3v4l.org

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

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)
8.3.60.0130.00718.43
8.3.50.0110.00621.08
8.3.40.0140.00018.54
8.3.30.0070.00720.34
8.3.20.0000.00820.09
8.3.10.0050.01020.89
8.3.00.0060.00322.50
8.2.180.0040.01118.30
8.2.170.0180.00322.96
8.2.160.0070.00722.05
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0060.00320.63
8.2.110.0060.00319.14
8.2.100.0040.00817.78
8.2.90.0040.00418.93
8.2.80.0000.00817.97
8.2.70.0000.00817.50
8.2.60.0080.00018.04
8.2.50.0030.00918.07
8.2.40.0040.00418.09
8.2.30.0000.00719.49
8.2.20.0040.00417.76
8.2.10.0050.00317.58
8.2.00.0050.00317.73
8.1.280.0110.00725.92
8.1.270.0060.00323.99
8.1.260.0000.00826.35
8.1.250.0070.00028.09
8.1.240.0040.00422.46
8.1.230.0070.00420.95
8.1.220.0080.00018.77
8.1.210.0090.00020.79
8.1.200.0060.00317.22
8.1.190.0000.00917.51
8.1.180.0000.00818.10
8.1.170.0050.00318.58
8.1.160.0040.00418.80
8.1.150.0000.00818.56
8.1.140.0050.00217.33
8.1.130.0030.00317.88
8.1.120.0020.00517.37
8.1.110.0000.00717.23
8.1.100.0000.00717.34
8.1.90.0000.00817.41
8.1.80.0070.00017.43
8.1.70.0030.00317.34
8.1.60.0040.00417.48
8.1.50.0000.00717.51
8.1.40.0000.00717.27
8.1.30.0040.00417.48
8.1.20.0040.00417.57
8.1.10.0020.00517.36
8.1.00.0040.00417.41
8.0.300.0000.00719.87
8.0.290.0000.00717.05
8.0.280.0030.00318.38
8.0.270.0000.00717.25
8.0.260.0040.00416.76
8.0.250.0060.00316.82
8.0.240.0080.00016.80
8.0.230.0030.00316.89
8.0.220.0000.00716.84
8.0.210.0040.00316.75
8.0.200.0030.00316.89
8.0.190.0050.00216.78
8.0.180.0050.00216.89
8.0.170.0070.00016.86
8.0.160.0000.00716.67
8.0.150.0040.00416.70
8.0.140.0070.00316.72
8.0.130.0030.00313.24
8.0.120.0050.00316.79
8.0.110.0050.00516.61
8.0.100.0030.00516.84
8.0.90.0000.00716.71
8.0.80.0040.01116.70
8.0.70.0030.00316.63
8.0.60.0000.00716.71
8.0.50.0000.00716.69
8.0.30.0140.00716.99
8.0.20.0080.01417.40
8.0.10.0080.00016.96
8.0.00.0170.00516.60
7.4.330.0000.00616.81
7.4.320.0050.00216.53
7.4.300.0000.00616.45
7.4.290.0000.00616.32
7.4.280.0030.00316.44
7.4.270.0000.00716.42
7.4.260.0000.00513.16
7.4.250.0040.00416.50
7.4.240.0070.00016.33
7.4.230.0040.00416.36
7.4.220.0090.01216.47
7.4.210.0040.01016.48
7.4.200.0000.00816.34
7.4.190.0040.00416.57
7.4.160.0080.00816.29
7.4.150.0130.00417.40
7.4.140.0120.00717.86
7.4.130.0030.01416.48
7.4.120.0110.00616.43
7.4.110.0120.00416.63
7.4.100.0120.00616.45
7.4.90.0110.00716.36
7.4.80.0070.01419.39
7.4.70.0130.00316.66
7.4.60.0120.00616.43
7.4.50.0040.00416.25
7.4.40.0110.00322.77
7.4.30.0070.01016.50
7.4.00.0100.00714.70
7.3.330.0030.00313.19
7.3.320.0030.00313.00
7.3.310.0000.00716.21
7.3.300.0030.00316.32
7.3.290.0070.00716.25
7.3.280.0100.00616.31
7.3.270.0120.00617.40
7.3.260.0050.01318.24
7.3.250.0110.00916.38
7.3.240.0100.00716.32
7.3.230.0070.01016.50
7.3.210.0170.00016.36
7.3.200.0120.00919.39
7.3.190.0060.01216.43
7.3.180.0130.00316.21
7.3.170.0000.01516.27
7.3.160.0080.00816.29
7.3.120.0000.01514.84
7.2.330.0030.01416.58
7.2.320.0110.01216.43
7.2.310.0110.01116.57
7.2.300.0080.00816.18
7.2.290.0140.00316.54
7.2.60.0030.00916.85
7.2.00.0080.00519.23
7.1.200.0000.00715.80
7.1.100.0070.00718.11
7.1.70.0040.00416.92
7.1.60.0100.01019.17
7.1.50.0030.00717.05
7.1.00.0030.07322.44
7.0.200.0040.00416.79
7.0.140.0070.07022.17
7.0.100.0000.04320.01
7.0.90.0130.04019.86
7.0.80.0030.04019.85
7.0.70.0170.03719.91
7.0.60.0000.04019.95
7.0.50.0130.05020.26
7.0.40.0000.04720.10
7.0.30.0000.04720.04
7.0.20.0070.04020.18
7.0.10.0100.03719.95
7.0.00.0070.03720.14
5.6.280.0070.07020.77
5.6.250.0070.03720.49
5.6.240.0030.04320.50
5.6.230.0070.04020.53
5.6.220.0130.04720.48
5.6.210.0000.04720.45
5.6.200.0070.03721.04
5.6.190.0070.04321.04
5.6.180.0030.04021.11
5.6.170.0000.04720.98
5.6.160.0000.04721.07
5.6.150.0130.03321.03
5.6.140.0070.03721.01
5.6.130.0030.05021.13
5.6.120.0100.03721.07
5.6.110.0200.02320.99
5.6.100.0070.04721.09
5.6.90.0100.04021.07
5.6.80.0070.03720.43
5.6.70.0070.03320.48
5.6.60.0000.04020.32
5.6.50.0130.08020.41
5.6.40.0100.08020.36
5.6.30.0030.08320.37
5.6.20.0100.08020.38
5.6.10.0130.05020.45
5.6.00.0000.05020.45
5.5.380.0100.04020.36
5.5.370.0070.05020.43
5.5.360.0000.04020.43
5.5.350.0030.04320.45
5.5.340.0070.07020.80
5.5.330.0000.04320.73
5.5.320.0030.04020.73
5.5.310.0000.04720.76
5.5.300.0030.04020.88
5.5.290.0030.04020.87
5.5.280.0070.04320.79
5.5.270.0070.04020.81
5.5.260.0130.03020.90
5.5.250.0000.04020.72
5.5.240.0030.04020.27
5.5.230.0100.03720.26
5.5.220.0070.06320.14
5.5.210.0000.05720.25
5.5.200.0130.06019.98
5.5.190.0070.05720.10
5.5.180.0030.04320.20
5.5.160.0070.04020.22
5.5.150.0100.06720.09
5.5.140.0130.07720.25
5.5.130.0030.04020.16
5.5.120.0070.07020.11
5.5.110.0100.07720.23
5.5.100.0030.06719.96
5.5.90.0100.04020.06
5.5.80.0070.06720.14
5.5.70.0070.07720.08
5.5.60.0030.05320.13
5.5.50.0130.04720.05
5.5.40.0070.04319.95
5.5.30.0030.05719.98
5.5.20.0070.04020.07
5.5.10.0170.05320.11
5.5.00.0170.05019.98
5.4.450.0000.04319.14
5.4.440.0070.03719.11
5.4.430.0100.03319.34
5.4.420.0100.03319.41
5.4.410.0030.04019.01
5.4.400.0070.03019.03
5.4.390.0070.03719.03
5.4.380.0070.03718.79
5.4.370.0070.07718.78
5.4.360.0100.07319.04
5.4.350.0000.07719.03
5.4.340.0200.03319.06
5.4.320.0070.04319.03
5.4.310.0070.07019.03
5.4.300.0130.05319.04
5.4.290.0030.04719.03
5.4.280.0030.06319.04
5.4.270.0100.05719.12
5.4.260.0100.07318.90
5.4.250.0070.08019.11
5.4.240.0070.05319.02
5.4.230.0030.08318.95
5.4.220.0000.04318.95
5.4.210.0130.07018.96
5.4.200.0070.07719.11
5.4.190.0100.06718.94
5.4.180.0100.07019.02
5.4.170.0100.07019.14
5.4.160.0000.04019.00
5.4.150.0100.03719.03
5.4.140.0000.08016.36
5.4.130.0070.06016.25
5.4.120.0030.07316.36
5.4.110.0030.07016.42
5.4.100.0070.07016.30
5.4.90.0100.06716.25
5.4.80.0100.04016.29
5.4.70.0130.06316.24
5.4.60.0070.04316.41
5.4.50.0030.04016.31
5.4.40.0030.05016.41
5.4.30.0100.06716.27
5.4.20.0030.05716.35
5.4.10.0070.07016.27
5.4.00.0130.05715.71
5.3.290.0030.07314.64
5.3.280.0070.07314.54
5.3.270.0070.08314.43
5.3.260.0030.04314.61
5.3.250.0000.04014.54
5.3.240.0070.06314.59
5.3.230.0030.05714.61
5.3.220.0030.05014.53
5.3.210.0100.07014.52
5.3.200.0270.06314.43
5.3.190.0070.06314.38
5.3.180.0100.06714.41
5.3.170.0100.06314.41
5.3.160.0000.04714.49
5.3.150.0030.06714.55
5.3.140.0100.04314.56
5.3.130.0030.04314.50
5.3.120.0000.07014.41
5.3.110.0200.06714.50
5.3.100.0030.07713.89
5.3.90.0100.06714.01
5.3.80.0100.07013.98
5.3.70.0030.07013.88
5.3.60.0070.07013.91
5.3.50.0030.03713.95
5.3.40.0070.07013.94
5.3.30.0030.06313.89
5.3.20.0000.06313.66
5.3.10.0170.06313.63
5.3.00.0100.04013.40
5.2.170.0030.03311.18
5.2.160.0030.06310.98
5.2.150.0070.05711.12
5.2.140.0070.06011.06
5.2.130.0130.05311.09
5.2.120.0070.04711.08
5.2.110.0070.02711.04
5.2.100.0000.03310.93
5.2.90.0070.02710.89
5.2.80.0070.02710.88
5.2.70.0070.03011.11
5.2.60.0030.03710.89
5.2.50.0070.05710.82
5.2.40.0100.04711.03
5.2.30.0070.05710.82
5.2.20.0070.05310.84
5.2.10.0030.04010.71
5.2.00.0070.04310.61
5.1.60.0030.05310.05
5.1.50.0070.0479.82
5.1.40.0030.0279.97
5.1.30.0070.04010.26
5.1.20.0000.03010.37
5.1.10.0070.03710.11
5.1.00.0100.05010.11
5.0.50.0070.0409.07
5.0.40.0030.0309.07
5.0.30.0070.0609.07
5.0.20.0030.0279.07
5.0.10.0100.0309.07
5.0.00.0070.0609.07
4.4.90.0000.0309.07
4.4.80.0030.0309.07
4.4.70.0000.0209.07
4.4.60.0000.0179.07
4.4.50.0030.0309.07
4.4.40.0000.0509.07
4.4.30.0030.0339.07
4.4.20.0100.0179.07
4.4.10.0030.0209.07
4.4.00.0030.0539.07
4.3.110.0000.0179.07
4.3.100.0100.0139.07
4.3.90.0000.0339.07
4.3.80.0000.0379.07
4.3.70.0030.0179.07
4.3.60.0070.0309.07
4.3.50.0000.0309.07
4.3.40.0070.0379.07
4.3.30.0000.0379.07
4.3.20.0000.0309.07
4.3.10.0030.0339.07
4.3.00.0000.0209.07

preferences:
41.58 ms | 401 KiB | 5 Q