3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { public $b = 1; } $a = new A; var_dump($a); var_dump(unserialize(serialize($a))); var_dump(json_decode(json_encode($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)
8.3.60.0040.01116.48
8.3.50.0110.00621.08
8.3.40.0110.00418.71
8.3.30.0190.00318.45
8.3.20.0050.00318.63
8.3.10.0030.00521.73
8.3.00.0040.00420.89
8.2.180.0110.00716.63
8.2.170.0140.00022.96
8.2.160.0000.01519.26
8.2.150.0030.00524.18
8.2.140.0080.00024.66
8.2.130.0080.00022.11
8.2.120.0040.00426.35
8.2.110.0060.00322.26
8.2.100.0110.00017.62
8.2.90.0050.00319.05
8.2.80.0080.00017.97
8.2.70.0090.00017.25
8.2.60.0040.00417.90
8.2.50.0080.00018.10
8.2.40.0050.00320.55
8.2.30.0020.00520.54
8.2.20.0000.00717.60
8.2.10.0020.00517.87
8.2.00.0000.00717.86
8.1.280.0170.00325.92
8.1.270.0080.00023.84
8.1.260.0000.00728.09
8.1.250.0060.00328.09
8.1.240.0060.00323.91
8.1.230.0090.00318.85
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0030.00517.10
8.1.180.0000.00818.10
8.1.170.0040.00418.48
8.1.160.0030.00320.89
8.1.150.0000.00718.86
8.1.140.0070.00019.48
8.1.130.0040.00417.64
8.1.120.0050.00317.38
8.1.110.0000.00817.29
8.1.100.0070.00017.39
8.1.90.0090.00017.41
8.1.80.0040.00417.26
8.1.70.0050.00317.38
8.1.60.0030.00517.43
8.1.50.0030.00517.36
8.1.40.0030.00517.43
8.1.30.0060.00317.63
8.1.20.0040.00417.52
8.1.10.0050.00317.31
8.1.00.0110.00017.42
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0040.00418.38
8.0.270.0050.00217.10
8.0.260.0000.00817.19
8.0.250.0070.00016.86
8.0.240.0060.00016.85
8.0.230.0100.00016.85
8.0.220.0040.00416.89
8.0.210.0020.00516.76
8.0.200.0060.00316.86
8.0.190.0040.00416.93
8.0.180.0000.00916.84
8.0.170.0000.00716.81
8.0.160.0040.00416.87
8.0.150.0040.00416.80
8.0.140.0070.00516.88
8.0.130.0060.00013.38
8.0.120.0040.00416.82
8.0.110.0040.00416.78
8.0.100.0050.00216.76
8.0.90.0040.00416.91
8.0.80.0070.00716.86
8.0.70.0030.00616.79
8.0.60.0000.00716.95
8.0.50.0040.00416.74
8.0.30.0150.00317.02
8.0.20.0080.01117.40
8.0.10.0000.00716.88
8.0.00.0100.01016.68
7.4.330.0000.00615.08
7.4.320.0000.00616.54
7.4.300.0030.00316.52
7.4.290.0030.00316.51
7.4.280.0040.00416.48
7.4.270.0050.00316.55
7.4.260.0000.00716.52
7.4.250.0080.00016.41
7.4.240.0030.00316.53
7.4.230.0000.00716.33
7.4.220.0170.01016.45
7.4.210.0070.00716.36
7.4.200.0070.00016.53
7.4.160.0030.01416.45
7.4.150.0050.01417.40
7.4.140.0110.00717.86
7.4.130.0130.00316.49
7.4.120.0130.00416.47
7.4.110.0120.00616.27
7.4.100.0130.00716.38
7.4.90.0160.00616.49
7.4.80.0140.00419.39
7.4.70.0090.00816.45
7.4.60.0090.00916.29
7.4.50.0070.00316.49
7.4.40.0220.00016.37
7.4.30.0150.00616.39
7.4.00.0070.01114.85
7.3.330.0000.00513.20
7.3.320.0050.00013.05
7.3.310.0030.00316.13
7.3.300.0060.00016.03
7.3.290.0150.00516.18
7.3.280.0100.00716.14
7.3.270.0090.00917.40
7.3.260.0130.01316.37
7.3.250.0060.01316.26
7.3.240.0090.01116.32
7.3.230.0100.01016.54
7.3.210.0030.01416.26
7.3.200.0120.00616.12
7.3.190.0110.00616.06
7.3.180.0000.01516.24
7.3.170.0140.00316.41
7.3.160.0140.00716.19
7.3.10.0040.00416.80
7.3.00.0030.01016.36
7.2.330.0090.00916.61
7.2.320.0140.00316.27
7.2.310.0100.01016.34
7.2.300.0070.01016.50
7.2.290.0120.00616.38
7.2.130.0080.00616.82
7.2.120.0040.00816.65
7.2.110.0080.00416.74
7.2.100.0090.00316.85
7.2.90.0090.00616.86
7.2.80.0030.00916.81
7.2.70.0060.00916.72
7.2.60.0060.00616.81
7.2.50.0030.01016.95
7.2.40.0030.01316.91
7.2.30.0030.00616.55
7.2.20.0060.00316.59
7.2.10.0060.00916.73
7.2.00.0040.00917.80
7.1.250.0090.00315.64
7.1.200.0060.00615.68
7.1.100.0060.00618.07
7.1.70.0000.00717.05
7.1.60.0150.00920.41
7.1.00.0030.07722.45
7.0.200.0890.00014.74
7.0.90.0170.08019.98
7.0.80.0230.08019.89
7.0.70.0170.06719.89
7.0.60.0100.04319.91
7.0.50.0030.05320.34
7.0.40.0070.04320.10
7.0.30.0070.04320.13
7.0.20.0000.04720.15
7.0.10.0030.04720.03
7.0.00.0000.07720.10
5.6.280.0000.07320.89
5.6.240.0070.08020.51
5.6.230.0100.06020.63
5.6.220.0070.04320.58
5.6.210.0070.04020.77
5.6.200.0030.04321.05
5.6.190.0100.04021.04
5.6.180.0070.04021.08
5.6.170.0100.04021.07
5.6.160.0070.04020.96
5.6.150.0100.05321.02
5.6.140.0000.05020.93
5.6.130.0000.04721.11
5.6.120.0030.03721.03
5.6.110.0070.04720.95
5.6.100.0130.08321.06
5.6.90.0030.03720.99
5.6.80.0000.03720.41
5.6.70.0030.04020.48
5.6.60.0000.04320.39
5.6.50.0130.03020.47
5.6.40.0000.07720.38
5.6.30.0100.03320.44
5.6.20.0070.04320.31
5.6.10.0130.06020.31
5.6.00.0070.03720.36
5.5.380.0170.06720.36
5.5.370.0170.07720.35
5.5.360.0030.07020.40
5.5.350.0030.05320.47
5.5.340.0070.04020.87
5.5.330.0170.03020.77
5.5.320.0030.04320.84
5.5.310.0130.08020.83
5.5.300.0000.04320.90
5.5.290.0070.04020.73
5.5.280.0030.04320.64
5.5.270.0070.06020.81
5.5.260.0100.04720.86
5.5.250.0000.04320.73
5.5.240.0070.06020.31
5.5.230.0100.03720.29
5.5.220.0070.05720.26
5.5.210.0070.03020.26
5.5.200.0130.03320.21
5.5.190.0100.05019.97
5.5.180.0000.04320.27
5.5.160.0030.04020.27
5.5.150.0030.04020.17
5.5.140.0030.05020.11
5.5.130.0070.05720.27
5.5.120.0070.03720.27
5.5.110.0030.03720.26
5.5.100.0070.03719.91
5.5.90.0030.03320.14
5.5.80.0100.03320.07
5.5.70.0030.04720.15
5.5.60.0070.07319.99
5.5.50.0230.06019.95
5.5.40.0100.07720.09
5.5.30.0130.07019.99
5.5.20.0100.06020.03
5.5.10.0170.07020.13
5.5.00.0130.07020.04

preferences:
59.69 ms | 401 KiB | 5 Q