3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private $y; public function __construct() { $this->y = 42; } } $a = unserialize('O:1:"A":0:{}'); var_dump($a);

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)
8.4.120.0100.00922.32
8.4.110.0110.00918.11
8.4.100.0150.00517.80
8.4.90.0050.00420.59
8.4.80.0080.01118.80
8.4.70.0090.01119.00
8.4.60.0120.00718.68
8.4.50.0080.00418.40
8.4.40.0030.01617.57
8.4.30.0090.01020.34
8.4.20.0090.01317.70
8.4.10.0100.00022.20
8.3.250.0090.01116.37
8.3.240.0110.00816.73
8.3.230.0130.00616.37
8.3.220.0040.00318.70
8.3.210.0130.00518.22
8.3.200.0070.00216.74
8.3.190.0140.00516.93
8.3.180.0110.00816.52
8.3.170.0150.00317.29
8.3.160.0050.00319.88
8.3.150.0160.00316.48
8.3.140.0040.00417.13
8.3.130.0000.01418.25
8.3.120.0080.00818.86
8.3.110.0070.00320.94
8.3.100.0090.00624.06
8.3.90.0110.00726.77
8.3.80.0030.00616.50
8.3.70.0140.00716.58
8.3.60.0110.00418.18
8.3.50.0050.01123.58
8.3.40.0110.00418.36
8.3.30.0080.00818.59
8.3.20.0060.00324.18
8.3.10.0030.00524.66
8.3.00.0040.00426.16
8.2.290.0120.00716.51
8.2.280.0070.01218.14
8.2.270.0070.01017.17
8.2.260.0090.00618.36
8.2.250.0130.00718.09
8.2.240.0000.00918.93
8.2.230.0070.01022.58
8.2.220.0060.01037.54
8.2.210.0110.00326.77
8.2.200.0090.00016.25
8.2.190.0110.00716.63
8.2.180.0080.00825.92
8.2.170.0040.01118.97
8.2.160.0030.01022.96
8.2.150.0030.00625.66
8.2.140.0030.00524.66
8.2.130.0000.00726.16
8.2.120.0050.00326.35
8.2.110.0070.00320.34
8.2.100.0090.00317.78
8.2.90.0080.00017.72
8.2.80.0000.00818.64
8.2.70.0030.00617.63
8.2.60.0050.00317.93
8.2.50.0040.00418.05
8.2.40.0000.00818.09
8.2.30.0040.00417.92
8.2.20.0030.00617.92
8.2.10.0000.00719.07
8.2.00.0080.00019.08
8.1.330.0110.00816.13
8.1.320.0100.01017.97
8.1.310.0040.00418.03
8.1.300.0040.00419.60
8.1.290.0030.00718.88
8.1.280.0090.00925.92
8.1.270.0080.00024.01
8.1.260.0040.00428.09
8.1.250.0030.00628.09
8.1.240.0070.00323.88
8.1.230.0070.00420.89
8.1.220.0030.00617.74
8.1.210.0050.00318.77
8.1.200.0040.00417.25
8.1.190.0040.00417.10
8.1.180.0080.00018.10
8.1.170.0000.00718.50
8.1.160.0040.00418.80
8.1.150.0040.00418.87
8.1.140.0070.00018.82
8.1.130.0050.00220.13
8.1.120.0070.00017.41
8.1.110.0000.00717.32
8.1.100.0000.00717.40
8.1.90.0000.00717.37
8.1.80.0050.00317.36
8.1.70.0030.00317.27
8.1.60.0040.00417.57
8.1.50.0000.00817.45
8.1.40.0040.00417.47
8.1.30.0000.00817.61
8.1.20.0030.00617.55
8.1.10.0080.00017.38
8.1.00.0000.00717.34
8.0.300.0040.00418.77
8.0.290.0060.00316.63
8.0.280.0000.00818.42
8.0.270.0030.00317.94
8.0.260.0000.00618.33
8.0.250.0000.00716.82
8.0.240.0050.00316.96
8.0.230.0040.00416.97
8.0.220.0060.00016.75
8.0.210.0040.00416.89
8.0.200.0000.00816.83
8.0.190.0000.00716.82
8.0.180.0070.00016.81
8.0.170.0050.00416.89
8.0.160.0000.00816.88
8.0.150.0050.00316.71
8.0.140.0080.00316.84
8.0.130.0030.00313.35
8.0.120.0070.00016.77
8.0.110.0030.00516.91
8.0.100.0040.00416.93
8.0.90.0070.00016.90
8.0.80.0130.00516.82
8.0.70.0000.00816.93
8.0.60.0050.00216.88
8.0.50.0040.00416.80
8.0.30.0090.00917.02
8.0.20.0070.01016.95
8.0.10.0110.00717.11
8.0.00.0120.01017.18
7.4.330.0040.00015.55
7.4.320.0030.00316.52
7.4.300.0000.00716.54
7.4.290.0070.00316.35
7.4.280.0000.01016.27
7.4.270.0000.00716.53
7.4.260.0000.00613.27
7.4.250.0070.00016.45
7.4.240.0020.00516.48
7.4.230.0000.00816.25
7.4.220.0020.00516.52
7.4.210.0040.01116.46
7.4.200.0030.00316.57
7.4.150.0060.01216.40
7.4.140.0090.01216.50
7.4.130.0090.00916.43
7.4.120.0060.01516.24
7.4.110.0090.00916.45
7.4.100.0120.00616.25
7.4.90.0100.01116.44
7.4.80.0100.00716.29
7.4.70.0220.00316.28
7.4.60.0170.00616.38
7.4.50.0160.00816.46
7.4.40.0150.00916.17
7.4.30.0150.00916.22
7.4.20.0090.00916.44
7.4.10.0080.00916.39
7.4.00.0130.00716.50
7.3.330.0000.01016.21
7.3.320.0050.00013.01
7.3.310.0030.00316.09
7.3.300.0030.00316.21
7.3.290.0120.00616.22
7.3.270.0110.00616.21
7.3.260.0040.01516.20
7.3.250.0110.00616.31
7.3.240.0060.01116.41
7.3.230.0060.01116.34
7.3.220.0100.01316.46
7.3.210.0070.01016.38
7.3.200.0060.01216.23
7.3.190.0150.00616.12
7.3.180.0030.01516.36
7.3.170.0100.00616.34
7.3.160.0160.00816.23
7.3.150.0060.01216.22
7.3.140.0090.00916.23
7.3.130.0110.00716.08
7.3.120.0040.01216.20
7.3.110.0090.00916.07
7.3.100.0100.00716.28
7.3.90.0100.00716.45
7.3.80.0100.00716.27
7.3.70.0070.01016.22
7.3.60.0100.00716.16
7.3.50.0060.01116.28
7.3.40.0170.00016.23
7.3.30.0130.00316.30
7.3.20.0030.01418.18
7.3.10.0100.00718.04
7.3.00.0100.00717.95

preferences:
28.65 ms | 403 KiB | 5 Q