3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = unserialize('O:8:"stdClass":0:{}"'); var_dump($obj);

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)
8.3.60.0100.01016.63
8.3.50.0120.00721.79
8.3.40.0040.01118.61
8.3.30.0090.00618.79
8.3.20.0080.00020.21
8.3.10.0040.00423.48
8.3.00.0040.00418.93
8.2.180.0130.00916.63
8.2.170.0100.00322.96
8.2.160.0100.00320.52
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00820.90
8.2.110.0000.00922.05
8.2.100.0040.00717.59
8.2.90.0030.00519.10
8.2.80.0050.00317.97
8.2.70.0000.01117.50
8.2.60.0050.00517.90
8.2.50.0040.00418.07
8.2.40.0070.00319.76
8.2.30.0030.00618.23
8.2.20.0030.00517.48
8.2.10.0050.00217.83
8.2.00.0000.00817.70
8.1.280.0190.00325.92
8.1.270.0000.00822.17
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0080.00021.97
8.1.230.0060.00618.99
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0000.00817.35
8.1.190.0000.00817.10
8.1.180.0040.00418.10
8.1.170.0040.00418.46
8.1.160.0040.00421.95
8.1.150.0000.00718.47
8.1.140.0080.00017.38
8.1.130.0030.00517.79
8.1.120.0000.00717.37
8.1.110.0070.00017.36
8.1.100.0070.00017.38
8.1.90.0030.00417.45
8.1.80.0000.00717.38
8.1.70.0000.00717.28
8.1.60.0000.00817.49
8.1.50.0030.00517.44
8.1.40.0030.00517.37
8.1.30.0080.00017.53
8.1.20.0040.00417.58
8.1.10.0080.00017.47
8.1.00.0030.00617.39
8.0.300.0050.00318.77
8.0.290.0070.00017.05
8.0.280.0020.00518.24
8.0.270.0030.00317.24
8.0.260.0000.00817.17
8.0.250.0000.00716.84
8.0.240.0040.00416.83
8.0.230.0040.00416.88
8.0.220.0040.00416.96
8.0.210.0070.00016.86
8.0.200.0070.00016.84
8.0.190.0040.00416.93
8.0.180.0000.00716.95
8.0.170.0070.00016.88
8.0.160.0030.00316.83
8.0.150.0070.00016.86
8.0.140.0050.00616.83
8.0.130.0000.00713.29
8.0.120.0080.00016.79
8.0.110.0000.00816.89
8.0.100.0040.00416.94
8.0.90.0030.00516.93
8.0.80.0150.00616.84
8.0.70.0000.00816.73
8.0.60.0000.00716.74
8.0.50.0050.00316.89
8.0.30.0110.01116.94
8.0.20.0120.00517.40
8.0.10.0040.00416.81
8.0.00.0030.01716.69
7.4.330.0000.00515.00
7.4.320.0030.00316.41
7.4.300.0000.00816.52
7.4.290.0030.00316.49
7.4.280.0030.00616.46
7.4.270.0000.00716.47
7.4.260.0030.00316.31
7.4.250.0030.00516.34
7.4.240.0070.00016.50
7.4.230.0070.00016.40
7.4.220.0040.01116.39
7.4.210.0100.00616.52
7.4.200.0030.00316.54
7.4.190.0000.00716.48
7.4.160.0080.01116.38
7.4.150.0000.01817.40
7.4.140.0100.01017.86
7.4.130.0050.01216.40
7.4.120.0060.01116.43
7.4.110.0140.00316.31
7.4.100.0130.00616.36
7.4.90.0140.00316.48
7.4.80.0090.00919.39
7.4.70.0150.00316.33
7.4.60.0100.00816.51
7.4.50.0050.00016.38
7.4.40.0110.01116.48
7.4.30.0040.01216.16
7.3.330.0000.00512.97
7.3.320.0030.00312.88
7.3.310.0020.00516.23
7.3.300.0000.00716.15
7.3.290.0140.00416.10
7.3.280.0110.00716.15
7.3.270.0070.01017.40
7.3.260.0150.00916.42
7.3.250.0070.00916.44
7.3.240.0060.01216.14
7.3.230.0120.00916.39
7.3.210.0060.01216.30
7.3.200.0040.01219.39
7.3.190.0070.01016.20
7.3.180.0090.00616.21
7.3.170.0060.01016.47
7.3.160.0090.00616.14
7.2.330.0110.00616.50
7.2.320.0110.00516.48
7.2.310.0130.00316.53
7.2.300.0100.00716.35
7.2.290.0120.00916.42
7.1.00.0030.07322.32
7.0.140.0070.06722.04
5.6.280.0100.06720.85
5.4.450.4300.04319.27
5.4.440.3770.03719.27
5.4.430.1170.05719.33
5.4.420.4670.04319.19
5.4.410.0070.08018.98
5.4.400.4400.04018.88
5.4.390.4830.03718.96
5.4.380.4070.02718.73
5.4.370.0000.04018.95
5.4.360.0130.04318.95
5.4.350.4900.03318.88
5.4.340.4630.03718.77
5.4.320.4800.04018.95
5.4.310.4470.04018.88
5.4.300.4200.03018.72
5.4.290.3630.03718.95
5.4.280.4570.04318.97
5.4.270.3530.03718.86
5.4.260.2670.03718.88
5.4.250.0100.05719.11
5.4.240.4030.03718.94
5.4.230.4030.04318.95
5.4.220.4130.04019.00
5.4.210.3670.04018.96
5.4.200.3000.04318.90
5.4.190.2630.03018.96
5.4.180.2170.03018.99
5.4.170.2930.03318.75
5.4.160.2230.04018.84
5.4.150.2870.04318.95
5.4.140.1730.03716.39
5.4.130.3230.03016.41
5.4.120.3170.04016.27
5.4.110.4830.03016.23
5.4.100.4230.04016.46
5.4.90.3630.03716.46
5.4.80.3730.03316.11
5.4.70.4000.03316.23
5.4.60.4070.03016.30
5.4.50.4470.03716.46
5.4.40.3970.04016.46
5.4.30.4100.03716.43
5.4.20.3430.04016.46
5.4.10.3930.03016.13
5.4.00.4670.03715.70
5.3.290.4000.03714.56
5.3.280.3900.04314.54
5.3.270.3570.03714.54
5.3.260.2430.02714.58
5.3.250.2530.03314.57
5.3.240.2430.03714.53
5.3.230.2830.03014.52
5.3.220.2630.04014.50
5.3.210.3730.03314.49
5.3.200.4200.03014.49
5.3.190.3630.04014.35
5.3.180.4000.03714.50
5.3.170.3800.03714.49
5.3.160.4730.03014.35
5.3.150.4200.03314.46
5.3.140.4630.03314.53
5.3.130.4670.03714.37
5.3.120.4700.04014.36
5.3.110.4500.04014.33
5.3.100.3900.03313.98
5.3.90.4270.03313.94
5.3.80.4530.03713.84
5.3.70.4700.03313.98
5.3.60.4630.03313.94
5.3.50.4130.04013.76
5.3.40.5230.03313.91
5.3.30.3870.04013.93
5.3.20.3930.04013.62
5.3.10.3130.04013.61
5.3.00.4430.04013.45

preferences:
38.8 ms | 401 KiB | 5 Q