3v4l.org

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

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)
8.3.60.0090.00918.30
8.3.50.0100.00521.15
8.3.40.0070.00718.68
8.3.30.0130.00320.16
8.3.20.0050.00320.52
8.3.10.0030.00620.91
8.3.00.0040.00423.66
8.2.180.0160.00316.63
8.2.170.0040.01122.96
8.2.160.0130.00020.52
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0070.00021.12
8.2.110.0030.00619.39
8.2.100.0000.01117.72
8.2.90.0070.00019.24
8.2.80.0040.00417.97
8.2.70.0040.00417.63
8.2.60.0000.01017.80
8.2.50.0000.00718.07
8.2.40.0090.00018.17
8.2.30.0060.00419.41
8.2.20.0000.00717.60
8.2.10.0000.00817.71
8.2.00.0030.00617.59
8.1.280.0040.01125.92
8.1.270.0040.00423.99
8.1.260.0060.00326.35
8.1.250.0070.00728.09
8.1.240.0080.00420.62
8.1.230.0080.00320.96
8.1.220.0060.00318.77
8.1.210.0040.00418.84
8.1.200.0100.00017.23
8.1.190.0040.00417.39
8.1.180.0050.00318.10
8.1.170.0040.00418.65
8.1.160.0000.00718.81
8.1.150.0040.00418.48
8.1.140.0000.00717.30
8.1.130.0070.00017.77
8.1.120.0070.00017.29
8.1.110.0050.00317.37
8.1.100.0040.00417.25
8.1.90.0070.00017.32
8.1.80.0000.00717.37
8.1.70.0000.00717.40
8.1.60.0000.00817.34
8.1.50.0070.00017.41
8.1.40.0000.00717.38
8.1.30.0000.00817.57
8.1.20.0040.00417.57
8.1.10.0000.00717.38
8.1.00.0000.00817.27
8.0.300.0050.00220.04
8.0.290.0000.00717.18
8.0.280.0000.00718.28
8.0.270.0030.00317.13
8.0.260.0040.00418.26
8.0.250.0030.00516.86
8.0.240.0040.00716.93
8.0.230.0070.00016.89
8.0.220.0030.00316.76
8.0.210.0030.00316.86
8.0.200.0060.00016.86
8.0.190.0000.00716.79
8.0.180.0000.00816.80
8.0.170.0050.00316.78
8.0.160.0000.00716.87
8.0.150.0070.00016.64
8.0.140.0060.00316.79
8.0.130.0060.00013.25
8.0.120.0050.00316.78
8.0.110.0000.00816.80
8.0.100.0050.00216.61
8.0.90.0000.00716.71
8.0.80.0070.01416.84
8.0.70.0050.00216.82
8.0.60.0040.00416.93
8.0.50.0050.00216.88
8.0.30.0120.00717.01
8.0.20.0150.00717.40
8.0.10.0000.00816.82
8.0.00.0170.00516.55
7.4.330.0000.00616.71
7.4.320.0030.00316.39
7.4.300.0000.00616.38
7.4.290.0030.00316.29
7.4.280.0000.00716.45
7.4.270.0060.00016.34
7.4.260.0000.00613.14
7.4.250.0070.00016.32
7.4.240.0000.00716.33
7.4.230.0000.00716.30
7.4.220.0110.00816.23
7.4.210.0090.00516.44
7.4.200.0000.00716.11
7.4.190.0080.00016.61
7.4.160.0100.00716.50
7.4.150.0140.00317.40
7.4.140.0110.00617.86
7.4.130.0060.01316.30
7.4.120.0110.00516.35
7.4.110.0070.01016.28
7.4.100.0180.00316.19
7.4.90.0100.01316.28
7.4.80.0030.01419.39
7.4.70.0140.00416.37
7.4.60.0060.01116.42
7.4.50.0050.00516.28
7.4.40.0030.01222.77
7.4.30.0060.01516.39
7.4.00.0030.01315.05
7.3.330.0050.00013.09
7.3.320.0060.00013.16
7.3.310.0030.00316.18
7.3.300.0070.00016.20
7.3.290.0070.00716.18
7.3.280.0100.00816.30
7.3.270.0080.00817.40
7.3.260.0100.01018.24
7.3.250.0110.00816.45
7.3.240.0100.00716.29
7.3.230.0160.00316.39
7.3.210.0070.01016.38
7.3.200.0130.00919.39
7.3.190.0060.01316.35
7.3.180.0090.00616.28
7.3.170.0150.00016.29
7.3.160.0110.00616.43
7.3.120.0090.00314.90
7.3.10.0030.01116.64
7.3.00.0030.01116.59
7.2.330.0060.01316.44
7.2.320.0110.01216.42
7.2.310.0170.00016.63
7.2.300.0090.00916.38
7.2.290.0040.01216.35
7.2.130.0060.00916.74
7.2.120.0010.01116.70
7.2.110.0050.01016.71
7.2.100.0040.00716.73
7.2.90.0080.00816.90
7.2.80.0080.00516.63
7.2.70.0110.00316.78
7.2.60.0030.01016.61
7.2.50.0060.00416.78
7.2.40.0030.01116.81
7.2.30.0080.00316.85
7.2.20.0070.00616.80
7.2.10.0080.00616.78
7.2.00.0040.00817.59
7.1.250.0070.00515.71
7.1.100.0040.01118.16
7.1.70.0000.00717.05
7.1.60.0110.00319.17
7.1.50.0130.01016.90
7.1.00.0030.07722.36
7.0.200.0000.00716.77
7.0.140.0030.06721.99
7.0.110.0030.04720.04
7.0.100.0030.04320.10
7.0.90.0030.05719.90
7.0.80.0100.05719.83
7.0.70.0070.03720.06
7.0.60.0070.04019.82
7.0.50.0100.08020.08
7.0.40.0030.08319.68
7.0.30.0130.07019.87
7.0.20.0100.08019.85
7.0.10.0100.08019.78
7.0.00.0000.08019.86
5.6.280.0030.07321.03
5.6.260.0030.04320.69
5.6.250.0030.04020.64
5.6.240.0030.06720.69
5.6.230.0000.04320.55
5.6.220.0070.03720.53
5.6.210.0130.06720.70
5.6.200.0170.05720.55
5.6.190.0070.07720.65
5.6.180.0000.08320.63
5.6.170.0030.09320.85
5.6.160.0130.04020.69
5.6.150.0130.04320.49
5.6.140.0100.07020.69
5.6.130.0130.04720.64
5.6.120.0030.08320.67
5.6.110.0200.07020.66
5.6.100.0030.09020.66
5.6.90.0130.07020.83
5.6.80.0100.07319.98
5.6.70.0070.04720.01
5.6.60.0070.04720.00
5.6.50.0000.08020.03
5.6.40.0130.06719.82
5.6.30.0030.08020.04
5.6.20.0200.06319.98
5.6.10.0070.07020.05
5.6.00.0130.07019.90
5.5.380.0070.03717.39
5.5.370.0070.03317.55
5.5.360.0030.04017.45
5.5.350.0000.04317.52
5.5.340.0030.06318.10
5.5.330.0070.04018.13
5.5.320.0070.05717.87
5.5.310.0130.07317.98
5.5.300.0070.07718.12
5.5.290.0030.07718.18
5.5.280.0030.08017.86
5.5.270.0130.06317.77
5.5.260.0070.06018.13
5.5.250.0100.07017.70
5.5.240.0200.06717.54
5.5.230.0070.07717.36
5.5.220.0000.04717.48
5.5.210.0030.07717.25
5.5.200.0130.06717.13
5.5.190.0070.08317.20
5.5.180.0070.07717.38
5.5.160.0030.07717.25
5.5.150.0000.04317.33
5.5.140.0030.04017.20
5.5.130.0070.07017.37
5.5.120.0170.06017.48
5.5.110.0030.05017.36
5.5.100.0070.06717.26
5.5.90.0130.07317.09
5.5.80.0130.06717.41
5.5.70.0130.04017.34
5.5.60.0070.07317.09
5.5.50.0070.06717.24
5.5.40.0100.07317.34
5.5.30.0130.07317.23
5.5.20.0030.07717.10
5.5.10.0130.06717.36
5.5.00.0030.07017.41
5.4.450.0070.06019.50
5.4.440.0130.06019.27
5.4.430.0030.07319.50
5.4.420.0070.08019.50
5.4.410.0070.07719.15
5.4.400.0000.08018.96
5.4.390.0100.07018.95
5.4.380.0030.07319.16
5.4.370.0070.08019.03
5.4.360.0100.07319.11
5.4.350.0130.07319.12
5.4.340.0070.08318.98
5.4.320.0170.04318.98
5.4.310.0070.07018.95
5.4.300.0070.08319.04
5.4.290.0000.08719.00
5.4.280.0170.07018.98
5.4.270.0100.04019.10
5.4.260.0100.04019.02
5.4.250.0100.06319.27
5.4.240.0070.04319.26
5.4.230.0070.08019.17
5.4.220.0070.06719.11
5.4.210.0000.08018.95
5.4.200.0030.07319.24
5.4.190.0070.06719.02
5.4.180.0100.07319.08
5.4.170.0030.07718.91
5.4.160.0070.06719.14
5.4.150.0130.06719.07
5.4.140.0100.04016.22
5.4.130.0130.06316.46
5.4.120.0100.03316.20
5.4.110.0030.07316.38
5.4.100.0100.07316.55
5.4.90.0130.06316.17
5.4.80.0070.07316.48
5.4.70.0070.06316.27
5.4.60.0130.06316.35
5.4.50.0100.06316.34
5.4.40.0070.07316.38
5.4.30.0130.06316.48
5.4.20.0030.07316.25
5.4.10.0100.06716.34
5.4.00.0030.07715.98
5.3.290.0100.07314.68
5.3.280.0000.06314.44
5.3.270.0030.05314.70
5.3.260.0070.03714.59
5.3.250.0070.06714.48
5.3.240.0100.06314.48
5.3.230.0030.05014.44
5.3.220.0170.03314.39
5.3.210.0030.04314.35
5.3.200.0130.06314.63
5.3.190.0100.05714.39
5.3.180.0130.03014.52
5.3.170.0030.07314.46
5.3.160.0030.03714.50
5.3.150.0030.07314.40
5.3.140.0070.07014.47
5.3.130.0000.05014.44
5.3.120.0130.03714.48
5.3.110.0100.06714.39
5.3.100.0170.07014.04
5.3.90.0130.04314.08
5.3.80.0030.07314.03
5.3.70.0130.06713.85
5.3.60.0070.07313.85
5.3.50.0100.06014.01
5.3.40.0070.07313.88
5.3.30.0070.06313.82
5.3.20.0070.07013.57
5.3.10.0070.06713.57
5.3.00.0070.06013.52
5.2.170.0070.04311.08
5.2.160.0100.05011.06
5.2.150.0000.07011.20
5.2.140.0070.05711.03
5.2.130.0100.05711.00
5.2.120.0030.05711.00
5.2.110.0030.06311.04
5.2.100.0000.03311.26
5.2.90.0070.05711.04
5.2.80.0070.03710.88
5.2.70.0070.03011.04
5.2.60.0070.05710.95
5.2.50.0030.05310.80
5.2.40.0000.04010.90
5.2.30.0070.05010.89
5.2.20.0030.03311.03
5.2.10.0030.06710.77
5.2.00.0070.05710.84
5.1.60.0030.0579.90
5.1.50.0070.04710.23
5.1.40.0030.0509.91
5.1.30.0070.04010.22
5.1.20.0070.04010.23
5.1.10.0030.0279.97
5.1.00.0030.05310.23
5.0.50.0100.0409.87
5.0.40.0030.0439.87
5.0.30.0030.0579.87
5.0.20.0070.0409.87
5.0.10.0000.0439.87
5.0.00.0030.0539.87
4.4.90.0070.0339.87
4.4.80.0070.0309.87
4.4.70.0030.0379.87
4.4.60.0000.0379.87
4.4.50.0030.0309.87
4.4.40.0000.0579.87
4.4.30.0070.0309.87
4.4.20.0070.0309.87
4.4.10.0000.0339.87
4.4.00.0000.0539.87
4.3.110.0030.0339.87
4.3.100.0030.0339.87
4.3.90.0030.0379.87
4.3.80.0030.0509.87
4.3.70.0000.0379.87
4.3.60.0070.0279.87
4.3.50.0030.0239.87
4.3.40.0070.0439.87
4.3.30.0030.0339.87
4.3.20.0000.0409.87
4.3.10.0000.0339.87
4.3.00.0000.0309.87

preferences:
44.51 ms | 401 KiB | 5 Q