714.50
5.3.110.0070.07714.46
5.3.100.0170.06313.82
5.3.90.0230.04313.95
5.3.80.0200.06313.94
5.3.70.0030.06713.85
5.3.60.0170.06013.82
5.3.50.0100.06313.86
5.3.40.0100.06713.95
5.3.30.0030.07713.83
5.3.20.0000.04013.51
5.3.10.0100.03013.57
5.3.00.0070.07313.56
5.2.170.0030.04010.99
5.2.160.0070.04711.04
5.2.150.0130.02711.02
5.2.140.0070.05711.12
5.2.130.0000.06011.08
5.2.120.0070.02711.08
5.2.110.0030.06311.06
5.2.100.0000.03710.92
5.2.90.0100.03711.25
5.2.80.0030.04011.07
5.2.70.0100.03311.03
5.2.60.0030.03311.01
5.2.50.0030.05010.89
5.2.40.0030.06310.97
5.2.30.0030.06310.79
5.2.20.0030.06011.11
5.2.10.0070.05710.71
5.2.00.0170.02310.61
5.1.60.0030.0509.96
5.1.50.0000.0579.93
5.1.40.0100.0479.94
5.1.30.0030.04010.34
5.1.20.0030.03010.37
5.1.10.0070.02310.16
5.1.00.0070.03010.07
5.0.50.0030.0408.38
5.0.40.0000.0278.30
5.0.30.0000.0478.18
5.0.20.0070.0278.23
5.0.10.0030.0238.13
5.0.00.0030.0338.21
4.4.90.0030.0207.75
4.4.80.0070.0207.75
4.4.70.0000.0337.75
4.4.60.0030.0377.75
4.4.50.0030.0137.75
4.4.40.0070.0537.75
4.4.30.0000.0377.75
4.4.20.0000.0177.75
4.4.10.0000.0337.75
4.4.00.0000.0307.75
4.3.110.0030.0337.75
4.3.100.0030.0337.75
4.3.90.0030.0377.75
4.3.80.0030.0377.75
4.3.70.0000.0207.75
4.3.60.0000.0207.75
4.3.50.0000.0337.75
4.3.40.0130.0437.75
4.3.30.0030.0377.75
4.3.20.0000.0377.75
4.3.10.0000.0207.75
4.3.00.0000.0377.75

preferences:
36.49 ms | 400 KiB | 5 Q