3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test { protected $attr = null; } $test = new Test(); $test2 = base64_encode(serialize($test)); var_dump($test2);

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)
8.3.60.0060.01216.38
8.3.50.0120.00516.29
8.3.40.0030.01018.57
8.3.30.0040.01118.44
8.3.20.0080.00018.35
8.3.10.0030.00518.61
8.3.00.0130.00319.26
8.2.180.0130.00616.38
8.2.170.0100.00322.96
8.2.160.0080.00818.83
8.2.150.0040.00424.18
8.2.140.0090.00624.66
8.2.130.0070.00726.16
8.2.120.0060.00317.80
8.2.110.0060.00319.33
8.2.100.0100.00317.72
8.2.90.0040.00419.11
8.2.80.0050.00317.97
8.2.70.0030.00517.50
8.2.60.0000.00817.93
8.2.50.0030.00617.93
8.2.40.0090.00019.46
8.2.30.0050.00517.58
8.2.20.0060.00617.48
8.2.10.0040.00417.48
8.2.00.0040.00417.48
8.1.280.0120.00325.92
8.1.270.0040.00423.99
8.1.260.0090.00926.35
8.1.250.0040.00428.09
8.1.240.0060.00322.71
8.1.230.0070.00417.70
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0030.00617.35
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0040.00417.62
8.1.160.0000.00818.91
8.1.150.0000.00718.48
8.1.140.0040.00417.29
8.1.130.0000.00717.37
8.1.120.0000.00717.41
8.1.110.0000.00717.30
8.1.100.0040.00417.36
8.1.90.0070.00017.29
8.1.80.0000.00717.35
8.1.70.0070.00017.36
8.1.60.0040.00417.38
8.1.50.0040.00417.46
8.1.40.0040.00417.34
8.1.30.0030.00617.60
8.1.20.0030.00717.62
8.1.10.0040.00417.55
8.1.00.0040.00417.42
8.0.300.0000.00818.77
8.0.290.0000.00716.63
8.0.280.0000.00718.57
8.0.270.0030.00317.18
8.0.260.0070.00016.65
8.0.250.0030.00316.90
8.0.240.0000.00816.84
8.0.230.0050.00216.92
8.0.220.0000.00816.70
8.0.210.0030.00316.78
8.0.200.0040.00416.94
8.0.190.0080.00016.90
8.0.180.0000.00916.88
8.0.170.0030.00616.72
8.0.160.0000.00716.84
8.0.150.0040.00416.74
8.0.140.0050.00316.81
8.0.130.0060.00013.21
8.0.120.0000.01016.79
8.0.110.0050.00316.61
8.0.100.0040.00416.84
8.0.90.0040.00416.71
8.0.80.0120.00416.86
8.0.70.0070.00016.67
8.0.60.0070.00016.82
8.0.50.0050.00216.80
8.0.30.0170.00317.24
8.0.20.0090.01016.93
8.0.10.0040.00416.79
8.0.00.0120.00616.65
7.4.330.0000.00512.96
7.4.320.0000.00616.50
7.4.300.0060.00016.45
7.4.290.0020.00516.55
7.4.280.0060.00316.39
7.4.270.0030.00316.29
7.4.260.0000.00713.21
7.4.250.0000.01016.39
7.4.240.0030.00316.55
7.4.230.0040.00416.22
7.4.220.0060.00916.32
7.4.210.0060.01016.53
7.4.200.0070.00016.52
7.4.190.0030.00516.45
7.4.160.0030.01216.14
7.4.150.0100.00716.30
7.4.140.0140.00417.86
7.4.130.0120.00616.38
7.4.120.0120.00816.39
7.4.110.0090.00916.24
7.4.100.0080.00816.39
7.4.90.0120.02516.33
7.4.80.0130.00919.39
7.4.70.0150.00616.29
7.4.60.0050.01116.26
7.4.50.0060.00316.29
7.4.40.0140.00316.04
7.4.30.0100.00516.28
7.4.00.0070.00714.89
7.3.330.0060.00013.12
7.3.320.0030.00312.98
7.3.310.0030.00316.15
7.3.300.0030.00316.16
7.3.290.0080.00716.14
7.3.280.0070.00716.13
7.3.270.0120.01216.14
7.3.260.0130.00516.15
7.3.240.0080.00816.42
7.3.230.0000.01616.55
7.3.210.0030.01516.57
7.3.200.0040.01216.16
7.3.190.0130.00316.25
7.3.180.0040.01216.32
7.3.170.0060.00916.10
7.3.160.0060.01016.41
7.3.120.0050.00514.92
7.2.330.0100.00716.55
7.2.320.0100.01316.66
7.2.310.0160.00416.63
7.2.300.0030.01316.38
7.2.290.0070.01116.31
7.2.60.0060.00616.96
7.2.00.0090.00619.25
7.1.200.0070.00315.63
7.1.100.0000.01317.92
7.1.70.0030.00317.05
7.1.60.0120.01219.21
7.1.50.0110.02116.83
7.1.00.0070.03722.45
7.0.200.0100.00316.73
7.0.140.0000.07021.95
7.0.120.0000.06722.09
7.0.60.0070.06020.01
7.0.50.0200.05717.95
7.0.40.0000.04320.11
7.0.30.0530.05020.27
7.0.20.0300.06720.22
7.0.10.0230.07320.25
7.0.00.0130.04320.22
5.6.280.0070.07021.02
5.6.210.0070.04320.75
5.6.200.0000.08318.22
5.6.190.0130.07320.62
5.6.180.0200.04020.52
5.6.170.0370.04320.47
5.6.160.0030.04320.52
5.6.150.0070.04718.14
5.6.140.0070.08018.25
5.6.130.0030.04718.14
5.6.120.0100.07320.90
5.6.110.0100.07721.04
5.6.100.0030.08321.00
5.6.90.0100.06721.12
5.6.80.0100.08320.38
5.6.70.4430.03720.43
5.5.350.0200.08020.40
5.5.340.0000.06318.04
5.5.330.0070.04720.25
5.5.320.0230.04320.20
5.5.310.0200.03720.37
5.5.300.0030.07318.02
5.5.290.0070.04317.95
5.5.280.0130.07020.77
5.5.270.0170.07320.97
5.5.260.0200.07720.79
5.5.250.0070.09720.68
5.5.240.0070.08720.16
5.4.450.0300.05019.45
5.4.440.4000.03719.34
5.4.430.0030.06019.68
5.4.420.0100.05319.49
5.4.410.0130.05019.31
5.4.400.0130.05019.09
5.4.390.0170.04719.26
5.4.380.0300.05018.77
5.4.370.0170.05318.69
5.4.360.0330.04718.71
5.4.350.0100.03412.02
5.4.340.0080.04512.01
5.4.320.0060.04912.50
5.4.310.0070.05212.50
5.4.300.0120.06812.50
5.4.290.0090.04312.49
5.4.280.0150.07112.39
5.4.270.0110.05812.39
5.4.260.0150.07312.39
5.4.250.0120.07912.39
5.4.240.0130.06912.39
5.4.230.0080.06112.38
5.4.220.0090.06712.38
5.4.210.0120.06112.38
5.4.200.0120.06812.38
5.4.190.0170.07312.38
5.4.180.0150.07312.38
5.4.170.0140.07312.39
5.4.160.0180.07512.39
5.4.150.0140.06312.38
5.4.140.0110.05812.07
5.4.130.0100.05812.05
5.4.120.0080.05212.01
5.4.110.0080.04212.01
5.4.100.0090.04112.01
5.4.90.0080.04512.01
5.4.80.0110.04512.01
5.4.70.0080.04412.00
5.4.60.0070.04112.00
5.4.50.0070.04612.00
5.4.40.0070.04612.00
5.4.30.0120.04111.99
5.4.20.0070.04611.99
5.4.10.0130.05511.99
5.4.00.0090.07111.48
5.3.290.0080.04012.80
5.3.280.0150.07712.71
5.3.270.0120.07412.72
5.3.260.0140.06512.72
5.3.250.0130.06912.72
5.3.240.0100.04912.72
5.3.230.0100.04712.71
5.3.220.0130.06112.68
5.3.210.0060.05012.68
5.3.200.0140.04512.68
5.3.190.0110.04812.68
5.3.180.0090.04512.67
5.3.170.0110.04212.67
5.3.160.0100.04912.67
5.3.150.0090.04612.67
5.3.140.0100.04812.66
5.3.130.0080.05112.66
5.3.120.0120.05712.66
5.3.110.0120.06412.66
5.3.100.0120.04812.12
5.3.90.0080.04912.09
5.3.80.0110.04412.08
5.3.70.0090.04212.08

preferences:
40.3 ms | 401 KiB | 5 Q