3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array ( "0" => array ( "name" =>"WWW" ), "1" => array ( "name" => "Hi" ), "2" => array ( "name" => "Hello" ), "3" => array ( "name" => "World" ) ); print_r(array_keys($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)
8.3.60.0100.01018.39
8.3.50.0160.00621.08
8.3.40.0060.01218.71
8.3.30.0030.01020.26
8.3.20.0050.00320.34
8.3.10.0080.00022.09
8.3.00.0040.00422.58
8.2.180.0070.01116.50
8.2.170.0070.01122.96
8.2.160.0130.00020.17
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00419.36
8.2.110.0030.00619.39
8.2.100.0150.00017.72
8.2.90.0070.00019.23
8.2.80.0030.00619.25
8.2.70.0030.00517.50
8.2.60.0030.00617.91
8.2.50.0050.00318.07
8.2.40.0040.00418.09
8.2.30.0000.00719.38
8.2.20.0040.00417.56
8.2.10.0060.00317.60
8.2.00.0080.00017.61
8.1.280.0140.00425.92
8.1.270.0030.00623.96
8.1.260.0050.00226.35
8.1.250.0050.00328.09
8.1.240.0110.00722.42
8.1.230.0110.00020.88
8.1.220.0040.00418.77
8.1.210.0070.00318.77
8.1.200.0030.00617.22
8.1.190.0000.00717.41
8.1.180.0000.00818.10
8.1.170.0000.00718.59
8.1.160.0040.00418.88
8.1.150.0030.00718.48
8.1.140.0050.00317.42
8.1.130.0030.00617.72
8.1.120.0000.00717.29
8.1.110.0070.00017.40
8.1.100.0000.00717.28
8.1.90.0070.00017.36
8.1.80.0000.00717.38
8.1.70.0030.00317.41
8.1.60.0080.00017.55
8.1.50.0030.00617.35
8.1.40.0090.00017.46
8.1.30.0030.00517.58
8.1.20.0040.00417.53
8.1.10.0040.00417.35
8.1.00.0020.00517.36
8.0.300.0030.00319.89
8.0.290.0050.00317.05
8.0.280.0000.00718.30
8.0.270.0030.00317.06
8.0.260.0060.00016.75
8.0.250.0000.00716.90
8.0.240.0070.00016.91
8.0.230.0030.00316.86
8.0.220.0050.00216.84
8.0.210.0000.00716.77
8.0.200.0030.00316.85
8.0.190.0000.00816.85
8.0.180.0070.00016.84
8.0.170.0090.00016.76
8.0.160.0000.00716.87
8.0.150.0050.00216.84
8.0.140.0050.00516.81
8.0.130.0030.00313.33
8.0.120.0050.00316.70
8.0.110.0030.00516.77
8.0.100.0040.00416.77
8.0.90.0070.00016.69
8.0.80.0000.01616.91
8.0.70.0030.00516.84
8.0.60.0080.00016.72
8.0.50.0000.00716.64
8.0.30.0110.00616.90
8.0.20.0120.00617.40
8.0.10.0000.00816.95
8.0.00.0080.01216.53
7.4.330.0000.00516.77
7.4.320.0030.00316.52
7.4.300.0030.00316.39
7.4.290.0030.00316.55
7.4.280.0030.00616.41
7.4.270.0070.00016.45
7.4.260.0000.00513.13
7.4.250.0000.00716.49
7.4.240.0030.00416.53
7.4.230.0070.00016.42
7.4.220.0100.01316.48
7.4.210.0070.00916.49
7.4.200.0040.00416.53
7.4.190.0060.00016.29
7.4.160.0140.00316.29
7.4.150.0060.01317.40
7.4.140.0080.00817.86
7.4.130.0150.00716.32
7.4.120.0110.00616.48
7.4.110.0060.01216.24
7.4.100.0140.00416.54
7.4.90.0080.01216.35
7.4.80.0070.01019.39
7.4.70.0110.00616.45
7.4.60.0100.00616.27
7.4.50.0040.00416.42
7.4.40.0090.00922.77
7.4.30.0090.00616.61
7.4.00.0100.00615.07
7.3.330.0000.00513.02
7.3.320.0000.00513.03
7.3.310.0000.00716.00
7.3.300.0050.00216.15
7.3.290.0040.01116.05
7.3.280.0110.00616.11
7.3.270.0070.01017.40
7.3.260.0050.01316.11
7.3.250.0070.01416.29
7.3.240.0070.01016.38
7.3.230.0100.01016.39
7.3.210.0100.00716.30
7.3.200.0100.00719.39
7.3.190.0100.00616.43
7.3.180.0040.01116.18
7.3.170.0100.00616.36
7.3.160.0090.01216.11
7.3.120.0090.00614.88
7.2.330.0170.00016.15
7.2.320.0070.01016.11
7.2.310.0070.01016.16
7.2.300.0100.01016.21
7.2.290.0120.00616.44
7.2.00.0000.01618.97
7.1.100.0060.00918.37
7.1.70.0050.00216.88
7.1.60.0060.01919.17
7.1.50.0070.01516.80
7.1.00.0000.04322.26
7.0.200.0100.00016.61
7.0.140.0100.08321.93
7.0.60.0130.07319.87
7.0.50.0130.07017.72
7.0.40.0070.04320.02
7.0.30.0300.06720.08
7.0.20.0330.04720.12
7.0.10.0030.09720.22
7.0.00.0130.03320.05
5.6.280.0100.06720.89
5.6.210.0100.03320.54
5.6.200.0030.08718.19
5.6.190.0070.09720.44
5.6.180.3100.04320.56
5.6.170.0200.04020.55
5.6.160.0100.08320.46
5.6.150.0030.08318.16
5.6.140.0170.07018.21
5.6.130.0070.08318.18
5.6.120.0030.09021.01
5.6.110.0070.07721.04
5.6.100.0070.06020.84
5.6.90.0030.04320.99
5.6.80.0070.04020.39
5.6.70.3870.04020.42
5.5.350.0030.04320.37
5.5.340.0000.05717.96
5.5.330.0030.09020.29
5.5.320.0300.04720.36
5.5.310.0230.06320.34
5.5.300.0100.07718.04
5.5.290.0100.08017.95
5.5.280.0100.04720.67
5.5.270.0000.08020.95
5.5.260.0030.04720.86
5.5.250.0070.06020.68
5.5.240.0100.06720.02
5.4.450.0130.03719.28
5.4.440.0100.06319.41
5.4.430.0030.06019.56
5.4.420.0100.05019.54
5.4.410.0130.04719.28
5.4.400.0070.03719.20
5.4.390.0100.07719.15
5.4.380.0100.05719.31
5.4.370.0100.06319.06
5.4.360.0130.05019.06
5.4.350.0300.04019.24
5.4.340.0070.06319.31
5.4.320.0100.08018.89
5.4.310.0100.05319.16
5.4.300.0070.06719.09
5.4.290.0030.05019.16
5.4.280.0070.05319.10
5.4.270.0100.07019.18
5.4.260.0070.07718.85
5.4.250.0030.04019.21
5.4.240.0100.03319.14
5.4.230.0070.07719.30
5.4.220.0070.06318.97
5.4.210.0130.02718.94
5.4.200.0070.04019.15
5.4.190.0170.04019.05
5.4.180.0130.06318.98
5.4.170.0070.03719.15
5.4.160.0030.05019.13
5.4.150.0000.04719.20
5.4.140.0070.04716.51
5.4.130.0100.05716.51
5.4.120.0130.07016.53
5.4.110.0030.07316.55
5.4.100.0100.04016.56
5.4.90.0030.07316.35
5.4.80.0100.05716.34
5.4.70.0100.07316.54
5.4.60.0100.06316.16
5.4.50.0100.04716.53
5.4.40.0100.07016.55
5.4.30.0070.06016.25
5.4.20.0070.07016.16
5.4.10.0070.06016.23
5.4.00.0030.07715.80
5.3.290.0100.05714.65
5.3.280.0030.03714.67
5.3.270.0070.05314.50
5.3.260.0070.07714.84
5.3.250.0070.06014.52
5.3.240.0030.05714.75
5.3.230.0070.05714.67
5.3.220.0070.05714.53
5.3.210.0100.07714.57
5.3.200.0070.05014.56
5.3.190.0130.03314.47
5.3.180.0030.04714.54
5.3.170.0030.06014.46
5.3.160.0070.08014.64
5.3.150.0100.07014.48
5.3.140.0100.05014.48
5.3.130.0070.06314.66
5.3.120.0100.08014.66
5.3.110.0070.06014.52
5.3.100.0070.07714.00
5.3.90.0030.04313.99
5.3.80.0100.07314.01
5.3.70.0100.03713.92
5.3.60.0070.03314.07
5.3.50.0070.03313.86
5.3.40.0000.04013.84
5.3.30.0030.03713.83
5.3.20.0000.04013.83
5.3.10.0030.03313.83
5.3.00.0100.03013.83
5.2.170.0000.03313.83
5.2.160.0070.02713.83
5.2.150.0030.03013.83
5.2.140.0030.03313.83
5.2.130.0000.02713.83
5.2.120.0030.02713.83
5.2.110.0000.03013.83
5.2.100.0070.02313.83
5.2.90.0030.02713.83
5.2.80.0030.02713.83
5.2.70.0000.03013.83
5.2.60.0000.03313.83
5.2.50.0000.03013.83
5.2.40.0000.03013.83
5.2.30.0000.03013.83
5.2.20.0000.02713.83
5.2.10.0070.06013.83
5.2.00.0030.03013.83
5.1.60.0030.05313.83
5.1.50.0000.04713.83
5.1.40.0000.02713.83
5.1.30.0130.01713.83
5.1.20.0030.03013.83
5.1.10.0030.02313.83
5.1.00.0000.02313.83
5.0.50.0000.02013.83
5.0.40.0000.02013.83
5.0.30.0000.03313.11
5.0.20.0000.02013.11
5.0.10.0000.02013.11
5.0.00.0030.03013.11
4.4.90.0030.01313.83
4.4.80.0000.01313.83
4.4.70.0030.02013.83
4.4.60.0030.01713.83
4.4.50.0000.01713.83
4.4.40.0000.04313.83
4.4.30.0000.02013.83
4.4.20.0000.01313.83
4.4.10.0000.02013.83
4.4.00.0000.02713.83
4.3.110.0000.01713.11
4.3.100.0030.01313.11
4.3.90.0000.01313.11
4.3.80.0000.02713.11
4.3.70.0030.01313.11
4.3.60.0000.01313.11
4.3.50.0030.01313.11
4.3.40.0000.02313.11
4.3.30.0000.01713.11
4.3.20.0000.01713.11
4.3.10.0030.01313.11
4.3.00.0000.01313.11

preferences:
45.39 ms | 401 KiB | 5 Q