3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [1, [2, 3]]; $arr = $arr[1]; $key = $arr[0]; var_dump($key, $arr);

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)
8.3.60.0130.00718.56
8.3.50.0100.00721.92
8.3.40.0070.00718.59
8.3.30.0090.00618.60
8.3.20.0030.00618.48
8.3.10.0070.00019.30
8.3.00.0050.00221.60
8.2.180.0100.01016.50
8.2.170.0090.00622.96
8.2.160.0040.01220.39
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0040.00421.19
8.2.110.0030.00620.46
8.2.100.0080.00317.72
8.2.90.0040.00419.23
8.2.80.0040.00417.97
8.2.70.0040.00417.50
8.2.60.0000.00818.04
8.2.50.0000.00818.07
8.2.40.0040.00418.09
8.2.30.0040.00419.43
8.2.20.0000.00817.52
8.2.10.0000.00717.55
8.2.00.0080.00317.65
8.1.280.0110.00425.92
8.1.270.0000.00723.99
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0040.00422.39
8.1.230.0090.00320.90
8.1.220.0060.00318.77
8.1.210.0000.01018.82
8.1.200.0040.00417.23
8.1.190.0000.00817.53
8.1.180.0040.00418.10
8.1.170.0000.00818.59
8.1.160.0000.00718.81
8.1.150.0070.00018.68
8.1.140.0000.00817.38
8.1.130.0030.00317.69
8.1.120.0070.00017.28
8.1.110.0000.00717.38
8.1.100.0000.00717.30
8.1.90.0000.00717.36
8.1.80.0000.00917.30
8.1.70.0030.00317.41
8.1.60.0040.00417.57
8.1.50.0000.00817.44
8.1.40.0060.00317.43
8.1.30.0000.00817.41
8.1.20.0030.00617.60
8.1.10.0000.00717.53
8.1.00.0050.00317.29
8.0.300.0000.00819.80
8.0.290.0000.00817.16
8.0.280.0030.00318.42
8.0.270.0070.00017.19
8.0.260.0030.00316.73
8.0.250.0090.00016.93
8.0.240.0040.00416.76
8.0.230.0000.00716.87
8.0.220.0070.00016.79
8.0.210.0050.00316.82
8.0.200.0030.00316.87
8.0.190.0040.00416.92
8.0.180.0020.00516.83
8.0.170.0030.00316.89
8.0.160.0000.00816.79
8.0.150.0040.00416.67
8.0.140.0070.00416.76
8.0.130.0050.00013.26
8.0.120.0030.00416.70
8.0.110.0020.00516.63
8.0.100.0030.00316.63
8.0.90.0100.00016.61
8.0.80.0030.01216.71
8.0.70.0070.00016.88
8.0.60.0040.00416.81
8.0.50.0050.00216.70
8.0.30.0080.01517.13
8.0.20.0080.01117.40
8.0.10.0000.00716.89
8.0.00.0080.00916.73
7.4.330.0050.00016.77
7.4.320.0000.00616.34
7.4.300.0000.00616.45
7.4.290.0030.00316.52
7.4.280.0070.00016.43
7.4.270.0040.00416.41
7.4.260.0000.00513.30
7.4.250.0000.00816.48
7.4.240.0070.00016.49
7.4.230.0000.00716.39
7.4.220.0110.00716.41
7.4.210.0060.01016.45
7.4.200.0000.00716.43
7.4.190.0000.00716.55
7.4.160.0110.00316.32
7.4.150.0070.01017.40
7.4.140.0130.01917.86
7.4.130.0110.00616.42
7.4.120.0030.01316.39
7.4.110.0080.00816.47
7.4.100.0120.00916.50
7.4.90.0090.00916.40
7.4.80.0030.01319.39
7.4.70.0040.01416.46
7.4.60.0090.00916.45
7.4.50.0090.00016.32
7.4.40.0030.00822.77
7.4.30.0130.00316.39
7.4.10.0100.01015.05
7.4.00.0090.00815.01
7.3.330.0030.00313.12
7.3.320.0050.00012.87
7.3.310.0000.00616.04
7.3.300.0030.00316.18
7.3.290.0030.01116.14
7.3.280.0090.00916.21
7.3.270.0130.01017.40
7.3.260.0090.01218.24
7.3.250.0080.01016.24
7.3.240.0090.01216.23
7.3.230.0100.00716.43
7.3.210.0000.01616.34
7.3.200.0120.00619.39
7.3.190.0090.01216.32
7.3.180.0110.00516.18
7.3.170.0030.01316.61
7.3.160.0090.00616.29
7.3.130.0110.00414.73
7.3.120.0060.01114.76
7.3.110.0060.00914.80
7.3.100.0070.01014.74
7.3.90.0070.00714.57
7.3.80.0060.00914.74
7.3.70.0060.00514.77
7.3.60.0070.00714.61
7.3.50.0070.00714.75
7.3.40.0090.00414.81
7.3.30.0050.00714.65
7.3.20.0080.00716.68
7.3.10.0080.01016.50
7.3.00.0080.00616.63
7.2.330.0140.00316.27
7.2.320.0040.01416.61
7.2.310.0090.00916.23
7.2.300.0160.00016.37
7.2.290.0090.00916.66
7.2.260.0090.00614.79
7.2.250.0060.01114.74
7.2.240.0100.00814.86
7.2.230.0060.00914.91
7.2.220.0110.00715.11
7.2.210.0050.01114.88
7.2.200.0030.01114.88
7.2.190.0050.01015.02
7.2.180.0080.00314.73
7.2.170.0090.00514.78
7.2.160.0030.01414.82
7.2.150.0070.01016.95
7.2.140.0030.01016.76
7.2.130.0040.00916.88
7.2.120.0070.00716.74
7.2.110.0140.00416.68
7.2.100.0080.00416.55
7.2.90.0060.01116.70
7.2.80.0070.00516.65
7.2.70.0110.00616.56
7.2.60.0070.00816.69
7.2.50.0110.00516.71
7.2.40.0060.00716.80
7.2.30.0090.00316.77
7.2.20.0050.00916.83
7.2.10.0050.00616.66
7.2.00.0100.00817.60
7.1.330.0040.01115.65
7.1.320.0040.01015.76
7.1.310.0090.00515.65
7.1.300.0060.01015.67
7.1.290.0040.00715.75
7.1.280.0050.00915.85
7.1.270.0050.00815.84
7.1.260.0080.00715.82
7.1.250.0060.00815.62
7.1.240.0070.00715.69
7.1.230.0070.00715.76
7.1.220.0080.00615.59
7.1.210.0080.00515.76
7.1.200.0050.00715.79
7.1.190.0060.00815.83
7.1.180.0090.00515.79
7.1.170.0060.00615.73
7.1.160.0090.00315.76
7.1.150.0010.01015.76
7.1.140.0070.00815.84
7.1.130.0070.00815.70
7.1.120.0020.01015.84
7.1.110.0050.01015.78
7.1.100.0030.00916.52
7.1.90.0060.00615.71
7.1.80.0080.00515.75
7.1.70.0100.00416.22
7.1.60.0060.01017.04
7.1.50.0060.01116.07
7.1.40.0100.00515.63
7.1.30.0080.00515.78
7.1.20.0070.00615.79
7.1.10.0150.00315.72
7.1.00.0070.01917.93
7.0.330.0050.00615.25
7.0.320.0100.00515.15
7.0.310.0030.00715.29
7.0.300.0050.00715.27
7.0.290.0020.01115.28
7.0.280.0050.00915.24
7.0.270.0070.00315.35
7.0.260.0080.00815.21
7.0.250.0030.01215.38
7.0.240.0080.00815.38
7.0.230.0090.00915.38
7.0.220.0100.00215.40
7.0.210.0060.00815.46
7.0.200.0080.00315.58
7.0.190.0070.00815.28
7.0.180.0040.00815.24
7.0.170.0040.00815.38
7.0.160.0100.00015.36
7.0.150.0050.01015.11
7.0.140.0080.02617.58
7.0.130.0020.01115.26
7.0.120.0060.00515.13
7.0.110.0100.00415.27
7.0.100.0100.00815.26
7.0.90.0070.00815.45
7.0.80.0050.00715.17
7.0.70.0030.03517.55
7.0.60.0030.03417.30
7.0.50.0060.03017.60
7.0.40.0060.02815.61
7.0.30.0080.02815.59
7.0.20.0070.02715.62
7.0.10.0060.02615.60
7.0.00.0040.02915.54
5.6.400.0000.01014.44
5.6.390.0130.00014.14
5.6.380.0060.00814.35
5.6.370.0020.01214.13
5.6.360.0030.01014.38
5.6.350.0090.00614.04
5.6.340.0070.00714.28
5.6.330.0070.00614.11
5.6.320.0070.00614.55
5.6.310.0060.00814.39
5.6.300.0030.01314.18
5.6.290.0100.00514.34
5.6.280.0040.02916.54
5.6.270.0030.01213.95
5.6.260.0030.01014.32
5.6.250.0080.00814.30
5.6.240.0000.01114.32
5.6.230.0020.00914.43
5.6.220.0060.02816.27
5.6.210.0080.03216.37
5.6.200.0110.02816.48
5.6.190.0040.03316.50
5.6.180.0020.03416.54
5.6.170.0080.03016.51
5.6.160.0050.03416.49
5.6.150.0050.02716.52
5.6.140.0040.03116.61
5.6.130.0030.02816.41
5.6.120.0060.01916.50
5.6.110.0060.03416.51
5.6.100.0060.02716.50
5.6.90.0080.03116.53
5.6.80.0050.02716.28
5.6.70.0020.02816.29
5.6.60.0040.03316.09
5.6.50.0040.03216.13
5.6.40.0030.02616.18
5.6.30.0060.03216.33
5.6.20.0070.02916.19
5.6.10.0050.03116.12
5.6.00.0070.02016.04
5.5.380.0070.00512.73
5.5.370.0060.00612.78
5.5.360.0040.03615.26
5.5.350.0030.02615.26
5.5.340.0050.03215.33
5.5.330.0050.02915.51
5.5.320.0020.02515.38
5.5.310.0040.02615.27
5.5.300.0030.03115.45
5.5.290.0050.02915.43
5.5.280.0030.01815.36
5.5.270.0050.03515.35
5.5.260.0050.02915.34
5.5.250.0030.03315.29
5.5.240.0060.02415.11
5.5.230.0060.03215.08
5.5.220.0030.03315.19
5.5.210.0040.02315.22
5.5.200.0090.02715.12
5.5.190.0060.02715.13
5.5.180.0010.02215.27
5.5.170.0060.00612.62
5.5.160.0070.02815.15
5.5.150.0050.03015.17
5.5.140.0040.02915.19
5.5.130.0050.02915.20
5.5.120.0010.03115.17
5.5.110.0040.02715.27
5.5.100.0050.03215.03
5.5.90.0080.02415.15
5.5.80.0020.03115.23
5.5.70.0040.02515.17
5.5.60.0030.01715.12
5.5.50.0060.01715.09
5.5.40.0060.01715.13
5.5.30.0060.01515.07
5.5.20.0030.01815.18
5.5.10.0050.01615.12
5.5.00.0010.01815.13
5.4.450.0030.03113.99
5.4.440.0030.03013.95
5.4.430.0040.02813.97
5.4.420.0050.02913.96
5.4.410.0020.02913.98
5.4.400.0020.02713.89
5.4.390.0040.02113.85
5.4.380.0040.02513.77
5.4.370.0040.02313.88
5.4.360.0030.02713.82
5.4.350.0020.02213.88
5.4.340.0030.02413.88
5.4.330.0020.00811.27
5.4.320.0030.02913.81
5.4.310.0050.02613.85
5.4.300.0010.02913.82
5.4.290.0060.02613.86
5.4.280.0050.02613.86
5.4.270.0050.02213.87
5.4.260.0050.02313.92
5.4.250.0030.03013.85
5.4.240.0030.02813.86
5.4.230.0060.02313.89
5.4.220.0020.01713.86
5.4.210.0040.01613.88
5.4.200.0040.01713.81
5.4.190.0050.01413.83
5.4.180.0050.01213.88
5.4.170.0040.01613.85
5.4.160.0030.01713.87
5.4.150.0060.01313.84
5.4.140.0010.01512.94
5.4.130.0050.01212.95
5.4.120.0030.01212.95
5.4.110.0040.01812.92
5.4.100.0040.01412.96
5.4.90.0020.01412.93
5.4.80.0040.01412.94
5.4.70.0020.01512.94
5.4.60.0070.00812.95
5.4.50.0030.01412.92
5.4.40.0040.01312.92
5.4.30.0030.01312.92
5.4.20.0030.01412.90
5.4.10.0040.01412.98
5.4.00.0050.01312.77
5.3.290.0030.02912.40
5.3.280.0040.01812.38
5.3.270.0050.01612.33
5.3.260.0030.01312.37
5.3.250.0020.01512.38
5.3.240.0040.01112.34
5.3.230.0000.01712.33
5.3.220.0040.01512.31
5.3.210.0020.01712.36
5.3.200.0020.01412.37
5.3.190.0050.01212.35
5.3.180.0030.01512.32
5.3.170.0000.01912.32
5.3.160.0010.01412.37
5.3.150.0020.01412.36
5.3.140.0010.01612.36
5.3.130.0040.01612.34
5.3.120.0010.01912.33
5.3.110.0040.01512.33
5.3.100.0050.01312.19
5.3.90.0040.01312.19
5.3.80.0020.01412.18
5.3.70.0040.01412.17
5.3.60.0020.01612.10
5.3.50.0040.01412.11
5.3.40.0060.01112.16
5.3.30.0040.01412.15
5.3.20.0020.01412.03
5.3.10.0020.01211.99
5.3.00.0030.01312.04
5.2.170.0060.01211.20
5.2.160.0020.01711.20
5.2.150.0020.01611.20
5.2.140.0030.01311.20
5.2.130.0020.01511.20
5.2.120.0000.01411.20
5.2.110.0000.01611.20
5.2.100.0030.01211.20
5.2.90.0020.01711.20
5.2.80.0000.01911.20
5.2.70.0020.01911.20
5.2.60.0020.01311.20
5.2.50.0050.01211.20
5.2.40.0020.01711.20
5.2.30.0000.02411.20
5.2.20.0030.01711.20
5.2.10.0030.03011.20
5.2.00.0020.01511.20
5.1.60.0050.02011.20
5.1.50.0030.01911.20
5.1.40.0040.01411.20
5.1.30.0040.01211.20
5.1.20.0010.01611.20
5.1.10.0020.01911.20
5.1.00.0030.02111.20
5.0.50.0000.01811.20
5.0.40.0040.02011.20
5.0.30.0000.03111.20
5.0.20.0000.02411.20
5.0.10.0030.01311.20
5.0.00.0030.03311.20
4.4.90.0040.00711.20
4.4.80.0030.00711.20
4.4.70.0000.00911.20
4.4.60.0020.00811.20
4.4.50.0020.00811.20
4.4.40.0000.01211.20
4.4.30.0030.01011.20
4.4.20.0000.01211.20
4.4.10.0000.01511.20
4.4.00.0040.02311.20
4.3.110.0000.02111.20
4.3.100.0000.02011.20
4.3.90.0020.01811.20
4.3.80.0000.01611.20
4.3.70.0000.01911.20
4.3.60.0030.01411.20
4.3.50.0000.01811.20
4.3.40.0020.02711.20
4.3.30.0000.01011.20
4.3.20.0030.01311.20
4.3.10.0000.02111.20
4.3.00.0020.01911.20

preferences:
49.01 ms | 401 KiB | 5 Q