3v4l.org

run code in 300+ PHP versions simultaneously
<?php class uWU{ var $nxt=array(); function __wakeup(){ $this->nxt=array(); } } $x=unserialize('a:2{i:0;O:3:"uWU":1:{s:3:"nxt";a:1:{i:0;s:1:"x";}}i:1;R:4;}'); $a=str_repeat('a',10); var_dump($x); ?>

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)
8.3.70.0110.00716.38
8.3.60.0090.01218.55
8.3.50.0100.01121.99
8.3.40.0170.00318.70
8.3.30.0130.00318.73
8.3.20.0050.00320.12
8.3.10.0040.00421.73
8.3.00.0030.00620.00
8.2.180.0110.00716.38
8.2.170.0030.01022.96
8.2.160.0190.00419.16
8.2.150.0030.00724.18
8.2.140.0000.00724.66
8.2.130.0050.00326.16
8.2.120.0000.00817.63
8.2.110.0050.00522.20
8.2.100.0040.00717.63
8.2.90.0030.00519.23
8.2.80.0000.00817.97
8.2.70.0000.00817.25
8.2.60.0080.00017.90
8.2.50.0030.00618.07
8.2.40.0040.00419.38
8.2.30.0070.00020.66
8.2.20.0050.00317.60
8.2.10.0040.00417.98
8.2.00.0000.00717.88
8.1.280.0120.00625.92
8.1.270.0000.00823.96
8.1.260.0140.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00322.53
8.1.230.0090.00317.42
8.1.220.0030.00617.74
8.1.210.0030.00618.77
8.1.200.0090.00017.10
8.1.190.0080.00017.13
8.1.180.0070.00018.10
8.1.170.0080.00018.54
8.1.160.0070.00021.95
8.1.150.0040.00418.82
8.1.140.0030.00617.38
8.1.130.0030.00317.63
8.1.120.0000.00717.27
8.1.110.0040.00417.35
8.1.100.0070.00017.31
8.1.90.0040.00417.38
8.1.80.0040.00417.30
8.1.70.0040.00417.38
8.1.60.0000.00817.50
8.1.50.0060.00317.37
8.1.40.0030.00617.34
8.1.30.0030.00617.61
8.1.20.0000.00717.47
8.1.10.0040.00417.46
8.1.00.0030.00617.36
8.0.300.0060.00318.77
8.0.290.0070.00016.75
8.0.280.0030.00318.45
8.0.270.0060.00317.19
8.0.260.0050.00317.18
8.0.250.0030.00316.86
8.0.240.0030.00317.01
8.0.230.0070.00016.96
8.0.220.0000.00916.88
8.0.210.0000.00716.88
8.0.200.0000.00716.94
8.0.190.0040.00416.98
8.0.180.0050.00516.82
8.0.170.0080.00016.96
8.0.160.0000.00716.81
8.0.150.0070.00016.86
8.0.140.0030.00416.74
8.0.130.0000.00713.29
8.0.120.0040.00416.86
8.0.110.0040.00416.75
8.0.100.0030.00616.74
8.0.90.0000.00716.71
8.0.80.0060.01216.82
8.0.70.0050.00316.84
8.0.60.0040.00416.76
8.0.50.0080.00016.78
8.0.30.0100.01817.16
8.0.20.0090.01017.40
8.0.10.0000.00717.13
8.0.00.0110.01016.88
7.4.330.0000.00715.08
7.4.320.0000.00716.56
7.4.300.0050.00316.45
7.4.290.0070.00016.42
7.4.280.0040.00416.28
7.4.270.0080.00016.58
7.4.260.0000.00816.52
7.4.250.0040.00416.43
7.4.240.0030.00316.45
7.4.230.0000.00716.33
7.4.220.0070.01116.46
7.4.210.0040.01116.58
7.4.200.0000.00716.65
7.4.160.0060.00916.41
7.4.150.0120.00617.40
7.4.140.0120.01217.86
7.4.130.0080.00816.47
7.4.120.0050.01316.46
7.4.110.0040.01416.53
7.4.100.0120.00916.47
7.4.90.0030.01416.38
7.4.80.0100.01319.39
7.4.70.0060.01016.45
7.4.60.0160.00316.53
7.4.50.0000.00716.21
7.4.40.0030.01416.33
7.4.30.0090.01016.55
7.4.00.0070.01014.77
7.3.330.0030.00313.03
7.3.320.0030.00313.17
7.3.310.0040.00416.12
7.3.300.0030.00316.11
7.3.290.0040.01116.21
7.3.280.0090.01016.24
7.3.270.0080.01017.40
7.3.260.0080.00916.23
7.3.250.0070.00916.20
7.3.240.0030.01516.22
7.3.230.0070.01016.39
7.3.210.0120.00616.41
7.3.200.0150.00616.31
7.3.190.0140.00416.22
7.3.180.0120.00316.33
7.3.170.0110.00916.27
7.3.160.0060.01516.30
7.2.330.0070.01016.54
7.2.320.0110.00616.64
7.2.310.0100.00716.27
7.2.300.0130.00316.45
7.2.290.0140.00316.44
7.2.00.0220.00318.97
7.1.100.0100.00018.00
7.1.70.0030.00617.21
7.1.60.0000.01819.11
7.1.50.0120.00016.89
7.1.00.0070.07322.43
7.0.200.0030.00516.66
7.0.60.0070.06719.94
7.0.50.0030.07017.89
7.0.40.0030.08320.21
7.0.30.0270.07720.10
7.0.20.0270.07320.21
7.0.10.0170.06020.20
7.0.00.0000.04720.33
5.6.280.0100.06721.01
5.6.210.0100.07720.44
5.6.200.0000.06018.17
5.6.190.0070.04020.63
5.6.180.0200.04720.47
5.6.170.0270.05320.55
5.6.160.0100.08720.72
5.6.150.0070.03718.15
5.6.140.0070.04018.14
5.6.130.0070.04318.18
5.6.120.0100.05321.14
5.6.110.0070.05020.89
5.6.100.0070.08021.01
5.6.90.0130.06020.99
5.6.80.0070.08320.37
5.6.70.0300.01720.43
5.5.350.0330.07720.41
5.5.340.0100.04318.06
5.5.330.0030.05320.42
5.5.320.0000.06020.32
5.5.310.0170.04020.29
5.5.300.0130.06017.95
5.5.290.0070.04017.95
5.5.280.0130.07320.90
5.5.270.0100.06720.80
5.5.260.0100.07320.88
5.5.250.0130.07320.77
5.5.240.0130.06720.27
5.4.450.0000.06719.48
5.4.440.0100.04719.52
5.4.430.0000.07019.31
5.4.420.0030.07019.48
5.4.410.0070.05319.28
5.4.400.0000.07719.32
5.4.390.0130.06718.87
5.4.380.0030.05019.29
5.4.370.0070.06718.85
5.4.360.0030.05719.32
5.4.350.0070.04319.32
5.4.340.0070.05718.98
5.4.320.0030.04319.08
5.4.310.0070.07719.09
5.4.300.0070.07319.15
5.4.290.0070.06318.98
5.4.280.0000.08719.31
5.4.270.0170.05319.19
5.4.260.0030.07018.94
5.4.250.0030.06718.98
5.4.240.0000.08018.88
5.4.230.0000.08318.98
5.4.220.0100.04318.86
5.4.210.0030.05319.12
5.4.200.0070.07319.13
5.4.190.0070.07018.86
5.4.180.0030.07319.08
5.4.170.0070.07319.13
5.4.160.0100.03318.85
5.4.150.0030.07318.94
5.4.140.0030.04316.68
5.4.130.0070.03716.37
5.4.120.0070.04016.30
5.4.110.0070.04316.54
5.4.100.0070.05016.46
5.4.90.0030.06716.26
5.4.80.0000.04716.44

preferences:
49.63 ms | 401 KiB | 5 Q