3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=array(); $a[-2]=mt_rand(0,1); $a[-1]=mt_rand(0,1); $a[0] =mt_rand(0,1); $a[ 1]=mt_rand(0,1); $obj=(object)$a; echo $obj->{-2}.', '.$obj->{0}.', '.$obj->{1}."\n"; print_r($obj); $b =(array)$obj; echo $b[-2].', '.$b[0].', '.$b[1]."\n"; $obj=unserializable(serializable($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)
7.2.00.0100.00019.46
7.1.70.0030.00617.09
7.1.60.0090.01619.32
7.1.50.0120.01217.07
7.1.00.0070.07322.48
7.0.200.0050.00316.87
7.0.140.0000.08022.18
7.0.60.0130.07720.04
7.0.50.0100.07317.87
7.0.40.0070.05020.15
7.0.30.0400.04020.21
7.0.20.0130.04720.08
7.0.10.0330.07020.08
7.0.00.0130.06020.33
5.6.210.0070.07720.62
5.6.200.0100.08318.18
5.6.190.0100.06320.64
5.6.180.0370.07020.62
5.6.170.0100.04720.45
5.6.160.0100.06020.54
5.6.150.0030.08718.21
5.6.140.0130.07318.11
5.6.130.0170.07718.13
5.6.120.0070.06321.01
5.6.110.0070.04020.98
5.6.100.0030.06721.11
5.6.90.0070.08020.95
5.6.80.0100.06320.38
5.6.70.2730.03720.38
5.5.350.0100.08320.44
5.5.340.0070.08317.95
5.5.330.0130.07020.34
5.5.320.0270.03720.32
5.5.310.0300.03320.26
5.5.300.0000.04717.94
5.5.290.0130.07017.98
5.5.280.0070.07720.79
5.5.270.0070.07720.76
5.5.260.0100.05320.74
5.5.250.0030.05720.79
5.5.240.0200.03020.27
5.4.450.0800.06019.46
5.4.440.0030.06019.47
5.4.430.0900.05019.70
5.4.420.0800.05719.73
5.4.410.0700.05719.34
5.4.400.0170.04719.14
5.4.390.0800.05019.14
5.4.380.0900.05719.28
5.4.370.0700.05319.16
5.4.360.0770.06318.88
5.4.350.0870.06019.26
5.4.340.0040.03712.01
5.4.320.0070.03612.49
5.4.310.0060.03812.48
5.4.300.0050.03812.49
5.4.290.0020.04312.48
5.4.280.0070.03412.39
5.4.270.0080.03412.38
5.4.260.0060.03712.39
5.4.250.0050.04112.38
5.4.240.0070.03412.38
5.4.230.0040.03912.38
5.4.220.0070.03712.38
5.4.210.0050.03612.38
5.4.200.0040.03912.38
5.4.190.0040.03912.38
5.4.180.0050.03812.37
5.4.170.0030.03812.38
5.4.160.0050.03712.38
5.4.150.0050.03612.38
5.4.140.0060.03612.06
5.4.130.0050.03612.05
5.4.120.0090.03212.01
5.4.110.0050.04312.01
5.4.100.0070.03212.00
5.4.90.0040.04112.00
5.4.80.0060.03612.00
5.4.70.0050.03612.00
5.4.60.0030.03712.00
5.4.50.0070.03612.00
5.4.40.0050.03511.99
5.4.30.0060.03611.99
5.4.20.0030.03711.98
5.4.10.0040.03911.99
5.4.00.0080.03411.48
5.3.290.0090.03512.80
5.3.280.0040.03912.71
5.3.270.0060.03812.72
5.3.260.0060.04012.71
5.3.250.0050.04012.72
5.3.240.0060.03612.72
5.3.230.0100.03312.71
5.3.220.0130.02912.68
5.3.210.0130.04712.68
5.3.200.0070.04212.68
5.3.190.0030.04212.68
5.3.180.0060.04612.67
5.3.170.0100.04112.67
5.3.160.0040.04712.68
5.3.150.0050.04212.67
5.3.140.0070.03612.66
5.3.130.0030.04312.66
5.3.120.0060.03912.66
5.3.110.0070.03812.66
5.3.100.0040.04312.12
5.3.90.0070.04512.10
5.3.80.0060.04012.09
5.3.70.0070.03512.09
5.3.60.0060.03512.07
5.3.50.0060.03612.02
5.3.40.0010.04112.02
5.3.30.0070.03411.98
5.3.20.0080.03411.76
5.3.10.0070.03511.72
5.3.00.0060.03711.71
5.2.170.0060.0379.22
5.2.160.0060.0289.22
5.2.150.0060.0299.22
5.2.140.0060.0299.22
5.2.130.0060.0279.18
5.2.120.0090.0359.18
5.2.110.0050.0289.19
5.2.100.0050.0279.19
5.2.90.0000.0339.19
5.2.80.0050.0299.18
5.2.70.0070.0289.18
5.2.60.0050.0339.14
5.2.50.0030.0319.11
5.2.40.0050.0319.08
5.2.30.0050.0369.05
5.2.20.0060.0339.04
5.2.10.0050.0368.95
5.2.00.0050.0378.81
5.1.60.0070.0328.09
5.1.50.0030.0338.09
5.1.40.0040.0238.07
5.1.30.0050.0278.43
5.1.20.0040.0268.45
5.1.10.0030.0278.17
5.1.00.0040.0258.17
5.0.50.0020.0226.65
5.0.40.0040.0196.50
5.0.30.0060.0296.32
5.0.20.0040.0256.29
5.0.10.0030.0226.26
5.0.00.0070.0266.25
4.4.90.0020.0184.78
4.4.80.0030.0154.75
4.4.70.0010.0174.76
4.4.60.0020.0154.75
4.4.50.0030.0144.77
4.4.40.0020.0264.71
4.4.30.0020.0164.75
4.4.20.0050.0134.85
4.4.10.0040.0164.85
4.4.00.0030.0314.76
4.3.110.0020.0194.67
4.3.100.0020.0174.66
4.3.90.0030.0174.63
4.3.80.0010.0314.58
4.3.70.0020.0154.63
4.3.60.0020.0154.63
4.3.50.0040.0144.63
4.3.40.0030.0244.53
4.3.30.0010.0213.28
4.3.20.0030.0153.26
4.3.10.0030.0163.21
4.3.00.0100.0206.93

preferences:
34.66 ms | 401 KiB | 5 Q