3v4l.org

run code in 300+ PHP versions simultaneously
<?php class SomeCollection extends ArrayObject {} $meh = unserialize('O:14:"SomeCollection":1:{i:0;s:4:"item";}'); var_dump('yay', $meh[0]); $meh = unserialize('C:14:"SomeCollection":36:{x:i:0;a:1:{i:0;s:4:"item";};m:a:0:{}}'); var_dump('yay', $meh[0]);

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)
8.3.60.0090.00616.75
8.3.50.0130.00817.42
8.3.40.0070.00718.79
8.3.30.0080.00618.79
8.3.20.0050.00318.85
8.3.10.0080.00018.73
8.3.00.0050.00519.38
8.2.180.0110.00418.17
8.2.170.0090.00622.96
8.2.160.0140.00020.38
8.2.150.0000.00824.18
8.2.140.0070.00424.66
8.2.130.0070.00026.16
8.2.120.0080.00020.63
8.2.110.0030.00720.96
8.2.100.0120.00017.59
8.2.90.0070.00418.98
8.2.80.0040.00419.25
8.2.70.0000.00817.38
8.2.60.0030.00618.04
8.2.50.0000.00818.07
8.2.40.0000.00818.03
8.2.30.0030.00918.00
8.2.20.0060.00317.66
8.2.10.0040.00417.57
8.2.00.0050.00217.62
8.1.280.0060.01525.92
8.1.270.0080.00024.66
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00322.46
8.1.230.0030.00820.85
8.1.220.0030.00617.74
8.1.210.0110.00318.77
8.1.200.0030.00617.13
8.1.190.0040.00417.51
8.1.180.0030.00618.10
8.1.170.0040.00418.67
8.1.160.0040.00418.70
8.1.150.0000.00718.44
8.1.140.0040.00417.34
8.1.130.0000.00717.79
8.1.120.0000.00817.36
8.1.110.0050.00317.23
8.1.100.0000.00817.27
8.1.90.0000.00817.39
8.1.80.0000.00717.37
8.1.70.0030.00317.25
8.1.60.0070.00017.46
8.1.50.0050.00317.48
8.1.40.0050.00317.53
8.1.30.0040.00417.62
8.1.20.0070.00017.59
8.1.10.0030.00517.53
8.1.00.0000.00717.40
8.0.300.0000.00719.94
8.0.290.0000.00716.63
8.0.280.0000.00718.46
8.0.270.0040.00417.06
8.0.260.0030.00316.83
8.0.250.0080.00016.95
8.0.240.0030.00516.87
8.0.230.0030.00316.98
8.0.220.0070.00016.91
8.0.210.0030.00516.95
8.0.200.0030.00316.88
8.0.190.0070.00016.91
8.0.180.0030.00716.92
8.0.170.0080.00016.79
8.0.160.0000.00716.80
8.0.150.0000.00816.91
8.0.140.0030.00716.87
8.0.130.0030.00313.40
8.0.120.0030.00616.86
8.0.110.0000.00716.94
8.0.100.0040.00416.96
8.0.90.0040.00416.91
8.0.80.0120.00316.85
8.0.70.0000.00716.88
8.0.60.0070.00016.79
8.0.50.0050.00316.91
8.0.30.0150.00417.01
8.0.20.0130.01117.16
8.0.10.0000.00717.02
8.0.00.0110.00916.81
7.4.330.0050.00012.81
7.4.320.0030.00316.45
7.4.300.0030.00316.39
7.4.290.0050.00316.51
7.4.280.0050.00316.36
7.4.270.0000.00716.45
7.4.260.0000.00613.13
7.4.250.0040.00416.44
7.4.240.0040.00316.55
7.4.230.0000.00716.56
7.4.220.0060.01316.52
7.4.210.0070.00916.46
7.4.200.0040.00416.66
7.4.190.0070.00016.55
7.4.160.0100.00716.43
7.4.150.0090.00916.66
7.4.140.0090.01116.35
7.4.130.0140.00316.42
7.4.120.0090.01016.40
7.4.110.0030.01316.37
7.4.100.0140.00716.65
7.4.90.0140.00316.59
7.4.80.0060.01219.39
7.4.70.0060.01016.57
7.4.60.0030.01316.33
7.4.50.0090.00316.60
7.4.40.0060.00916.42
7.4.30.0090.00816.52
7.4.00.0000.01114.91
7.3.330.0000.00613.34
7.3.320.0000.00513.34
7.3.310.0000.00716.42
7.3.300.0040.00416.25
7.3.290.0060.00916.28
7.3.280.0080.00916.27
7.3.270.0090.00916.50
7.3.260.0090.00916.29
7.3.250.0130.00616.54
7.3.240.0190.00016.54
7.3.230.0120.00616.37
7.3.210.0100.01016.45
7.3.200.0090.01316.32
7.3.190.0070.01016.28
7.3.180.0090.00616.25
7.3.170.0100.00616.65
7.3.160.0110.00516.22
7.3.120.0040.01114.73
7.2.330.0110.01116.28
7.2.320.0060.01216.34
7.2.310.0160.00316.46
7.2.300.0110.00816.63
7.2.290.0150.00516.65
7.1.70.0000.00717.16
7.1.60.0090.01519.40
7.1.50.0040.00716.96
7.1.00.0070.06322.32
7.0.200.0210.00314.88
7.0.140.0070.07021.97
7.0.120.0030.05721.95
7.0.60.0030.09320.03
7.0.50.0030.04317.88
7.0.40.0030.08317.84
7.0.30.0030.04317.75
7.0.20.0130.07717.85
7.0.10.0070.08317.83
7.0.00.0070.08017.84
5.6.280.0030.07321.11
5.6.210.0030.05720.73
5.6.200.0100.08318.23
5.6.190.0100.08018.16
5.6.180.0030.04718.23
5.6.170.0000.04318.14
5.6.160.0100.07718.14
5.6.150.0100.07318.25
5.6.140.0130.08018.16
5.6.130.0300.06318.14
5.6.120.0000.05718.15
5.6.110.0070.08018.18
5.6.100.0030.06318.16
5.6.90.0130.04018.17
5.6.80.0070.08017.64
5.6.70.0030.06017.54
5.6.60.0070.05717.52
5.6.50.0170.04017.63
5.6.40.0070.04017.54
5.6.30.0100.07317.55
5.6.20.0100.07317.63
5.6.10.0070.07017.61
5.6.00.0030.08317.50
5.5.350.0270.07720.42
5.5.340.0070.07717.96
5.5.330.0030.09018.04
5.5.320.0070.04018.07
5.5.310.0070.08317.98
5.5.300.0070.06317.98
5.5.290.0030.05017.98
5.5.280.0070.08318.04
5.5.270.0130.07717.97
5.5.260.0170.07717.91
5.5.250.0070.03717.80
5.5.240.0130.07317.37
5.5.230.0100.05017.33
5.5.220.0230.06717.47
5.5.210.0100.07317.36
5.5.200.0070.04317.39
5.5.190.0030.08017.44
5.5.180.0100.07317.34
5.5.160.0130.04717.34
5.5.150.0030.05017.36
5.5.140.0000.05717.39
5.5.130.0100.06017.30
5.5.120.0070.08017.30
5.5.110.0130.05017.27
5.5.100.0170.07017.27
5.5.90.0030.03717.24
5.5.80.0100.07017.20
5.5.70.0130.06717.22
5.5.60.0000.05317.16
5.5.50.0030.04717.21
5.5.40.0000.06017.16
5.5.30.0030.06017.29
5.5.20.0070.07017.25
5.5.10.0000.05017.20
5.5.00.0070.03717.31
5.4.450.0070.04319.46
5.4.440.0070.08319.39
5.4.430.0130.07019.35
5.4.420.0100.08019.45
5.4.410.0030.04019.26
5.4.400.0030.04319.05
5.4.390.0000.05319.03
5.4.380.0070.07019.13
5.4.370.0070.07318.95
5.4.360.0070.07018.95
5.4.350.0070.07319.05
5.4.340.0030.04719.32
5.4.320.0030.05018.98
5.4.310.0070.07719.12
5.4.300.0070.07719.27
5.4.290.0070.07319.02
5.4.280.0030.08719.03
5.4.270.0100.06719.00
5.4.260.0130.07018.99
5.4.250.0100.03719.03
5.4.240.0100.07019.02
5.4.230.0100.04018.88
5.4.220.0030.05719.12
5.4.210.0100.05319.12
5.4.200.0030.08019.01
5.4.190.0100.06319.04
5.4.180.0030.06719.25
5.4.170.0130.06319.04
5.4.160.0100.04319.00
5.4.150.0130.07718.93
5.4.140.0070.07016.40
5.4.130.0070.08016.35
5.4.120.0000.05316.37
5.4.110.0170.06716.31
5.4.100.0100.06016.41
5.4.90.0070.07016.43
5.4.80.0130.06316.41
5.4.70.0070.07016.41
5.4.60.0030.06016.22
5.4.50.0070.07716.42
5.4.40.0100.05716.43
5.4.30.0130.06716.35
5.4.20.0070.07316.38
5.4.10.0030.04016.27
5.4.00.0070.03715.73
5.3.290.0030.04014.68
5.3.280.0030.08014.64
5.3.270.0030.08014.65
5.3.260.0100.03314.63
5.3.250.0100.06314.56
5.3.240.0100.07714.63
5.3.230.0200.06714.66
5.3.220.0130.07014.62
5.3.210.0170.06714.61
5.3.200.0130.05314.61
5.3.190.0170.07014.53
5.3.180.0100.05714.56
5.3.170.0100.04314.67
5.3.160.0030.04714.58
5.3.150.0000.05014.55
5.3.140.0070.05314.66
5.3.130.0100.07714.59
5.3.120.0130.05014.40
5.3.110.0030.05314.56
5.3.100.0100.06014.06
5.3.90.0070.08013.87
5.3.80.0030.05014.11
5.3.70.0030.04014.06
5.3.60.0100.07314.03
5.3.50.0070.06713.95
5.3.40.0070.07014.02
5.3.30.0130.05314.01
5.3.20.0030.07713.70
5.3.10.0070.07013.68
5.3.00.0130.04713.70
5.2.170.0030.04311.05
5.2.160.0100.02311.18
5.2.150.0030.06711.16
5.2.140.0000.06711.04
5.2.130.0070.06011.15
5.2.120.0130.03311.14
5.2.110.0100.02711.12
5.2.100.0030.03311.10
5.2.90.0070.05711.00
5.2.80.0070.05710.94
5.2.70.0030.05311.13
5.2.60.0130.04711.02
5.2.50.0000.05011.10
5.2.40.0030.03711.04
5.2.30.0070.06010.94
5.2.20.0030.04010.99
5.2.10.0070.04710.90
5.2.00.0030.06310.57
5.1.60.0070.05010.21
5.1.50.0030.0579.99
5.1.40.0200.0279.96
5.1.30.0030.04710.36
5.1.20.0030.03010.20
5.1.10.0100.03710.15
5.1.00.0030.05710.15
5.0.50.0070.0279.01
5.0.40.0070.0279.01
5.0.30.0030.0609.01
5.0.20.0030.0409.01
5.0.10.0000.0339.01
5.0.00.0000.0409.01
4.4.90.0000.0279.01
4.4.80.0100.0279.01
4.4.70.0100.0309.01
4.4.60.0000.0279.01
4.4.50.0000.0339.01
4.4.40.0000.0539.01
4.4.30.0030.0309.01
4.4.20.0070.0109.01
4.4.10.0030.0339.01
4.4.00.0030.0279.01
4.3.110.0000.0309.01
4.3.100.0000.0309.01
4.3.90.0000.0379.01
4.3.80.0030.0239.01
4.3.70.0030.0279.01
4.3.60.0070.0179.01
4.3.50.0100.0309.01
4.3.40.0030.0379.01
4.3.30.0000.0309.01
4.3.20.0000.0209.01
4.3.10.0000.0209.01
4.3.00.0070.0309.01

preferences:
61.66 ms | 401 KiB | 5 Q