3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array(0 => 100, "color" => "red" ,"color1" => "gored"); print_r(array_keys($array)[1]);

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)
8.3.60.0060.01218.27
8.3.50.0120.01022.05
8.3.40.0080.00818.70
8.3.30.0100.00319.10
8.3.20.0040.00420.34
8.3.10.0070.00023.48
8.3.00.0000.00819.14
8.2.180.0160.00318.16
8.2.170.0070.00722.96
8.2.160.0100.00320.39
8.2.150.0040.00424.18
8.2.140.0090.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00020.86
8.2.110.0060.00322.13
8.2.100.0110.00020.56
8.2.90.0030.00619.22
8.2.80.0040.00417.97
8.2.70.0060.00317.48
8.2.60.0080.00017.80
8.2.50.0000.00818.07
8.2.40.0000.01119.95
8.2.30.0000.00918.16
8.2.20.0050.00317.59
8.2.10.0000.00717.98
8.2.00.0040.00417.61
8.1.280.0080.00625.92
8.1.270.0090.00023.79
8.1.260.0120.00326.35
8.1.250.0040.00428.09
8.1.240.0040.00422.05
8.1.230.0070.00719.08
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0040.00417.10
8.1.180.0000.00818.10
8.1.170.0000.00718.53
8.1.160.0040.00421.96
8.1.150.0000.00718.49
8.1.140.0080.00417.36
8.1.130.0000.00717.74
8.1.120.0050.00217.43
8.1.110.0000.00717.36
8.1.100.0020.00517.31
8.1.90.0000.00717.46
8.1.80.0000.00817.34
8.1.70.0030.00317.27
8.1.60.0040.00417.41
8.1.50.0030.00517.53
8.1.40.0070.00017.52
8.1.30.0000.00817.48
8.1.20.0030.00617.61
8.1.10.0000.00817.37
8.1.00.0000.00817.30
8.0.300.0000.00718.77
8.0.290.0040.00416.60
8.0.280.0030.00318.30
8.0.270.0000.00717.20
8.0.260.0000.00817.20
8.0.250.0000.00616.94
8.0.240.0080.00016.80
8.0.230.0000.00716.75
8.0.220.0030.00316.89
8.0.210.0030.00316.88
8.0.200.0000.00716.82
8.0.190.0070.00016.78
8.0.180.0000.00816.75
8.0.170.0000.00716.74
8.0.160.0000.00716.76
8.0.150.0030.00516.81
8.0.140.0030.00316.69
8.0.130.0030.00313.25
8.0.120.0030.00516.81
8.0.110.0030.00516.73
8.0.100.0000.00716.80
8.0.90.0000.00716.63
8.0.80.0130.00716.76
8.0.70.0000.00716.61
8.0.60.0080.00016.71
8.0.50.0030.00316.86
8.0.30.0070.01117.03
8.0.20.0100.00917.40
8.0.10.0080.00017.05
8.0.00.0100.01216.70
7.4.330.0000.00515.00
7.4.320.0060.00016.59
7.4.300.0000.00716.54
7.4.290.0000.00816.46
7.4.280.0050.00216.47
7.4.270.0030.00316.44
7.4.260.0030.00316.32
7.4.250.0050.00316.46
7.4.240.0020.00516.45
7.4.230.0000.00716.34
7.4.220.0090.01316.45
7.4.210.0070.00616.48
7.4.200.0000.00716.49
7.4.190.0030.00316.61
7.4.160.0110.00516.47
7.4.150.0050.01517.40
7.4.140.0090.00917.86
7.4.130.0060.01016.43
7.4.120.0060.01216.46
7.4.110.0080.01416.49
7.4.100.0090.00916.31
7.4.90.0130.00416.59
7.4.80.0030.01319.39
7.4.70.0110.00616.43
7.4.60.0070.01116.58
7.4.50.0060.00316.55
7.4.40.0130.00316.52
7.4.30.0110.00616.57
7.4.00.0030.00915.11
7.3.330.0000.00712.93
7.3.320.0000.00613.04
7.3.310.0040.00416.30
7.3.300.0000.00716.20
7.3.290.0090.00616.18
7.3.280.0110.00916.20
7.3.270.0030.02217.40
7.3.260.0070.01016.43
7.3.250.0060.01116.32
7.3.240.0100.00716.49
7.3.230.0070.01016.39
7.3.210.0130.00916.38
7.3.200.0050.01419.39
7.3.190.0110.00716.18
7.3.180.0080.01216.28
7.3.170.0150.00016.38
7.3.160.0040.01316.36
7.3.120.0070.00714.75
7.2.330.0090.00916.60
7.2.320.0190.00316.24
7.2.310.0060.01716.53
7.2.300.0110.01116.14
7.2.290.0100.00616.59
7.2.00.0040.00819.10
7.1.100.0040.00718.04
7.1.70.0000.00817.24
7.1.60.0100.01319.70
7.1.50.0120.00616.98
7.1.00.0030.07722.35
7.0.200.0030.00616.71
7.0.140.0100.06722.05
7.0.60.0130.05319.93
7.0.50.0000.07317.86
7.0.40.0030.04719.97
7.0.30.0200.05320.04
7.0.20.0200.07720.19
7.0.10.0100.08320.13
7.0.00.0000.04720.13
5.6.280.0100.06721.09
5.6.210.0100.03320.60
5.6.200.0100.05318.21
5.6.190.0070.09320.49
5.6.180.0330.07720.58
5.6.170.0100.07720.42
5.6.160.0200.04320.63
5.6.150.0100.08318.11
5.6.140.0030.05018.16
5.6.130.0130.07318.17
5.6.120.0030.08721.01
5.6.110.0030.07320.97
5.6.100.0100.08321.08
5.6.90.0170.07021.12
5.6.80.0200.05720.43
5.5.350.2670.04020.43
5.5.340.0070.05718.01
5.5.330.0030.04320.37
5.5.320.0170.04320.13
5.5.310.0370.05720.34
5.5.300.0070.07017.89
5.5.290.0030.08017.91
5.5.280.0100.03720.77
5.5.270.0030.04720.66
5.5.260.0070.07020.95
5.5.250.0030.06720.68
5.5.240.0070.07320.18
5.4.450.1170.04319.42
5.4.440.0100.04719.39
5.4.430.0330.03345.52
5.4.420.0130.04742.52
5.4.410.0170.04740.27
5.4.400.0130.04037.98
5.4.390.0370.04736.48
5.4.380.0100.05718.71
5.4.370.0200.05318.61
5.4.360.0130.06018.47
5.4.350.0170.05318.64
5.4.340.0130.05318.73
5.4.320.0060.03512.45
5.4.310.0060.03712.45
5.4.300.0190.07412.45
5.4.290.0130.05312.45
5.4.280.0190.10212.34
5.4.270.0170.09512.34
5.4.260.0070.06212.35
5.4.250.0130.05212.34
5.4.240.0110.05112.34
5.4.230.0100.05912.34
5.4.220.0140.09012.34
5.4.210.0070.05212.34
5.4.200.0110.05512.34
5.4.190.0100.05212.33
5.4.180.0110.05012.34
5.4.170.0070.05512.35
5.4.160.0100.04912.34
5.4.150.0060.05212.34
5.4.140.0110.05212.02
5.4.130.0100.04712.01
5.4.120.0070.04911.96
5.4.110.0080.04711.96
5.4.100.0070.04711.96
5.4.90.0080.05211.96
5.4.80.0090.05111.96
5.4.70.0080.04911.96
5.4.60.0070.04911.96
5.4.50.0060.05311.96
5.4.40.0090.04911.95
5.4.30.0070.04911.94
5.4.20.0070.05311.95
5.4.10.0100.04511.95
5.4.00.0040.05211.44
5.3.290.0030.04012.80
5.3.280.0070.04912.71
5.3.270.0080.05412.73
5.3.260.0080.05312.72
5.3.250.0060.05312.72
5.3.240.0090.05212.72
5.3.230.0100.05312.70
5.3.220.0100.05612.68
5.3.210.0040.05912.68
5.3.200.0100.04912.68
5.3.190.0110.04612.68
5.3.180.0060.05212.67
5.3.170.0060.05212.66
5.3.160.0090.04812.67
5.3.150.0070.05712.68
5.3.140.0120.05612.66
5.3.130.0130.05612.66
5.3.120.0060.06112.66
5.3.110.0120.05912.66
5.3.100.0130.04812.12
5.3.90.0130.04912.09
5.3.80.0150.04512.07
5.3.70.0090.05412.07
5.3.60.0060.05512.06
5.3.50.0110.05112.00
5.3.40.0060.05812.00
5.3.30.0090.05411.95
5.3.20.0120.05011.73
5.3.10.0120.04911.70
5.3.00.0090.05311.68
5.2.170.0070.0469.18
5.2.160.0100.0449.18
5.2.150.0120.0579.18
5.2.140.0080.0459.18
5.2.130.0080.0439.14
5.2.120.0110.0449.14
5.2.110.0100.0429.15
5.2.100.0060.0469.14
5.2.90.0140.0799.14
5.2.80.0100.0759.14
5.2.70.0060.0449.14
5.2.60.0060.0449.09
5.2.50.0120.0399.06
5.2.40.0080.0409.04
5.2.30.0080.0449.02
5.2.20.0140.0699.01
5.2.10.0150.0548.93
5.2.00.0090.0508.79
5.1.60.0090.0418.07
5.1.50.0060.0418.07
5.1.40.0040.0458.05
5.1.30.0090.0438.40
5.1.20.0060.0458.42
5.1.10.0090.0418.14
5.1.00.0080.0428.14
5.0.50.0060.0326.62
5.0.40.0060.0326.48
5.0.30.0110.0466.29
5.0.20.0030.0326.27
5.0.10.0040.0356.24
5.0.00.0050.0476.23
4.4.90.0030.0274.78
4.4.80.0040.0274.75
4.4.70.0060.0244.76
4.4.60.0060.0224.76
4.4.50.0060.0214.77
4.4.40.0030.0364.71
4.4.30.0030.0234.76
4.4.20.0050.0274.84
4.4.10.0050.0224.85
4.4.00.0040.0354.76
4.3.110.0000.0284.67
4.3.100.0030.0244.66
4.3.90.0030.0244.63
4.3.80.0090.0324.58
4.3.70.0070.0214.63
4.3.60.0060.0214.63
4.3.50.0050.0234.63
4.3.40.0070.0304.53
4.3.30.0050.0223.28
4.3.20.0050.0283.26
4.3.10.0030.0233.22
4.3.00.0030.02335.13

preferences:
36.72 ms | 400 KiB | 5 Q