3v4l.org

run code in 300+ PHP versions simultaneously
<?php $ary = array('h'=>'i', 'j'=>'k'); var_dump(array_keys($ary));

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)
8.3.60.0140.00016.63
8.3.50.0100.01222.85
8.3.40.0070.01018.55
8.3.30.0090.00618.97
8.3.20.0100.00320.16
8.3.10.0040.00423.61
8.3.00.0050.00319.13
8.2.180.0120.00318.16
8.2.170.0110.00722.96
8.2.160.0130.00320.47
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0000.00720.98
8.2.110.0030.00620.35
8.2.100.0080.00318.03
8.2.90.0090.00019.08
8.2.80.0000.00917.97
8.2.70.0050.00317.50
8.2.60.0040.00417.93
8.2.50.0000.00818.07
8.2.40.0080.00018.22
8.2.30.0030.00517.92
8.2.20.0000.00717.62
8.2.10.0000.00717.85
8.2.00.0040.00417.60
8.1.280.0130.00325.92
8.1.270.0030.00723.91
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.00822.19
8.1.230.0080.00419.16
8.1.220.0000.00817.74
8.1.210.0070.00018.77
8.1.200.0030.00617.23
8.1.190.0080.00017.22
8.1.180.0000.00818.10
8.1.170.0040.00418.46
8.1.160.0040.00421.94
8.1.150.0000.00818.88
8.1.140.0000.00717.42
8.1.130.0000.00717.77
8.1.120.0000.00717.38
8.1.110.0000.00717.25
8.1.100.0000.00717.41
8.1.90.0070.00017.26
8.1.80.0030.00417.27
8.1.70.0070.00017.32
8.1.60.0030.00617.50
8.1.50.0060.00317.53
8.1.40.0000.00817.46
8.1.30.0040.00417.54
8.1.20.0070.00017.51
8.1.10.0050.00317.47
8.1.00.0030.00617.34
8.0.300.0000.00718.77
8.0.290.0080.00016.63
8.0.280.0030.00318.36
8.0.270.0040.00417.23
8.0.260.0030.00317.18
8.0.250.0030.00416.86
8.0.240.0070.00016.85
8.0.230.0030.00316.77
8.0.220.0040.00416.70
8.0.210.0000.00716.88
8.0.200.0030.00316.91
8.0.190.0040.00416.80
8.0.180.0020.00516.76
8.0.170.0040.00416.69
8.0.160.0040.00416.76
8.0.150.0070.00016.81
8.0.140.0000.00816.77
8.0.130.0000.00613.22
8.0.120.0080.00016.74
8.0.110.0040.00416.70
8.0.100.0080.00016.64
8.0.90.0000.00716.78
8.0.80.0040.01116.76
8.0.70.0030.00516.84
8.0.60.0070.00016.78
8.0.50.0000.00716.75
8.0.30.0140.00617.03
8.0.20.0130.00717.40
8.0.10.0070.00016.93
8.0.00.0050.01416.73
7.4.330.0050.00015.00
7.4.320.0000.00716.50
7.4.300.0090.00016.41
7.4.290.0000.00716.44
7.4.280.0000.00816.53
7.4.270.0000.00716.41
7.4.260.0040.00416.54
7.4.250.0000.00716.31
7.4.240.0020.00616.44
7.4.230.0030.00316.54
7.4.220.0060.01616.46
7.4.210.0030.01016.59
7.4.200.0030.00316.59
7.4.160.0090.00616.26
7.4.150.0090.00917.40
7.4.140.0120.00517.86
7.4.130.0080.01016.47
7.4.120.0050.01216.41
7.4.110.0060.01516.29
7.4.100.0070.01016.45
7.4.90.0090.00916.32
7.4.80.0090.00919.39
7.4.70.0100.00716.41
7.4.60.0070.01016.43
7.4.50.0040.00416.29
7.4.40.0100.00716.39
7.4.30.0070.01016.48
7.4.10.0080.01214.70
7.4.00.0050.01014.87
7.3.330.0000.00513.05
7.3.320.0050.00012.97
7.3.310.0030.00316.15
7.3.300.0000.00616.03
7.3.290.0120.00816.15
7.3.280.0120.00816.10
7.3.270.0140.00717.40
7.3.260.0060.01016.12
7.3.250.0070.01016.21
7.3.240.0100.00716.38
7.3.230.0030.01316.39
7.3.210.0030.02016.07
7.3.200.0150.00319.39
7.3.190.0000.01716.23
7.3.180.0030.01316.09
7.3.170.0090.01216.27
7.3.160.0060.01016.29
7.3.130.0040.01514.67
7.3.120.0110.00714.49
7.3.110.0030.01314.57
7.3.100.0100.00614.40
7.3.90.0130.00014.63
7.3.80.0110.00514.52
7.3.70.0050.00814.62
7.3.60.0050.00814.52
7.3.50.0030.01014.52
7.3.40.0090.00314.59
7.3.30.0050.00514.70
7.3.20.0060.00716.53
7.3.10.0050.00516.52
7.3.00.0050.00916.41
7.2.330.0130.01116.39
7.2.320.0170.00716.48
7.2.310.0070.01016.21
7.2.300.0100.00716.25
7.2.290.0130.00316.61
7.2.260.0080.00914.90
7.2.250.0090.00915.05
7.2.240.0070.00714.72
7.2.230.0050.01214.91
7.2.220.0050.01014.74
7.2.210.0070.00714.80
7.2.200.0040.00814.62
7.2.190.0050.00814.82
7.2.180.0080.00814.84
7.2.170.0030.01214.83
7.2.160.0070.00714.89
7.2.150.0070.00816.70
7.2.140.0070.00416.67
7.2.130.0020.01116.59
7.2.120.0060.00616.79
7.2.110.0050.01016.52
7.2.100.0070.00916.79
7.2.90.0020.01116.89
7.2.80.0030.00716.67
7.2.70.0020.00916.58
7.2.60.0030.00816.88
7.2.50.0070.00616.59
7.2.40.0050.00916.78
7.2.30.0080.00716.76
7.2.20.0050.00916.69
7.2.10.0070.00716.76
7.2.00.0080.00517.47
7.1.330.0040.01115.60
7.1.320.0020.01315.82
7.1.310.0030.00615.69
7.1.300.0090.00715.64
7.1.290.0060.00815.60
7.1.280.0090.00415.50
7.1.270.0020.01215.67
7.1.260.0050.00615.56
7.1.250.0070.00915.63
7.1.240.0000.00815.46
7.1.230.0040.01115.74
7.1.220.0030.00915.56
7.1.210.0040.00815.86
7.1.200.0060.00615.60
7.1.190.0140.00015.77
7.1.180.0100.00715.64
7.1.170.0030.01015.74
7.1.160.0000.00815.55
7.1.150.0030.01015.89
7.1.140.0030.01015.45
7.1.130.0040.00415.49
7.1.120.0000.00815.68
7.1.110.0070.00415.81
7.1.100.0050.00916.92
7.1.90.0030.00915.84
7.1.80.0030.00615.68
7.1.70.0080.00416.19
7.1.60.0070.00917.53
7.1.50.0080.01016.29
7.1.40.0060.00315.91
7.1.30.0060.00615.74
7.1.20.0060.00915.86
7.1.10.0000.01215.71
7.1.00.0050.04019.03
7.0.330.0070.00715.33
7.0.320.0000.00815.12
7.0.310.0030.00615.38
7.0.300.0030.01015.00
7.0.290.0000.00714.98
7.0.280.0040.00415.33
7.0.270.0000.01115.30
7.0.260.0050.00315.34
7.0.250.0070.00715.55
7.0.240.0030.01015.46
7.0.230.0030.00915.37
7.0.220.0050.00315.45
7.0.210.0060.00615.33
7.0.200.0050.00615.88
7.0.190.0060.00615.38
7.0.180.0090.00615.32
7.0.170.0030.00515.58
7.0.160.0040.00815.58
7.0.150.0070.00415.31
7.0.140.0040.04318.66
7.0.130.0090.00615.41
7.0.120.0040.00815.23
7.0.110.0070.00715.36
7.0.100.0090.00315.32
7.0.90.0080.00415.26
7.0.80.0070.00715.12
7.0.70.0070.01015.29
7.0.60.0070.02717.68
7.0.50.0030.04016.52
7.0.40.0080.02516.67
7.0.30.0240.03216.74
7.0.20.0130.03216.70
7.0.10.0070.03716.71
7.0.00.0060.05016.79
5.6.400.0070.00714.28
5.6.390.0070.00714.00
5.6.380.0130.00014.20
5.6.370.0030.01014.29
5.6.360.0060.00914.26
5.6.350.0000.00914.25
5.6.340.0030.01214.55
5.6.330.0070.00714.37
5.6.320.0100.00614.42
5.6.310.0090.00314.10
5.6.300.0060.00614.06
5.6.290.0080.00513.90
5.6.280.0080.03617.62
5.6.270.0030.01414.38
5.6.260.0090.00614.30
5.6.250.0000.01714.53
5.6.240.0000.01314.38
5.6.230.0030.00714.05
5.6.220.0040.01214.16
5.6.210.0070.04617.41
5.6.200.0100.02516.11
5.6.190.0020.05017.35
5.6.180.0220.04317.45
5.6.170.0180.03317.29
5.6.160.0040.04317.38
5.6.150.0030.02516.23
5.6.140.0070.03416.14
5.6.130.0080.04316.18
5.6.120.0040.02917.51
5.6.110.0040.02417.53
5.6.100.0050.04717.62
5.6.90.0060.03317.68
5.6.80.0010.02417.43
5.6.70.2180.02917.34
5.6.60.0110.00414.07
5.6.50.0070.00714.22
5.6.40.0040.01114.06
5.6.30.0070.00314.12
5.6.20.0030.01314.06
5.6.10.0090.00014.25
5.6.00.0070.01014.21
5.5.380.0050.00514.10
5.5.370.0140.00314.11
5.5.360.0030.01014.23
5.5.350.0080.05017.30
5.5.340.0030.02616.16
5.5.330.0050.02817.04
5.5.320.0040.02917.12
5.5.310.0200.02517.21
5.5.300.0070.02416.19
5.5.290.0070.04316.01
5.5.280.0100.04317.53
5.5.270.0080.04017.30
5.5.260.0080.04617.31
5.5.250.0080.04017.40
5.5.240.0210.03517.19
5.5.230.0060.00913.79
5.5.220.0040.00814.02
5.5.210.0030.01014.18
5.5.200.0070.00713.94
5.5.190.0030.01014.02
5.5.180.0060.00614.07
5.5.170.0070.00314.10
5.5.160.0060.00913.80
5.5.150.0060.00314.01
5.5.140.0060.00613.95
5.5.130.0090.00314.27
5.5.120.0150.00313.97
5.5.110.0040.00813.98
5.5.100.0120.00314.06
5.5.90.0040.00713.91
5.5.80.0030.01214.20
5.5.70.0030.00913.94
5.5.60.0030.00714.06
5.5.50.0070.00714.12
5.5.40.0000.01314.07
5.5.30.0040.00814.26
5.5.20.0040.00814.39
5.5.10.0040.01114.16
5.5.00.0060.00314.05
5.4.450.0130.02015.34
5.4.440.0050.02215.34
5.4.430.0100.02015.26
5.4.420.0140.01515.32
5.4.410.0060.02015.28
5.4.400.0060.02015.28
5.4.390.0050.02715.04
5.4.380.0270.03914.97
5.4.370.0130.03414.88
5.4.360.0190.03114.93
5.4.350.0320.03714.92
5.4.340.0180.03015.01
5.4.330.0030.00311.27
5.4.320.0050.02211.86
5.4.310.0060.02111.86
5.4.300.0030.02211.86
5.4.290.0060.02011.86
5.4.280.0040.02211.80
5.4.270.0030.02111.81
5.4.260.0030.02611.81
5.4.250.0040.02311.81
5.4.240.0020.02311.81
5.4.230.0040.02411.80
5.4.220.0040.02111.80
5.4.210.0050.02511.80
5.4.200.0060.02311.80
5.4.190.0060.02111.80
5.4.180.0070.02011.80
5.4.170.0020.02411.81
5.4.160.0020.02411.81
5.4.150.0060.02111.80
5.4.140.0050.02211.64
5.4.130.0040.02111.64
5.4.120.0070.01911.62
5.4.110.0050.02311.62
5.4.100.0040.02711.62
5.4.90.0100.01711.62
5.4.80.0090.02111.62
5.4.70.0070.02011.61
5.4.60.0080.02111.62
5.4.50.0070.02011.62
5.4.40.0050.01911.61
5.4.30.0070.01811.61
5.4.20.0070.01911.61
5.4.10.0040.02211.61
5.4.00.0060.01911.35
5.3.290.0040.04412.80
5.3.280.0100.03812.71
5.3.270.0120.04112.72
5.3.260.0080.04212.72
5.3.250.0070.03712.72
5.3.240.0070.04812.72
5.3.230.0080.03612.71
5.3.220.0050.04112.68
5.3.210.0070.04412.68
5.3.200.0100.03812.68
5.3.190.0090.03612.68
5.3.180.0070.03712.68
5.3.170.0040.03912.67
5.3.160.0070.03612.67
5.3.150.0060.03712.67
5.3.140.0070.03512.66
5.3.130.0070.03712.66
5.3.120.0090.03712.66
5.3.110.0060.05112.66
5.3.100.0130.03212.12
5.3.90.0070.04912.08
5.3.80.0070.03412.08
5.3.70.0070.04112.07
5.3.60.0070.04212.06
5.3.50.0110.03512.00
5.3.40.0060.03912.00
5.3.30.0060.03511.94
5.3.20.0070.03911.72
5.3.10.0090.03811.69
5.3.00.0090.03711.68
5.2.170.0050.0409.18
5.2.160.0080.0269.17
5.2.150.0030.0399.18
5.2.140.0060.0319.18
5.2.130.0050.0319.14
5.2.120.0090.0349.14
5.2.110.0090.0319.14
5.2.100.0060.0299.14
5.2.90.0040.0369.14
5.2.80.0090.0289.13
5.2.70.0050.0429.13
5.2.60.0040.0319.09
5.2.50.0080.0299.05
5.2.40.0070.0279.03
5.2.30.0080.0319.00
5.2.20.0060.0329.00
5.2.10.0080.0248.91
5.2.00.0060.0388.77
5.1.60.0070.0218.06
5.1.50.0040.0248.05
5.1.40.0030.0268.04
5.1.30.0030.0268.39
5.1.20.0070.0238.41
5.1.10.0030.0268.13
5.1.00.0070.0228.14
5.0.50.0020.0236.62
5.0.40.0050.0186.47
5.0.30.0030.0326.29
5.0.20.0040.0196.26
5.0.10.0040.0196.23
5.0.00.0070.0276.23
4.4.90.0030.0154.78
4.4.80.0030.0154.75
4.4.70.0040.0154.75
4.4.60.0040.0154.75
4.4.50.0030.0224.77
4.4.40.0010.0284.71
4.4.30.0030.0184.76
4.4.20.0040.0154.85
4.4.10.0040.0144.85
4.4.00.0020.0264.76
4.3.110.0040.0154.67
4.3.100.0040.0144.67
4.3.90.0040.0134.63
4.3.80.0040.0234.58
4.3.70.0030.0144.63
4.3.60.0040.0154.63
4.3.50.0060.0124.63
4.3.40.0020.0254.54
4.3.30.0020.0233.28
4.3.20.0030.0203.25
4.3.10.0040.0143.21
4.3.00.0000.01714.87

preferences:
53.62 ms | 401 KiB | 5 Q