3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array("person1" => array(0 => array('k1'=>'v1', 'k2'=>'v2'), 1 => array('k1'=>'v1', 'k2'=>'v2')), "person2" => array(0 => array('k1'=>'v1', 'k2'=>'v2'), 1 => array('k1'=>'v1', 'k2'=>'v2'))); echo reset($array)[0]['k1'];

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)
8.3.60.0080.00618.31
8.3.50.0100.00521.96
8.3.40.0070.00718.97
8.3.30.0120.00319.21
8.3.20.0060.00320.20
8.3.10.0040.00420.66
8.3.00.0060.00319.25
8.2.180.0110.00718.16
8.2.170.0140.00722.96
8.2.160.0100.00320.45
8.2.150.0040.00424.18
8.2.140.0110.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00420.92
8.2.110.0060.00320.41
8.2.100.0060.00618.16
8.2.90.0040.00419.36
8.2.80.0080.00017.97
8.2.70.0090.00017.50
8.2.60.0000.00717.93
8.2.50.0040.00418.07
8.2.40.0050.00318.15
8.2.30.0090.00019.43
8.2.20.0040.00417.62
8.2.10.0000.00718.00
8.2.00.0040.00417.54
8.1.280.0170.00025.92
8.1.270.0040.00423.91
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0060.00323.92
8.1.230.0040.00719.13
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0040.00817.10
8.1.190.0000.00817.22
8.1.180.0000.00718.10
8.1.170.0000.00818.21
8.1.160.0000.00822.05
8.1.150.0040.00418.68
8.1.140.0040.00417.26
8.1.130.0030.00317.82
8.1.120.0030.00317.38
8.1.110.0040.00417.38
8.1.100.0030.00417.40
8.1.90.0070.00417.38
8.1.80.0000.00717.41
8.1.70.0000.00617.22
8.1.60.0040.00417.52
8.1.50.0080.00017.47
8.1.40.0000.00717.46
8.1.30.0000.00817.59
8.1.20.0000.00717.62
8.1.10.0000.00817.56
8.1.00.0000.00817.38
8.0.300.0070.00018.77
8.0.290.0050.00216.63
8.0.280.0000.00718.45
8.0.270.0000.00717.17
8.0.260.0030.00317.13
8.0.250.0070.00016.84
8.0.240.0030.00316.97
8.0.230.0030.00316.91
8.0.220.0060.00316.80
8.0.210.0030.00316.74
8.0.200.0030.00316.93
8.0.190.0030.00316.92
8.0.180.0040.00416.81
8.0.170.0000.00716.86
8.0.160.0000.00716.72
8.0.150.0030.00316.78
8.0.140.0030.00316.77
8.0.130.0030.00313.27
8.0.120.0040.00416.68
8.0.110.0060.00316.72
8.0.100.0000.00716.73
8.0.90.0050.00316.89
8.0.80.0060.00916.79
8.0.70.0040.00416.82
8.0.60.0000.00716.70
8.0.50.0070.00016.70
8.0.30.0120.00817.03
8.0.20.0060.01317.40
8.0.10.0050.00316.89
8.0.00.0060.01116.84
7.4.330.0050.00015.05
7.4.320.0030.00316.54
7.4.300.0060.00016.54
7.4.290.0070.00016.49
7.4.280.0030.00516.45
7.4.270.0030.00316.55
7.4.260.0000.00716.32
7.4.250.0040.00416.49
7.4.240.0000.00716.51
7.4.230.0000.00716.57
7.4.220.0090.00916.61
7.4.210.0140.00016.42
7.4.200.0040.00416.29
7.4.160.0100.01316.33
7.4.150.0110.00717.40
7.4.140.0060.01417.86
7.4.130.0090.00716.37
7.4.120.0060.01016.51
7.4.110.0060.01016.73
7.4.100.0100.00616.32
7.4.90.0060.01216.29
7.4.80.0100.01019.39
7.4.70.0090.00916.64
7.4.60.0120.00616.37
7.4.50.0030.00616.30
7.4.40.0110.00516.31
7.4.30.0000.01616.40
7.4.00.0090.00614.93
7.3.330.0050.00013.13
7.3.320.0030.00313.13
7.3.310.0060.00016.15
7.3.300.0000.00716.16
7.3.290.0150.00316.32
7.3.280.0100.00516.21
7.3.270.0140.00417.40
7.3.260.0090.00916.55
7.3.250.0120.00716.39
7.3.240.0030.01416.30
7.3.230.0130.01016.39
7.3.210.0110.00716.35
7.3.200.0040.01319.39
7.3.190.0070.01016.27
7.3.180.0080.00816.50
7.3.170.0100.01316.37
7.3.160.0060.01016.29
7.3.10.0040.00816.29
7.3.00.0050.00416.54
7.2.330.0100.00716.36
7.2.320.0030.01416.59
7.2.310.0120.00316.72
7.2.300.0060.01016.37
7.2.290.0000.01716.46
7.2.130.0030.01116.87
7.2.120.0030.01016.81
7.2.110.0070.00316.61
7.2.100.0100.00316.84
7.2.90.0030.00716.91
7.2.80.0060.00616.97
7.2.70.0030.00916.98
7.2.60.0040.01116.88
7.2.50.0030.00916.55
7.2.40.0030.00616.67
7.2.30.0030.00716.97
7.2.20.0060.00616.70
7.2.10.0080.00016.84
7.2.00.0090.00718.13
7.1.250.0030.00615.77
7.1.100.0080.00317.95
7.1.70.0070.00717.07
7.1.60.0130.01319.61
7.1.50.0130.01016.82
7.1.00.0030.07722.54
7.0.200.0000.00916.51
7.0.140.0030.07322.10
7.0.60.0100.08319.91
7.0.50.0030.08717.88
7.0.40.0070.06320.04
7.0.30.0330.06720.17
7.0.20.0300.05020.01
7.0.10.0270.07719.99
7.0.00.0030.05320.20
5.6.280.0100.06720.92
5.6.210.0130.08020.72
5.6.200.0070.04018.12
5.6.190.0100.07020.67
5.6.180.0230.08320.43
5.6.170.0170.06020.33
5.6.160.0170.04320.51
5.6.150.0070.06318.17
5.6.140.0070.05018.18
5.6.130.0000.08318.11
5.6.120.0130.07720.89
5.6.110.0170.07721.13
5.6.100.0070.06320.88
5.6.90.0100.08320.97
5.6.80.0100.07720.38
5.6.70.0300.07020.24
5.5.350.0000.03320.44
5.5.340.0070.07717.91
5.5.330.0100.07020.06
5.5.320.0230.08020.29
5.5.310.0330.08320.18
5.5.300.0000.04017.95
5.5.290.0200.05017.96
5.5.280.0030.04320.79
5.5.270.0030.04320.86
5.5.260.0200.06020.84
5.5.250.0130.07320.54
5.5.240.0100.06320.18
5.4.450.0730.04319.39
5.4.440.0230.04019.10
5.4.430.0430.04319.40
5.4.420.0100.04719.56
5.4.410.0230.04319.13
5.4.400.0170.04019.09
5.4.390.0230.05019.06
5.4.380.0400.06018.49
5.4.370.0330.05018.56
5.4.360.0500.04018.72
5.4.350.0270.06018.60
5.4.340.0370.05718.71
5.4.320.0060.03812.45
5.4.310.0040.04112.45
5.4.300.0090.03512.46
5.4.290.0050.04412.45
5.4.280.0090.04212.35
5.4.270.0090.03912.35
5.4.260.0110.04312.35
5.4.250.0080.05112.35
5.4.240.0080.03612.35
5.4.230.0080.03612.34
5.4.220.0090.03412.34
5.4.210.0080.04912.34
5.4.200.0070.04812.34
5.4.190.0060.03912.34
5.4.180.0030.04012.34
5.4.170.0060.03712.35
5.4.160.0070.03712.35
5.4.150.0050.03812.34
5.4.140.0090.03712.03
5.4.130.0070.03612.01
5.4.120.0080.03411.97
5.4.110.0060.03911.97
5.4.100.0080.03611.97
5.4.90.0060.03711.96
5.4.80.0090.03311.96
5.4.70.0040.03711.96
5.4.60.0090.03511.96
5.4.50.0090.03411.96
5.4.40.0100.03011.95
5.4.30.0090.03411.95
5.4.20.0090.03211.95
5.4.10.0080.03411.95
5.4.00.0080.03311.44
5.3.290.0110.05112.80
5.3.280.0070.04612.71
5.3.270.0080.04012.72
5.3.260.0060.04112.72
5.3.250.0090.03512.72
5.3.240.0050.04112.72
5.3.230.0080.03812.71
5.3.220.0080.03712.68
5.3.210.0120.03512.68
5.3.200.0050.03812.68
5.3.190.0060.03812.68
5.3.180.0040.04612.67
5.3.170.0060.03912.67
5.3.160.0040.04012.67
5.3.150.0080.03712.67
5.3.140.0100.04012.66
5.3.130.0110.07112.66
5.3.120.0090.04212.66
5.3.110.0090.03812.66
5.3.100.0100.03612.12
5.3.90.0090.04012.08
5.3.80.0050.03912.07
5.3.70.0070.04312.07
5.3.60.0090.03412.07
5.3.50.0060.03712.00
5.3.40.0110.03912.00
5.3.30.0090.03211.95
5.3.20.0110.03111.73
5.3.10.0080.03411.70
5.3.00.0090.04011.68
5.2.170.0040.0349.18
5.2.160.0080.0659.19
5.2.150.0050.0319.19
5.2.140.0060.0319.18
5.2.130.0040.0309.14
5.2.120.0020.0339.14
5.2.110.0110.0309.15
5.2.100.0070.0279.14
5.2.90.0050.0299.14
5.2.80.0070.0299.14
5.2.70.0050.0309.14
5.2.60.0050.0309.09
5.2.50.0030.0339.06
5.2.40.0040.0299.04
5.2.30.0050.0299.02
5.2.20.0050.0289.00
5.2.10.0030.0308.92
5.2.00.0050.0298.79
5.1.60.0030.0308.07
5.1.50.0070.0248.07
5.1.40.0030.0268.05
5.1.30.0030.0288.40
5.1.20.0070.0268.42
5.1.10.0090.0308.14
5.1.00.0090.0238.15
5.0.50.0030.0306.62
5.0.40.0050.0266.48
5.0.30.0040.0356.30
5.0.20.0060.0246.27
5.0.10.0050.0266.25
5.0.00.0040.0396.23
4.4.90.0040.0214.78
4.4.80.0060.0224.75
4.4.70.0050.0204.75
4.4.60.0060.0194.75
4.4.50.0080.0184.77
4.4.40.0040.0304.71
4.4.30.0040.0214.76
4.4.20.0040.0234.84
4.4.10.0020.0234.85
4.4.00.0030.0324.76
4.3.110.0040.0214.67
4.3.100.0010.0184.66
4.3.90.0020.0164.63
4.3.80.0030.0244.58
4.3.70.0020.0164.63
4.3.60.0030.0154.63
4.3.50.0040.0144.62
4.3.40.0040.0244.54
4.3.30.0010.0223.29
4.3.20.0010.0183.27
4.3.10.0010.0173.23
4.3.00.0000.01313.80

preferences:
38.53 ms | 400 KiB | 5 Q