3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=array(); $a[-2]='a'; $a[-1]='b'; $a[0] ='c'; $a[ 1]='d'; $obj=(object)$a; // echo gettype($obj).": \n"; // echo $obj->{-2}.', '.$obj->{0}.', '.$obj->{1}."\n"; // echo $obj->{'-2'}.', '.$obj->{'0'}.', '.$obj->{'1'}."\n"; $b =(array)$obj; echo $b[-2].', '.$b[0].', '.$b[1]."\n"; $obj=unserialize(serialize($obj)); echo $obj->{-2}.', '.$obj->{0}.', '.$obj->{1}."\n"; $obj=unserialize(serialize((object)$a)); echo $obj->{-2}.', '.$obj->{0}.', '.$obj->{1}."\n"; ?>

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)
8.3.60.0070.00718.30
8.3.50.0130.00621.14
8.3.40.0070.00718.98
8.3.30.0070.00719.08
8.3.20.0060.00320.34
8.3.10.0030.00623.71
8.3.00.0080.00019.13
8.2.180.0000.01416.38
8.2.170.0070.00722.96
8.2.160.0030.01020.47
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0070.00026.16
8.2.120.0050.00521.04
8.2.110.0000.00922.07
8.2.100.0040.00817.66
8.2.90.0080.00017.75
8.2.80.0060.00317.97
8.2.70.0000.01017.93
8.2.60.0000.00918.05
8.2.50.0040.00418.10
8.2.40.0000.00820.72
8.2.30.0040.00418.18
8.2.20.0000.00817.67
8.2.10.0040.00418.12
8.2.00.0000.00817.68
8.1.280.0100.00325.92
8.1.270.0080.00023.99
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00623.96
8.1.230.0040.00719.07
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0070.00317.35
8.1.190.0000.00917.13
8.1.180.0080.00018.10
8.1.170.0060.00318.51
8.1.160.0000.00721.95
8.1.150.0000.00718.93
8.1.140.0040.00417.31
8.1.130.0000.00817.70
8.1.120.0040.00417.47
8.1.110.0000.00717.46
8.1.100.0030.00617.50
8.1.90.0040.00417.46
8.1.80.0040.00417.49
8.1.70.0000.00717.44
8.1.60.0080.00017.53
8.1.50.0040.00417.54
8.1.40.0060.00317.58
8.1.30.0000.00817.61
8.1.20.0040.00417.69
8.1.10.0000.00817.54
8.1.00.0040.00417.39
8.0.300.0040.00419.66
8.0.290.0000.00916.63
8.0.280.0000.00718.36
8.0.270.0030.00317.15
8.0.260.0030.00317.29
8.0.250.0000.00716.98
8.0.240.0000.00717.02
8.0.230.0030.00316.92
8.0.220.0080.00016.80
8.0.210.0040.00416.98
8.0.200.0070.00017.05
8.0.190.0050.00317.00
8.0.180.0040.00816.96
8.0.170.0030.00616.93
8.0.160.0000.00716.90
8.0.150.0030.00317.02
8.0.140.0000.00816.79
8.0.130.0000.00613.34
8.0.120.0000.00716.89
8.0.110.0050.00216.90
8.0.100.0020.00516.75
8.0.90.0070.00016.78
8.0.80.0090.00916.89
8.0.70.0040.00416.95
8.0.60.0000.00716.91
8.0.50.0000.00716.73
8.0.30.0050.01817.16
8.0.20.0120.01017.42
8.0.10.0040.00416.97
8.0.00.0030.01416.76
7.4.330.0000.00615.10
7.4.320.0000.00816.51
7.4.300.0070.00016.54
7.4.290.0050.00216.58
7.4.280.0060.00316.57
7.4.270.0030.00316.37
7.4.260.0000.00716.57
7.4.250.0000.00716.36
7.4.240.0020.00516.54
7.4.230.0070.00016.41
7.4.220.0080.00916.57
7.4.210.0120.00316.64
7.4.200.0000.00716.61
7.4.160.0080.00816.36
7.4.150.0090.00917.40
7.4.140.0110.00817.86
7.4.130.0070.01216.54
7.4.120.0080.00816.44
7.4.110.0130.01016.36
7.4.100.0060.01116.61
7.4.90.0070.01016.50
7.4.80.0060.01119.39
7.4.70.0100.00716.46
7.4.60.0160.00016.66
7.4.50.0040.00416.53
7.4.40.0090.00616.46
7.4.30.0120.00416.57
7.4.00.0060.01014.89
7.3.330.0020.00213.18
7.3.320.0050.00013.18
7.3.310.0040.00416.29
7.3.300.0000.00716.17
7.3.290.0090.00516.37
7.3.280.0100.00616.31
7.3.270.0140.01117.40
7.3.260.0110.00616.39
7.3.250.0080.00816.36
7.3.240.0090.00916.37
7.3.230.0120.00916.39
7.3.210.0090.01216.41
7.3.200.0110.00519.39
7.3.190.0110.00716.59
7.3.180.0130.00716.48
7.3.170.0070.01316.37
7.3.160.0090.01516.51
7.3.10.0100.00716.46
7.3.00.0030.00616.66
7.2.330.0120.01216.79
7.2.320.0040.01416.84
7.2.310.0090.00916.67
7.2.300.0110.00716.38
7.2.290.0150.00716.49
7.2.130.0070.00717.01
7.2.120.0060.00616.77
7.2.110.0110.00416.75
7.2.100.0070.00716.83
7.2.90.0060.00917.12
7.2.80.0070.01017.05
7.2.70.0030.01316.88
7.2.60.0020.01016.65
7.2.50.0070.01016.66
7.2.40.0130.00316.96
7.2.30.0120.01217.13
7.2.20.0030.01217.09
7.2.10.0060.00916.84
7.2.00.0060.00918.25
7.1.250.0070.01015.76
7.1.200.0000.01315.91
7.1.100.0000.01618.01
7.1.70.0000.00717.26
7.1.60.0120.01219.32
7.1.50.0190.00616.70
7.1.00.0030.07722.36
7.0.200.0060.00316.52
7.0.140.0000.07721.98
7.0.60.0030.06319.94
7.0.50.0100.03317.93
7.0.40.0070.09020.24
7.0.30.0200.04720.29
7.0.20.0130.04320.09
7.0.10.0170.07720.21
7.0.00.0070.04019.99
5.6.280.0000.07721.02
5.6.210.0130.08020.64
5.6.200.0030.05718.21
5.6.190.0100.08320.29
5.6.180.0130.08320.47
5.6.170.0170.04020.51
5.6.160.0070.06720.49
5.6.150.0170.06718.18
5.6.140.0170.07018.11
5.6.130.0100.05718.09
5.6.120.0070.08321.00
5.6.110.0130.07320.98
5.6.100.0100.08321.11
5.6.90.0100.07321.00
5.6.80.0000.05720.40
5.6.70.1830.05320.27
5.5.350.0200.03320.45
5.5.340.0030.04017.92
5.5.330.0100.07020.21
5.5.320.0200.04020.30
5.5.310.0330.07020.50
5.5.300.0030.04018.04
5.5.290.0000.08317.95
5.5.280.0130.07720.84
5.5.270.0130.06320.95
5.5.260.0130.07720.95
5.5.250.0070.07320.57
5.5.240.4100.03320.04
5.4.450.0870.05719.58
5.4.440.0970.05019.62
5.4.430.0770.06319.10
5.4.420.0770.05319.09
5.4.410.0730.04719.11
5.4.400.0170.05319.30
5.4.390.0770.05718.95
5.4.380.0630.06019.21
5.4.370.0100.06319.14
5.4.360.0730.05719.19
5.4.350.1030.07319.22
5.4.340.0070.03811.98
5.4.320.0050.03812.47
5.4.310.0050.04012.46
5.4.300.0050.03612.46
5.4.290.0110.03912.46
5.4.280.0050.03612.36
5.4.270.0030.03912.36
5.4.260.0040.03912.36
5.4.250.0040.04012.36
5.4.240.0030.04812.36
5.4.230.0100.04712.36
5.4.220.0040.04212.35
5.4.210.0080.04712.36
5.4.200.0050.05212.35
5.4.190.0070.04412.35
5.4.180.0060.04212.35
5.4.170.0070.03712.36
5.4.160.0040.03812.36
5.4.150.0060.04112.35
5.4.140.0060.05312.04
5.4.130.0100.03512.02
5.4.120.0040.03811.98
5.4.110.0080.03411.98
5.4.100.0040.03711.98
5.4.90.0080.04011.97
5.4.80.0060.03711.97
5.4.70.0050.04211.97
5.4.60.0040.03811.97
5.4.50.0030.03811.97
5.4.40.0060.03511.96
5.4.30.0050.04011.95
5.4.20.0050.03611.95
5.4.10.0050.03411.96
5.4.00.0050.03611.45
5.3.290.0090.03912.80
5.3.280.0040.04112.70
5.3.270.0050.04012.72
5.3.260.0040.04212.72
5.3.250.0060.04112.72
5.3.240.0070.03812.72
5.3.230.0070.04612.71
5.3.220.0110.04212.68
5.3.210.0030.04312.68
5.3.200.0040.03912.68
5.3.190.0050.04212.68
5.3.180.0090.03612.67
5.3.170.0110.04412.67
5.3.160.0050.05312.67
5.3.150.0100.05212.67
5.3.140.0110.03812.66
5.3.130.0100.04412.66
5.3.120.0060.04412.66
5.3.110.0090.03912.66
5.3.100.0040.04012.12
5.3.90.0080.04012.08
5.3.80.0060.03912.08
5.3.70.0100.04512.08
5.3.60.0090.04012.06
5.3.50.0050.05312.00
5.3.40.0050.03812.00
5.3.30.0040.03811.96
5.3.20.0080.03511.73
5.3.10.0050.03811.70
5.3.00.0050.03811.68
5.2.170.0040.0339.19
5.2.160.0030.0319.19
5.2.150.0030.0329.19
5.2.140.0060.0309.19
5.2.130.0080.0369.14
5.2.120.0100.0319.14
5.2.110.0220.0839.16
5.2.100.0080.0609.15
5.2.90.0020.0369.15
5.2.80.0060.0309.14
5.2.70.0060.0309.14
5.2.60.0070.0379.09
5.2.50.0060.0349.07
5.2.40.0040.0339.04
5.2.30.0060.0329.02
5.2.20.0090.0519.01
5.2.10.0060.0338.95
5.2.00.0090.0278.80
5.1.60.0070.0258.09
5.1.50.0040.0288.08
5.1.40.0100.0288.06
5.1.30.0060.0358.41
5.1.20.0070.0348.44
5.1.10.0020.0308.16
5.1.00.0030.0268.16
5.0.50.0020.0226.65
5.0.40.0070.0196.50
5.0.30.0050.0336.32
5.0.20.0040.0196.29
5.0.10.0060.0206.27
5.0.00.0080.0356.26
4.4.90.0020.0184.78
4.4.80.0020.0184.76
4.4.70.0040.0174.75
4.4.60.0030.0184.75
4.4.50.0020.0184.77
4.4.40.0030.0284.71
4.4.30.0000.0214.76
4.4.20.0030.0194.84
4.4.10.0010.0234.85
4.4.00.0030.0244.76
4.3.110.0030.0174.67
4.3.100.0020.0154.67
4.3.90.0040.0154.63
4.3.80.0100.0244.58
4.3.70.0060.0254.63
4.3.60.0060.0154.63
4.3.50.0010.0174.63
4.3.40.0030.0264.53
4.3.30.0010.0183.29
4.3.20.0080.0263.27
4.3.10.0050.0143.22
4.3.00.0200.0236.93

preferences:
57.13 ms | 401 KiB | 5 Q