3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array('id' => 'a','b','c','d','e','f','g'); $new_value = $array['id']; unset($array['id']); array_unshift($array, $new_value); var_dump($array);

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)
8.3.60.0060.01316.50
8.3.50.0090.01122.91
8.3.40.0110.01118.45
8.3.30.0140.00019.05
8.3.20.0000.00720.21
8.3.10.0080.00021.83
8.3.00.0110.00417.55
8.2.180.0070.01416.38
8.2.170.0100.01022.96
8.2.160.0100.00320.45
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0030.00526.16
8.2.120.0000.00720.89
8.2.110.0070.00422.07
8.2.100.0090.00317.91
8.2.90.0040.00419.22
8.2.80.0030.00617.97
8.2.70.0000.00817.50
8.2.60.0110.00217.80
8.2.50.0050.00318.07
8.2.40.0030.00518.16
8.2.30.0000.00817.96
8.2.20.0040.00417.77
8.2.10.0000.00818.15
8.2.00.0000.00717.56
8.1.280.0070.01025.92
8.1.270.0090.00023.96
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0030.00623.80
8.1.230.0040.00717.42
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0040.00417.11
8.1.180.0000.00818.10
8.1.170.0040.00418.56
8.1.160.0030.00321.86
8.1.150.0030.00618.81
8.1.140.0040.00417.36
8.1.130.0000.00717.72
8.1.120.0000.00717.38
8.1.110.0000.00817.43
8.1.100.0000.00717.27
8.1.90.0030.00617.41
8.1.80.0060.00317.27
8.1.70.0030.00317.29
8.1.60.0060.00317.41
8.1.50.0030.00617.46
8.1.40.0050.00517.34
8.1.30.0000.00817.47
8.1.20.0000.00717.57
8.1.10.0060.00317.45
8.1.00.0050.00217.39
8.0.300.0050.00218.77
8.0.290.0040.00416.63
8.0.280.0070.00018.38
8.0.270.0050.00317.11
8.0.260.0030.00317.21
8.0.250.0030.00316.88
8.0.240.0040.00416.84
8.0.230.0050.00316.92
8.0.220.0000.00716.84
8.0.210.0040.00416.82
8.0.200.0030.00316.94
8.0.190.0000.00816.86
8.0.180.0040.00416.73
8.0.170.0050.00316.88
8.0.160.0040.00416.76
8.0.150.0030.00316.71
8.0.140.0040.00416.76
8.0.130.0000.00613.27
8.0.120.0040.00416.83
8.0.110.0050.00316.78
8.0.100.0040.00416.83
8.0.90.0000.00716.64
8.0.80.0100.00716.78
8.0.70.0040.00416.88
8.0.60.0040.00416.84
8.0.50.0040.00416.71
8.0.30.0100.01017.11
8.0.20.0110.00817.40
8.0.10.0000.00716.92
8.0.00.0070.01016.84
7.4.330.0000.00515.00
7.4.320.0030.00316.63
7.4.300.0030.00316.35
7.4.290.0000.00716.51
7.4.280.0040.00416.56
7.4.270.0030.00316.61
7.4.260.0030.00316.49
7.4.250.0040.00416.59
7.4.240.0000.00716.50
7.4.230.0030.00316.23
7.4.220.0060.01316.69
7.4.210.0040.01116.58
7.4.200.0070.00016.38
7.4.160.0070.01016.44
7.4.150.0090.01517.40
7.4.140.0120.00817.86
7.4.130.0060.01516.39
7.4.120.0100.00716.46
7.4.110.0080.01216.56
7.4.100.0110.00616.48
7.4.90.0030.01316.41
7.4.80.0150.00319.39
7.4.70.0180.00016.18
7.4.60.0080.00816.52
7.4.50.0070.00016.54
7.4.40.0130.01316.29
7.4.30.0110.00516.64
7.4.00.0030.01014.72
7.3.330.0000.00613.09
7.3.320.0030.00313.09
7.3.310.0030.00316.12
7.3.300.0000.00716.25
7.3.290.0070.00716.25
7.3.280.0070.01116.24
7.3.270.0070.01117.40
7.3.260.0060.01216.27
7.3.240.0130.01016.23
7.3.230.0030.01316.39
7.3.210.0080.00916.36
7.3.200.0100.01019.39
7.3.190.0120.00316.42
7.3.180.0030.01516.15
7.3.170.0110.01116.36
7.3.160.0060.01216.18
7.3.120.0000.01714.80
7.3.10.0140.00816.13
7.3.00.0370.00016.39
7.2.330.0070.01116.33
7.2.320.0130.00316.39
7.2.310.0140.00316.35
7.2.300.0120.00616.47
7.2.290.0050.01116.56
7.2.130.0030.01316.68
7.2.120.0130.00616.71
7.2.110.0110.01516.65
7.2.100.0220.00416.59
7.2.90.0170.00316.25
7.2.80.0170.00616.36
7.2.70.0110.01417.07
7.2.60.0530.00316.49
7.2.50.0200.01716.38
7.2.40.0100.01316.41
7.2.30.0270.00616.68
7.2.20.0410.00916.45
7.2.10.0170.01016.40
7.2.00.0230.00718.13
7.1.250.0120.00615.84
7.1.100.0040.00717.81
7.1.70.0000.00717.21
7.1.60.0070.01819.40
7.1.50.0110.00716.97
7.1.00.0070.07322.36
7.0.200.0030.00516.73
7.0.140.0030.07022.01
7.0.60.0130.07719.94
7.0.50.0030.04317.82
7.0.40.0070.08720.06
7.0.30.0170.04020.02
7.0.20.0170.04320.09
7.0.10.0030.04720.09
7.0.00.0030.09020.16
5.6.280.0070.07021.02
5.6.210.0070.07020.75
5.6.200.0070.07018.18
5.6.190.0070.08320.45
5.6.180.3130.04020.43
5.6.170.0230.05020.39
5.6.160.0130.07020.41
5.6.150.0130.04018.06
5.6.140.0130.07018.20
5.6.130.0000.08018.12
5.6.120.0030.07321.02
5.6.110.0100.05321.04
5.6.100.0130.07721.01
5.6.90.0070.04720.96
5.6.80.0100.05320.42
5.5.350.0270.07320.35
5.5.340.0100.05017.88
5.5.330.0000.07320.19
5.5.320.3600.04020.34
5.5.310.0270.05020.24
5.5.300.0070.08718.00
5.5.290.0070.04017.91
5.5.280.0100.08020.86
5.5.270.0100.07020.85
5.5.260.0030.08020.95
5.5.250.0130.07320.68
5.5.240.4200.03720.11
5.4.450.0030.05019.49
5.4.440.0570.03719.54
5.4.430.0200.04719.42
5.4.420.0800.04319.13
5.4.410.0300.04319.37
5.4.400.0300.04319.16
5.4.390.0330.04319.08
5.4.380.0370.05018.52
5.4.370.0330.04718.46
5.4.360.0270.06018.78
5.4.350.0630.05718.60
5.4.340.0400.04318.53
5.4.320.0070.03612.45
5.4.310.0050.03912.45
5.4.300.0080.03812.45
5.4.290.0080.03812.45
5.4.280.0040.03912.35
5.4.270.0070.03812.34
5.4.260.0090.03812.34
5.4.250.0110.04012.34
5.4.240.0040.04812.34
5.4.230.0070.03612.34
5.4.220.0080.04212.34
5.4.210.0050.03712.34
5.4.200.0050.03712.34
5.4.190.0060.03512.34
5.4.180.0030.03812.34
5.4.170.0080.03912.34
5.4.160.0040.03712.34
5.4.150.0060.03512.34
5.4.140.0060.03712.02
5.4.130.0000.04112.01
5.4.120.0060.03511.97
5.4.110.0100.03911.96
5.4.100.0040.03811.96
5.4.90.0050.03811.96
5.4.80.0060.03711.96
5.4.70.0090.03311.96
5.4.60.0050.03611.96
5.4.50.0050.03611.96
5.4.40.0070.04211.95
5.4.30.0030.03811.95
5.4.20.0080.04411.95
5.4.10.0050.03511.95
5.4.00.0070.03511.43
5.3.290.0030.04312.80
5.3.280.0090.04112.71
5.3.270.0080.03712.73
5.3.260.0070.03812.72
5.3.250.0090.03212.72
5.3.240.0040.03712.72
5.3.230.0070.03812.70
5.3.220.0050.03712.68
5.3.210.0100.05312.68
5.3.200.0040.04012.68
5.3.190.0070.03612.67
5.3.180.0060.03612.67
5.3.170.0080.03412.67
5.3.160.0050.03712.68
5.3.150.0070.03512.67
5.3.140.0060.04112.66
5.3.130.0080.04112.66
5.3.120.0080.03612.65
5.3.110.0070.04912.66
5.3.100.0070.03512.12
5.3.90.0040.03812.08
5.3.80.0050.04312.08
5.3.70.0110.03112.07
5.3.60.0060.04112.06
5.3.50.0080.04612.00
5.3.40.0080.04112.00
5.3.30.0060.03411.94
5.3.20.0060.04211.72
5.3.10.0070.03911.69
5.3.00.0080.03911.68
5.2.170.0080.0379.18
5.2.160.0050.0389.18
5.2.150.0050.0339.18
5.2.140.0050.0369.18
5.2.130.0080.0349.13
5.2.120.0050.0289.13
5.2.110.0040.0309.14
5.2.100.0030.0309.14
5.2.90.0030.0319.14
5.2.80.0050.0299.13
5.2.70.0040.0319.13
5.2.60.0060.0299.09
5.2.50.0040.0299.06
5.2.40.0040.0289.04
5.2.30.0050.0369.01
5.2.20.0010.0339.00
5.2.10.0020.0308.92
5.2.00.0040.0298.77
5.1.60.0030.0278.06
5.1.50.0040.0298.05
5.1.40.0040.0248.04
5.1.30.0040.0338.39
5.1.20.0030.0338.41
5.1.10.0070.0338.14
5.1.00.0050.0248.13
5.0.50.0030.0226.61
5.0.40.0050.0246.47
5.0.30.0050.0296.29
5.0.20.0030.0206.26
5.0.10.0060.0176.23
5.0.00.0040.0296.23
4.4.90.0040.0134.78
4.4.80.0040.0134.75
4.4.70.0040.0144.75
4.4.60.0040.0184.75
4.4.50.0030.0204.77
4.4.40.0070.0264.70
4.4.30.0040.0184.76
4.4.20.0040.0254.84
4.4.10.0030.0154.85
4.4.00.0040.0234.76
4.3.110.0030.0154.66
4.3.100.0040.0134.67
4.3.90.0050.0124.63
4.3.80.0030.0294.58
4.3.70.0020.0164.63
4.3.60.0040.0144.63
4.3.50.0020.0164.63
4.3.40.0020.0244.54
4.3.30.0030.0143.29
4.3.20.0020.0213.26
4.3.10.0040.0183.22
4.3.00.0170.01315.89

preferences:
46.47 ms | 401 KiB | 5 Q