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 $obj->{-2}.', '.$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"; ?>

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)
8.3.40.0070.00718.82
8.3.30.0040.01119.03
8.3.20.0040.00420.16
8.3.10.0040.00423.48
8.3.00.0060.00319.13
8.2.170.0150.00022.96
8.2.160.0030.01020.43
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0040.00719.28
8.2.110.0090.00019.27
8.2.100.0030.00917.84
8.2.90.0030.00619.20
8.2.80.0030.00517.97
8.2.70.0050.00317.48
8.2.60.0040.00418.03
8.2.50.0060.00618.07
8.2.40.0040.00420.07
8.2.30.0040.00418.14
8.2.20.0030.00617.82
8.2.10.0000.00717.98
8.2.00.0030.00617.77
8.1.270.0090.00022.21
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0080.00022.20
8.1.230.0070.00418.95
8.1.220.0050.00317.74
8.1.210.0030.00618.77
8.1.200.0030.00617.36
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0000.00818.50
8.1.160.0000.00722.07
8.1.150.0040.00418.95
8.1.140.0040.00417.34
8.1.130.0070.00017.76
8.1.120.0030.00417.47
8.1.110.0000.00717.39
8.1.100.0000.00717.52
8.1.90.0000.00717.48
8.1.80.0030.00517.48
8.1.70.0040.00417.45
8.1.60.0000.00817.58
8.1.50.0000.00817.50
8.1.40.0030.00617.53
8.1.30.0050.00317.50
8.1.20.0060.00317.55
8.1.10.0060.00317.58
8.1.00.0080.00017.45
8.0.300.0070.00318.77
8.0.290.0040.00416.63
8.0.280.0000.00818.46
8.0.270.0030.00317.22
8.0.260.0030.00317.27
8.0.250.0000.00717.02
8.0.240.0040.00417.01
8.0.230.0030.00517.02
8.0.220.0000.00717.01
8.0.210.0000.00716.93
8.0.200.0000.00717.03
8.0.190.0000.00717.02
8.0.180.0110.00016.98
8.0.170.0080.00017.05
8.0.160.0000.00716.99
8.0.150.0040.00416.76
8.0.140.0070.00016.89
8.0.130.0070.00013.44
8.0.120.0000.00816.93
8.0.110.0000.00716.93
8.0.100.0020.00517.08
8.0.90.0000.00716.98
8.0.80.0040.01116.92
8.0.70.0040.00416.91
8.0.60.0030.00316.84
8.0.50.0020.00516.86
8.0.30.0130.00617.07
8.0.20.0130.00517.40
8.0.10.0000.00716.89
8.0.00.0130.00516.76
7.4.330.0020.00215.02
7.4.320.0070.00016.53
7.4.300.0000.00616.59
7.4.290.0070.00016.51
7.4.280.0040.00416.46
7.4.270.0060.00016.52
7.4.260.0030.00316.55
7.4.250.0030.00316.43
7.4.240.0010.00616.53
7.4.230.0040.00416.71
7.4.220.0120.00616.54
7.4.210.0090.00616.64
7.4.200.0050.00216.54
7.4.160.0140.00316.47
7.4.150.0110.00817.40
7.4.140.0150.01017.86
7.4.130.0080.01016.46
7.4.120.0120.00616.49
7.4.110.0170.00716.55
7.4.100.0090.00916.66
7.4.90.0040.01416.33
7.4.80.0150.00719.39
7.4.70.0060.01016.50
7.4.60.0060.00916.38
7.4.50.0030.00316.56
7.4.40.0070.01016.38
7.4.30.0100.00716.38
7.4.00.0090.00615.05
7.3.330.0050.00013.29
7.3.320.0000.00513.29
7.3.310.0000.00716.27
7.3.300.0070.00016.35
7.3.290.0060.01116.34
7.3.280.0060.01216.33
7.3.270.0130.00617.40
7.3.260.0100.00716.67
7.3.250.0130.00716.63
7.3.240.0090.00916.60
7.3.230.0100.00716.40
7.3.210.0130.01016.43
7.3.200.0060.01119.39
7.3.190.0030.01316.52
7.3.180.0090.00616.43
7.3.170.0130.01016.54
7.3.160.0030.01216.65
7.3.120.0030.01614.77
7.3.110.0030.01614.95
7.3.100.0100.01014.50
7.3.90.0030.01514.91
7.3.80.0060.00914.64
7.3.70.0080.00614.85
7.3.60.0060.00615.06
7.3.50.0030.01214.56
7.3.40.0070.00314.78
7.3.30.0080.00614.80
7.3.20.0070.00716.71
7.3.10.0030.01016.66
7.3.00.0100.00316.66
7.2.330.0030.01316.57
7.2.320.0120.00616.79
7.2.310.0130.00316.29
7.2.300.0100.00716.62
7.2.290.0120.00916.58
7.2.250.0070.01115.35
7.2.240.0120.00615.32
7.2.230.0030.01215.07
7.2.220.0090.00614.88
7.2.210.0070.00715.35
7.2.200.0000.01415.09
7.2.190.0040.00814.90
7.2.180.0060.00314.98
7.2.170.0060.00614.95
7.2.160.0000.01714.93
7.2.150.0000.01316.91
7.2.140.0040.01116.99
7.2.130.0110.00616.98
7.2.120.0060.00916.71
7.2.110.0110.00317.03
7.2.100.0100.00016.93
7.2.90.0070.00717.02
7.2.80.0090.00617.01
7.2.70.0040.01117.03
7.2.60.0090.00617.03
7.2.50.0060.00916.97
7.2.40.0070.01017.02
7.2.30.0100.00016.82
7.2.20.0030.00616.76
7.2.10.0090.00617.09
7.2.00.0020.01318.02
7.1.330.0080.01115.96
7.1.320.0070.00715.71
7.1.310.0070.00315.93
7.1.300.0060.00615.66
7.1.290.0030.01015.91
7.1.280.0070.00715.89
7.1.270.0080.00415.70
7.1.260.0110.00015.88
7.1.250.0030.01315.86
7.1.240.0030.00915.53
7.1.230.0080.00015.54
7.1.220.0090.00616.00
7.1.210.0060.00815.58
7.1.200.0050.00515.99
7.1.190.0050.00515.78
7.1.180.0040.00415.71
7.1.170.0030.00715.78
7.1.160.0100.00315.99
7.1.150.0040.01115.63
7.1.140.0070.00715.81
7.1.130.0060.00615.82
7.1.120.0070.00715.80
7.1.110.0030.01315.85
7.1.100.0070.00717.04
7.1.90.0090.00615.71
7.1.80.0040.01515.77
7.1.70.0080.00616.52
7.1.60.0080.00817.42
7.1.50.0050.01216.33
7.1.40.0030.01415.83
7.1.30.0090.00615.79
7.1.20.0070.00715.77
7.1.10.0060.00915.67
7.1.00.0040.04419.22
7.0.330.0080.00615.57
7.0.320.0070.00415.61
7.0.310.0030.01015.48
7.0.300.0030.01015.43
7.0.290.0060.00615.53
7.0.280.0080.00415.17
7.0.270.0030.01315.41
7.0.260.0090.00615.55
7.0.250.0100.00615.57
7.0.240.0070.00715.40
7.0.230.0110.00715.33
7.0.220.0030.01015.29
7.0.210.0080.00415.49
7.0.200.0030.00616.14
7.0.190.0000.01515.51
7.0.180.0130.00315.20
7.0.170.0040.00715.46
7.0.160.0030.00615.27
7.0.150.0100.00015.39
7.0.140.0050.04218.74
7.0.130.0100.00015.29
7.0.120.0000.01315.47
7.0.110.0070.00415.53
7.0.100.0040.00715.46
7.0.90.0000.01615.35
7.0.80.0140.00315.54
7.0.70.0070.00315.42
7.0.60.0060.02417.74
7.0.50.0030.04816.78
7.0.40.0120.03216.73
7.0.30.0280.04016.77
7.0.20.0140.02516.68
7.0.10.0070.04716.86
7.0.00.0070.02516.83
5.6.400.0040.00714.75
5.6.390.0090.00314.69
5.6.380.0130.00014.55
5.6.370.0040.00814.28
5.6.360.0030.00914.63
5.6.350.0040.00714.32
5.6.340.0000.01314.30
5.6.330.0110.00414.66
5.6.320.0000.01514.12
5.6.310.0090.00014.46
5.6.300.0080.00414.28
5.6.290.0100.00014.34
5.6.280.0090.03817.78
5.6.270.0000.01314.36
5.6.260.0110.00014.39
5.6.250.0070.00714.56
5.6.240.0030.01314.59
5.6.230.0030.01214.51
5.6.220.0070.00714.38
5.6.210.0070.04417.45
5.6.200.0120.04416.49
5.6.190.0030.03517.48
5.6.180.0120.03217.56
5.6.170.0100.02917.56
5.6.160.0060.04517.55
5.6.150.0080.03316.17
5.6.140.0100.04016.29
5.6.130.0060.02216.34
5.6.120.0100.02517.68
5.6.110.0050.04417.51
5.6.100.0080.03817.73
5.6.90.0020.03917.52
5.6.80.0070.03617.46
5.6.70.2250.02317.48
5.6.60.0040.01114.49
5.6.50.0070.01114.30
5.6.40.0080.00314.26
5.6.30.0090.00613.98
5.6.20.0080.00314.36
5.6.10.0040.01114.29
5.6.00.0060.01214.32
5.5.380.0040.01114.32
5.5.370.0030.01014.60
5.5.360.0000.01414.27
5.5.350.0220.04017.52
5.5.340.0070.02816.28
5.5.330.0080.04517.42
5.5.320.0100.02517.54
5.5.310.0190.04017.41
5.5.300.0020.02516.16
5.5.290.0070.03916.31
5.5.280.0100.02817.65
5.5.270.0030.03217.62
5.5.260.0080.04717.51
5.5.250.0100.04317.48
5.5.240.2090.02317.16
5.5.230.0040.00714.29
5.5.220.0060.00914.40
5.5.210.0040.01514.38
5.5.200.0040.00414.29
5.5.190.0040.01114.34
5.5.180.0000.00914.40
5.5.170.0060.01314.48
5.5.160.0070.01014.19
5.5.150.0030.00714.52
5.5.140.0060.00614.56
5.5.130.0100.00314.50
5.5.120.0080.00314.47
5.5.110.0030.00914.28
5.5.100.0030.01014.19
5.5.90.0120.00314.52
5.5.80.0030.01014.39
5.5.70.0070.01114.23
5.5.60.0060.00814.26
5.5.50.0040.00714.45
5.5.40.0110.00413.92
5.5.30.0000.01114.36
5.5.20.0110.00414.45
5.5.10.0090.00314.27
5.5.00.0070.00314.32
5.4.450.0420.03216.06
5.4.440.0460.03316.13
5.4.430.0380.03316.09
5.4.420.0380.03316.09
5.4.410.0370.03015.84
5.4.400.0350.03015.93
5.4.390.0230.03615.97
5.4.380.0410.02515.81
5.4.370.0350.03015.82
5.4.360.0500.05015.96
5.4.350.0110.02615.93
5.4.340.0070.01912.34
5.4.330.0100.00612.71
5.4.320.0030.02212.59
5.4.310.0060.02112.59
5.4.300.0080.02012.59
5.4.290.0070.02112.58
5.4.280.0050.02012.53
5.4.270.0040.02012.53
5.4.260.0080.02212.53
5.4.250.0070.02312.53
5.4.240.0050.02012.53
5.4.230.0060.02012.53
5.4.220.0040.02412.53
5.4.210.0050.01912.53
5.4.200.0050.02212.53
5.4.190.0030.02412.53
5.4.180.0070.02112.53
5.4.170.0060.02112.53
5.4.160.0030.02212.53
5.4.150.0070.02012.53
5.4.140.0040.02112.37
5.4.130.0090.01612.36
5.4.120.0020.02612.34
5.4.110.0060.02012.34
5.4.100.0030.02412.34
5.4.90.0050.03012.34
5.4.80.0060.02712.34
5.4.70.0040.02612.34
5.4.60.0080.03012.34
5.4.50.0070.02512.34
5.4.40.0070.02412.33
5.4.30.0070.02612.33
5.4.20.0070.02312.33
5.4.10.0050.02312.33
5.4.00.0060.01912.08
5.3.290.0060.04212.80
5.3.280.0040.03812.71
5.3.270.0060.03912.72
5.3.260.0070.03612.72
5.3.250.0020.04112.72
5.3.240.0070.04012.72
5.3.230.0050.04012.71
5.3.220.0050.03812.68
5.3.210.0070.04312.68
5.3.200.0060.03612.68
5.3.190.0050.03812.67
5.3.180.0060.04612.68
5.3.170.0060.03612.67
5.3.160.0080.03312.67
5.3.150.0040.03812.67
5.3.140.0040.03812.66
5.3.130.0040.04112.66
5.3.120.0050.03912.66
5.3.110.0060.03812.66
5.3.100.0060.03612.12
5.3.90.0050.03612.08
5.3.80.0090.03412.07
5.3.70.0070.03512.08
5.3.60.0090.03312.06
5.3.50.0040.03712.00
5.3.40.0070.03412.00
5.3.30.0050.03511.95
5.3.20.0050.03511.73
5.3.10.0040.03611.70
5.3.00.0100.03111.68
5.2.170.0030.0329.19
5.2.160.0060.0279.18
5.2.150.0060.0359.18
5.2.140.0060.0289.18
5.2.130.0020.0329.14
5.2.120.0060.0279.14
5.2.110.0050.0289.15
5.2.100.0060.0269.15
5.2.90.0040.0289.14
5.2.80.0020.0329.14
5.2.70.0020.0329.14
5.2.60.0020.0329.09
5.2.50.0030.0329.07
5.2.40.0060.0279.04
5.2.30.0060.0289.02
5.2.20.0020.0319.01
5.2.10.0040.0288.94
5.2.00.0070.0338.80
5.1.60.0060.0308.09
5.1.50.0030.0278.09
5.1.40.0040.0248.07
5.1.30.0060.0248.41
5.1.20.0040.0278.43
5.1.10.0050.0258.16
5.1.00.0010.0288.16
5.0.50.0040.0216.65
5.0.40.0050.0216.50
5.0.30.0040.0316.32
5.0.20.0050.0186.29
5.0.10.0040.0196.27
5.0.00.0020.0326.25
4.4.90.0020.0164.78
4.4.80.0030.0144.75
4.4.70.0010.0174.76
4.4.60.0030.0154.75
4.4.50.0040.0154.77
4.4.40.0050.0324.71
4.4.30.0030.0214.76
4.4.20.0040.0154.84
4.4.10.0080.0164.85
4.4.00.0030.0244.76
4.3.110.0020.0184.67
4.3.100.0030.0154.66
4.3.90.0040.0184.63
4.3.80.0010.0274.59
4.3.70.0010.0184.63
4.3.60.0030.0174.63
4.3.50.0040.0154.63
4.3.40.0040.0244.54
4.3.30.0030.0213.28
4.3.20.0020.0173.26
4.3.10.0030.0163.21
4.3.00.0130.0236.93

preferences:
55.02 ms | 400 KiB | 5 Q