3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = new ArrayObject(array(),ArrayObject::STD_PROP_LIST); $x->a = 'abc'; echo ($s = $x->serialize()), "\n"; $x->unserialize($s); echo $x->serialize();

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)
8.3.40.0140.00318.80
8.3.30.0030.01019.97
8.3.20.0000.00818.76
8.3.10.0040.00420.89
8.3.00.0040.00723.65
8.2.170.0100.01022.96
8.2.160.0070.00720.38
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0040.00419.89
8.2.110.0070.00320.13
8.2.100.0040.00717.78
8.2.90.0000.00919.27
8.2.80.0000.00819.28
8.2.70.0000.00917.63
8.2.60.0050.00317.93
8.2.50.0040.00418.07
8.2.40.0040.00418.16
8.2.30.0000.00719.45
8.2.20.0040.00417.71
8.2.10.0060.00317.68
8.2.00.0000.00817.67
8.1.270.0080.00023.99
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00322.59
8.1.230.0060.00622.75
8.1.220.0000.00818.77
8.1.210.0040.00418.84
8.1.200.0040.00417.23
8.1.190.0070.00017.48
8.1.180.0000.00718.10
8.1.170.0050.00318.56
8.1.160.0000.00718.89
8.1.150.0050.00318.64
8.1.140.0040.00417.44
8.1.130.0080.00017.88
8.1.120.0000.00717.34
8.1.110.0000.00817.41
8.1.100.0040.00417.29
8.1.90.0030.00517.32
8.1.80.0040.00417.29
8.1.70.0060.00317.29
8.1.60.0000.00917.54
8.1.50.0040.00417.38
8.1.40.0040.00417.41
8.1.30.0000.00817.46
8.1.20.0040.00417.54
8.1.10.0020.00517.62
8.1.00.0060.00317.40
8.0.300.0040.00420.07
8.0.290.0040.00417.18
8.0.280.0030.00318.44
8.0.270.0000.00717.18
8.0.260.0000.00716.82
8.0.250.0000.00717.04
8.0.240.0000.00816.93
8.0.230.0030.00316.94
8.0.220.0030.00316.95
8.0.210.0030.00316.88
8.0.200.0060.00316.94
8.0.190.0000.01016.96
8.0.180.0060.00316.90
8.0.170.0040.00416.85
8.0.160.0000.00816.86
8.0.150.0050.00216.70
8.0.140.0000.00816.75
8.0.130.0000.00613.34
8.0.120.0040.00416.72
8.0.110.0000.00716.78
8.0.100.0070.00016.86
8.0.90.0070.00016.79
8.0.80.0030.01016.78
8.0.70.0040.00416.84
8.0.60.0000.00716.68
8.0.50.0020.00516.86
8.0.30.0140.00717.03
8.0.20.0110.01417.40
8.0.10.0070.00016.91
8.0.00.0030.01416.49
7.4.330.0050.00014.91
7.4.320.0000.00616.46
7.4.300.0000.00716.37
7.4.290.0000.00816.50
7.4.280.0030.00316.33
7.4.270.0030.00316.46
7.4.260.0000.00513.16
7.4.250.0000.00816.51
7.4.240.0040.00416.54
7.4.230.0070.00016.64
7.4.220.0080.01216.49
7.4.210.0070.01016.53
7.4.200.0030.00316.54
7.4.190.0080.00016.63
7.4.160.0100.00716.72
7.4.150.0120.00617.40
7.4.140.0120.00617.86
7.4.130.0090.01116.48
7.4.120.0090.00916.56
7.4.110.0130.00616.41
7.4.100.0110.00716.54
7.4.90.0160.00716.48
7.4.80.0130.00519.39
7.4.70.0140.00416.33
7.4.60.0060.01116.41
7.4.50.0080.00016.34
7.4.40.0030.01022.77
7.4.30.0090.01216.22
7.4.00.0100.00614.87
7.3.330.0040.00313.07
7.3.320.0060.00012.93
7.3.310.0000.00716.17
7.3.300.0030.00316.17
7.3.290.0070.01116.24
7.3.280.0070.01016.20
7.3.270.0160.00817.40
7.3.260.0100.01118.24
7.3.250.0090.00816.39
7.3.240.0150.00016.54
7.3.230.0060.01616.39
7.3.210.0120.00316.36
7.3.200.0030.01519.39
7.3.190.0070.01016.21
7.3.180.0090.00616.32
7.3.170.0000.01916.27
7.3.160.0030.01216.68
7.3.120.0080.00814.88
7.3.110.0090.00915.00
7.3.100.0060.01014.69
7.3.90.0060.00614.88
7.3.80.0070.00714.91
7.3.70.0000.01614.63
7.3.60.0030.00614.67
7.3.50.0130.00314.57
7.3.40.0070.01114.62
7.3.30.0120.00614.86
7.3.20.0120.00316.62
7.3.10.0060.00916.56
7.3.00.0030.01416.59
7.2.330.0120.00616.78
7.2.320.0120.00616.66
7.2.310.0070.01416.54
7.2.300.0130.00316.61
7.2.290.0060.01016.75
7.2.250.0100.00615.13
7.2.240.0090.01215.11
7.2.230.0080.01215.20
7.2.220.0070.00314.95
7.2.210.0070.00715.21
7.2.200.0070.00715.10
7.2.190.0000.01215.12
7.2.180.0040.01115.26
7.2.170.0000.01614.85
7.2.00.0110.00019.15
7.1.330.0070.01015.32
7.1.320.0070.00715.86
7.1.310.0040.00415.64
7.1.300.0090.00315.51
7.1.290.0070.01015.57
7.1.280.0070.01015.76
7.1.270.0070.00715.75
7.1.260.0070.01115.82
7.1.100.0040.01118.00
7.1.70.0030.00317.06
7.1.60.0130.01019.17
7.1.50.0150.00016.86
7.1.00.0000.03722.54
7.0.200.0050.00216.89
7.0.140.0100.06721.96
7.0.70.0030.06320.01
7.0.60.0100.06719.95
7.0.50.0170.07020.35
7.0.40.0130.07720.14
7.0.30.0130.06320.18
7.0.20.0170.06020.00
7.0.10.0200.07720.09
7.0.00.0100.08320.13
5.6.280.0000.08321.09
5.6.220.0230.07020.59
5.6.210.0100.06020.45
5.6.200.0070.05321.04
5.6.190.0130.09721.12
5.6.180.0070.08321.05
5.6.170.0100.08320.95
5.6.160.0070.06021.02
5.6.150.0070.05321.13
5.6.140.0130.07720.99
5.6.130.0170.07321.02
5.6.120.0070.04721.07
5.6.110.0000.09021.03
5.6.100.0100.08321.01
5.6.90.0130.07320.91
5.6.80.0130.04320.52
5.6.70.0130.07320.39
5.6.60.0130.06720.43
5.6.50.0070.06020.44
5.6.40.0030.05720.40
5.6.30.0130.05720.29
5.6.20.0100.07720.46
5.6.10.0100.06720.43
5.6.00.0130.07320.51
5.5.360.0130.08020.38
5.5.350.0030.06720.41
5.5.340.0100.04020.88
5.5.330.0130.08320.64
5.5.320.0170.07320.74
5.5.310.0100.06720.82
5.5.300.0030.07020.82
5.5.290.0070.08020.88
5.5.280.0070.08720.91
5.5.270.0070.08320.63
5.5.260.0030.07020.63
5.5.250.0100.06320.68
5.5.240.0070.08020.21
5.5.230.0070.08020.20
5.5.220.0070.04320.16
5.5.210.0100.07720.15
5.5.200.0000.08320.18
5.5.190.0130.07720.18
5.5.180.0170.05720.22
5.5.160.0100.08020.07
5.5.150.0030.07720.11
5.5.140.0030.04020.23
5.5.130.0030.07319.98
5.5.120.0100.03320.26
5.5.110.0030.04020.21
5.5.100.0000.03320.15
5.5.90.0030.04020.07
5.5.80.0000.04020.04
5.5.70.0100.03719.94
5.5.60.0170.06019.98
5.5.50.0030.04020.14
5.5.40.0100.05720.09
5.5.30.0100.06720.02
5.5.20.0070.03719.95
5.5.10.0030.04020.04
5.5.00.0030.04719.96
5.4.450.0070.08719.58
5.4.440.0100.05719.36
5.4.430.0130.08019.30
5.4.420.0000.09019.38
5.4.410.0030.05319.34
5.4.400.0070.06019.10
5.4.390.0230.06318.90
5.4.380.0200.05018.98
5.4.370.0130.07319.07
5.4.360.0070.05718.83
5.4.350.0070.07019.14
5.4.340.0070.07318.95
5.4.320.0200.07019.10
5.4.310.0000.08019.16
5.4.300.0000.04318.80
5.4.290.0100.03318.83
5.4.280.0100.04018.94
5.4.270.0030.04719.04
5.4.260.0000.05019.18
5.4.250.0030.03718.97
5.4.240.0000.03319.04
5.4.230.0070.03719.04
5.4.220.0100.03318.94
5.4.210.0030.03718.78
5.4.200.0070.06719.05
5.4.190.0030.03719.02
5.4.180.0100.03319.13
5.4.170.0030.04018.77
5.4.160.0070.05019.00
5.4.150.0130.03318.79
5.4.140.0030.04316.35
5.4.130.0100.03016.27
5.4.120.0030.03716.34
5.4.110.0000.04016.44
5.4.100.0000.04016.31
5.4.90.0000.03716.42
5.4.80.0130.02016.19
5.4.70.0070.02716.36
5.4.60.0030.03316.22
5.4.50.0000.03716.42
5.4.40.0000.03316.37
5.4.30.0030.04016.28
5.4.20.0030.03316.18
5.4.10.0000.03716.27
5.4.00.0070.04315.51
5.3.290.0030.07314.58
5.3.280.0030.03714.58
5.3.270.0030.04014.58
5.3.260.0100.06014.47
5.3.250.0000.05314.57
5.3.240.0000.04014.59
5.3.230.0030.04014.46
5.3.220.0030.06314.54
5.3.210.0100.03714.52
5.3.200.0000.04014.43
5.3.190.0100.03014.53
5.3.180.0030.05314.53
5.3.170.0100.03014.53
5.3.160.0000.04014.40
5.3.150.0100.03714.40
5.3.140.0030.06014.39
5.3.130.0070.03314.49
5.3.120.0000.05714.38
5.3.110.0100.03014.38
5.3.100.0000.04713.89
5.3.90.0070.03013.96
5.3.80.0000.04013.96
5.3.70.0000.04013.77
5.3.60.0000.04013.98
5.3.50.0000.03713.80
5.3.40.0070.03713.89
5.3.30.0030.04013.87
5.3.20.0070.03313.55
5.3.10.0070.03013.65
5.3.00.0070.07013.62
5.2.170.0000.03013.32
5.2.160.0030.03013.32
5.2.150.0000.03013.32
5.2.140.0070.02313.32
5.2.130.0000.03012.23
5.2.120.0000.03012.23
5.2.110.0030.05312.23
5.2.100.0200.04712.23
5.2.90.0100.05312.23
5.2.80.0030.06312.23
5.2.70.0100.05312.23
5.2.60.0070.04312.23
5.2.50.0100.05712.23
5.2.40.0070.06312.23
5.2.30.0030.04712.23
5.2.20.0030.04712.23
5.2.10.0070.05712.23
5.2.00.0070.06712.23
5.1.60.0070.05012.23
5.1.50.0030.04712.23
5.1.40.0070.03312.23
5.1.30.0030.05312.23
5.1.20.0030.04312.23
5.1.10.0000.04712.23
5.1.00.0070.05712.23
5.0.50.0030.03012.23
5.0.40.0070.04312.23
5.0.30.0030.05012.23
5.0.20.0000.03712.23
5.0.10.0000.04712.23
5.0.00.0030.04712.23
4.4.90.0030.03312.23
4.4.80.0000.03012.23
4.4.70.0030.03712.23
4.4.60.0070.03312.23
4.4.50.0070.02312.23
4.4.40.0030.05712.23
4.4.30.0000.03012.23
4.4.20.0000.03012.23
4.4.10.0000.02712.23
4.4.00.0030.04312.23
4.3.110.0000.04012.23
4.3.100.0030.03312.23
4.3.90.0000.03012.23
4.3.80.0070.04712.23
4.3.70.0030.03012.23
4.3.60.0000.02312.23
4.3.50.0000.01712.23
4.3.40.0070.04712.23
4.3.30.0030.02012.23
4.3.20.0000.04012.23
4.3.10.0000.03012.23
4.3.00.0030.03312.23

preferences:
40.14 ms | 400 KiB | 5 Q