3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo implements \Serializable { public function unserialize(string $serialized) { } public function serialize() { } }

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)
8.3.70.0090.00616.58
8.3.60.0120.00618.56
8.3.50.0150.00517.35
8.3.40.0140.00418.70
8.3.30.0120.00618.40
8.3.20.0050.00221.63
8.3.10.0060.00320.78
8.3.00.0000.00721.63
8.2.190.0100.01016.61
8.2.180.0140.00725.92
8.2.170.0090.00622.96
8.2.160.0070.00722.11
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0080.00019.66
8.2.110.0060.00320.52
8.2.100.0070.00717.91
8.2.90.0080.00017.84
8.2.80.0100.00017.97
8.2.70.0030.00617.80
8.2.60.0040.00418.00
8.2.50.0030.00518.10
8.2.40.0040.00419.35
8.2.30.0040.00420.30
8.2.20.0000.00717.90
8.2.10.0050.00218.79
8.2.00.0030.00417.86
8.1.280.0110.00325.92
8.1.270.0040.00420.71
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0110.00017.23
8.1.230.0110.00520.89
8.1.220.0030.00617.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0090.00017.10
8.1.180.0040.00418.10
8.1.170.0040.00418.35
8.1.160.0000.00718.74
8.1.150.0040.00418.75
8.1.140.0030.00320.21
8.1.130.0080.00020.16
8.1.120.0040.00417.36
8.1.110.0030.00517.21
8.1.100.0110.00017.32
8.1.90.0050.00217.28
8.1.80.0040.00417.28
8.1.70.0000.00917.40
8.1.60.0090.00017.50
8.1.50.0030.00517.51
8.1.40.0000.00817.43
8.1.30.0050.00317.41
8.1.20.0040.00417.59
8.1.10.0000.00817.37
8.1.00.0000.00717.19
8.0.300.0040.00419.69
8.0.290.0040.00716.58
8.0.280.0000.00718.45
8.0.270.0030.00317.11
8.0.260.0000.00618.41
8.0.250.0030.00316.80
8.0.240.0070.00016.86
8.0.230.0030.00316.92
8.0.220.0000.00716.78
8.0.210.0040.00416.79
8.0.200.0050.00316.87
8.0.190.0000.00816.71
8.0.180.0050.00216.82
8.0.170.0000.00816.73
8.0.160.0000.00716.83
8.0.150.0070.00016.84
8.0.140.0030.00316.75
8.0.130.0000.00513.29
8.0.120.0060.00316.73
8.0.110.0000.00816.81
8.0.100.0040.00416.73
8.0.90.0070.00016.70
8.0.80.0060.00816.73
8.0.70.0040.00416.85
8.0.60.0030.00416.76
8.0.50.0040.00416.65
8.0.30.0030.01316.71
8.0.20.0050.01616.87
8.0.10.0000.00716.97
8.0.00.0080.00916.70
7.4.330.0000.00515.55
7.4.320.0030.00316.45
7.4.300.0030.00316.50
7.4.290.0070.00016.55
7.4.280.0040.00416.42
7.4.270.0060.00316.55
7.4.260.0000.00716.41
7.4.250.0000.00716.40
7.4.240.0080.00016.38
7.4.230.0040.00416.55
7.4.220.0030.00516.29
7.4.210.0090.00816.58
7.4.200.0070.00016.56
7.4.160.0080.00816.40
7.4.140.0060.01617.86
7.4.130.0100.00716.36
7.4.120.0100.01016.54
7.4.110.0100.00716.49
7.4.100.0100.00716.40
7.4.90.0170.00016.44
7.4.80.0070.01419.39
7.4.70.0080.00816.44
7.4.60.0100.00616.36
7.4.50.0000.01416.58
7.4.40.0070.01016.50
7.4.00.0120.00015.07
7.3.330.0050.00013.25
7.3.320.0060.00013.26
7.3.310.0030.00316.16
7.3.300.0070.00016.23
7.3.290.0020.00516.12
7.3.280.0030.01216.21
7.3.260.0110.00916.31
7.3.240.0100.00916.37
7.3.230.0070.01016.32
7.3.210.0060.01116.45
7.3.200.0030.01316.38
7.3.190.0040.01216.18
7.3.180.0060.01016.32
7.3.170.0100.00716.34
7.3.160.0170.00016.25
7.3.50.0100.01014.74
7.3.40.0070.00314.57
7.3.30.0040.00714.80
7.3.20.0150.00016.42
7.3.10.0050.00516.64
7.3.00.0140.00616.34
7.2.330.0120.00616.49
7.2.320.0080.00816.58
7.2.310.0030.01316.39
7.2.300.0120.00416.48
7.2.290.0080.01016.43
7.2.180.0100.00314.94
7.2.170.0080.00315.04
7.2.160.0080.01114.97
7.2.150.0000.01316.66
7.2.140.0030.00816.91
7.2.130.0170.00616.94
7.2.120.0090.00616.40
7.2.110.0060.00616.77
7.2.100.0100.00516.59
7.2.90.0000.01416.69
7.2.80.0020.01516.59
7.2.70.0050.00916.78
7.2.60.0190.00016.67
7.2.50.0070.00416.76
7.2.40.0150.00616.75
7.2.30.0060.00616.79
7.2.20.0060.00616.54
7.2.10.0070.00416.61
7.2.00.0060.00616.81
7.1.280.0090.00315.40
7.1.270.0040.01115.67
7.1.260.0050.00515.71
7.1.250.0070.00715.65

preferences:
32.47 ms | 404 KiB | 6 Q