3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public $a = 'a'; protected $b = 'b'; private $c = 'c'; } var_dump(json_serialize(new 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)
8.3.60.0150.00618.56
8.3.50.0100.01122.00
8.3.40.0150.00318.39
8.3.30.0100.00318.88
8.3.20.0040.00420.34
8.3.10.0050.00320.40
8.3.00.0040.00421.86
8.2.180.0130.00716.63
8.2.170.0070.00722.96
8.2.160.0090.00621.98
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0000.00721.00
8.2.120.0000.00826.35
8.2.110.0090.00022.21
8.2.100.0060.00617.71
8.2.90.0080.00017.75
8.2.80.0030.00717.97
8.2.70.0040.00417.92
8.2.60.0000.00818.09
8.2.50.0000.01318.09
8.2.40.0030.00522.27
8.2.30.0000.00719.38
8.2.20.0040.00417.79
8.2.10.0000.00918.00
8.2.00.0070.00018.04
8.1.280.0090.00625.92
8.1.270.0140.00322.14
8.1.260.0000.00828.09
8.1.250.0050.00228.09
8.1.240.0030.00623.80
8.1.230.0040.00719.09
8.1.220.0070.00317.74
8.1.210.0040.00418.77
8.1.200.0080.00017.35
8.1.190.0040.00417.10
8.1.180.0080.00018.10
8.1.170.0130.00318.48
8.1.160.0030.00520.64
8.1.150.0040.00418.70
8.1.140.0040.00419.36
8.1.130.0040.00417.52
8.1.120.0000.01117.36
8.1.110.0040.00417.21
8.1.100.0000.00817.34
8.1.90.0040.00417.34
8.1.80.0040.00417.21
8.1.70.0030.00317.34
8.1.60.0000.00917.52
8.1.50.0080.00017.52
8.1.40.0040.00417.41
8.1.30.0000.00917.59
8.1.20.0000.00817.29
8.1.10.0000.00717.45
8.1.00.0050.00317.34
8.0.300.0060.00319.73
8.0.290.0000.00716.75
8.0.280.0030.00318.40
8.0.270.0030.00517.19
8.0.260.0000.00617.13
8.0.250.0030.00316.87
8.0.240.0030.00316.94
8.0.230.0030.00316.86
8.0.220.0000.00716.89
8.0.210.0050.00216.91
8.0.200.0070.00016.85
8.0.190.0000.00716.86
8.0.180.0000.00716.88
8.0.170.0070.00016.93
8.0.160.0070.00016.85
8.0.150.0000.00716.70
8.0.140.0000.00716.68
8.0.130.0070.00713.32
8.0.120.0080.00016.79
8.0.110.0000.00716.83
8.0.100.0030.00316.89
8.0.90.0050.00216.83
8.0.80.0120.00416.88
8.0.70.0080.00016.70
8.0.60.0050.00216.80
8.0.50.0000.00716.76
8.0.30.0130.00616.99
8.0.20.0120.00717.40
8.0.10.0070.00016.75
8.0.00.0080.00916.65
7.4.330.0000.00516.74
7.4.320.0070.00016.39
7.4.300.0060.00016.54
7.4.290.0050.00516.54
7.4.280.0040.00416.43
7.4.270.0080.00016.52
7.4.260.0000.00716.54
7.4.250.0030.00316.30
7.4.240.0050.00316.55
7.4.230.0030.00316.54
7.4.220.0090.00916.46
7.4.210.0030.01216.57
7.4.200.0070.00016.47
7.4.160.0060.01016.66
7.4.150.0100.00717.40
7.4.140.0100.01217.86
7.4.130.0100.01016.52
7.4.120.0110.00616.39
7.4.110.0110.00716.52
7.4.100.0100.01616.59
7.4.90.0120.00416.43
7.4.80.0160.00919.39
7.4.70.0130.00916.62
7.4.60.0140.00416.42
7.4.50.0090.00616.61
7.4.40.0060.01216.54
7.4.30.0080.00916.46
7.4.00.0040.01114.80
7.3.330.0000.00513.13
7.3.320.0030.00313.08
7.3.310.0050.00216.34
7.3.300.0070.00016.30
7.3.290.0080.01016.31
7.3.280.0090.01016.29
7.3.270.0130.01217.40
7.3.260.0130.00316.34
7.3.250.0100.00916.37
7.3.240.0060.01016.33
7.3.230.0060.01316.50
7.3.210.0130.00316.24
7.3.200.0060.00916.35
7.3.190.0100.00716.50
7.3.180.0070.01416.40
7.3.170.0110.01116.49
7.3.160.0060.00916.26
7.2.330.0070.01016.55
7.2.320.0130.00916.53
7.2.310.0150.00616.31
7.2.300.0100.01016.52
7.2.290.0060.00916.47
7.2.60.0040.00916.63
7.2.00.0030.01119.21
7.1.200.0070.00715.50
7.1.100.0030.00717.99
7.1.70.0000.00816.70
7.1.60.0080.01519.19
7.1.50.0000.01016.62
7.1.00.0000.07722.25
7.0.200.1850.00014.46
7.0.60.0130.05321.75
7.0.50.0030.04317.88
7.0.40.0100.06020.41
7.0.30.0130.05320.07
7.0.20.0400.06320.16
7.0.10.0070.04020.27
7.0.00.0030.05020.22
5.6.280.0030.03020.82
5.6.210.0100.07320.73
5.6.200.0000.05318.18
5.6.190.0070.06320.68
5.6.180.0170.04320.45
5.6.170.0370.05020.39
5.6.160.0070.04320.54
5.6.150.0100.08318.19
5.6.140.0030.04018.16
5.6.130.0000.08318.13
5.6.120.0100.08020.89
5.6.110.0070.06720.96
5.6.100.0070.05720.89
5.6.90.0100.03720.98
5.6.80.0130.07020.37
5.5.350.0370.07020.41
5.5.340.0030.04317.98
5.5.330.0170.07720.40
5.5.320.0230.04720.35
5.5.310.0370.06320.24
5.5.300.0100.08017.98
5.5.290.0230.06318.05
5.5.280.0030.07720.74
5.5.270.0030.08320.64
5.5.260.0030.04320.76
5.5.250.0030.08320.78
5.5.240.0070.06720.34

preferences:
51.75 ms | 401 KiB | 5 Q