3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = serialize([]); var_dump($array, base64_encode($array), base64_encode('a:')); $object = serialize(new \stdClass()); var_dump($object, base64_encode($object), base64_encode('O:'));

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)
8.4.120.0060.00324.31
8.4.110.0120.01018.76
8.4.100.0150.00618.73
8.4.90.0110.00920.51
8.4.80.0040.00418.50
8.4.70.0100.01117.69
8.4.60.0100.01018.56
8.4.50.0100.00718.52
8.4.40.0120.00618.97
8.4.30.0100.01020.10
8.4.20.0090.00018.01
8.4.10.0060.00318.38
8.3.250.0100.00818.73
8.3.240.0140.00516.84
8.3.230.0100.00918.34
8.3.220.0120.00518.77
8.3.210.0130.00716.48
8.3.200.0040.00516.41
8.3.190.0080.00917.29
8.3.180.0130.00416.97
8.3.170.0060.01218.81
8.3.160.0090.00916.56
8.3.150.0130.00618.98
8.3.140.0080.00016.35
8.3.130.0030.00616.61
8.3.120.0060.00320.86
8.3.110.0040.00416.52
8.3.100.0030.00518.27
8.3.90.0040.01126.77
8.3.80.0040.00416.50
8.3.70.0030.01316.58
8.3.60.0100.01018.43
8.3.50.0030.01019.91
8.3.40.0000.01518.72
8.3.30.0000.01419.09
8.3.20.0020.00524.18
8.3.10.0080.00024.66
8.3.00.0070.00026.16
8.2.290.0120.00620.36
8.2.280.0130.00418.47
8.2.270.0110.00717.41
8.2.260.0090.00618.93
8.2.250.0150.00618.24
8.2.240.0150.00016.68
8.2.230.0030.00720.94
8.2.220.0060.00324.06
8.2.210.0100.01026.77
8.2.200.0090.00016.63
8.2.190.0040.01516.58
8.2.180.0070.00725.92
8.2.170.0140.00022.96
8.2.160.0100.00722.96
8.2.150.0040.00425.66
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0000.00819.38
8.2.110.0060.00322.25
8.2.100.0120.00017.72
8.2.90.0000.00817.72
8.2.80.0000.00819.03
8.2.70.0040.00417.63
8.2.60.0050.00317.93
8.2.50.0040.00417.88
8.2.40.0040.00417.63
8.2.30.0000.00717.92
8.2.20.0000.00720.36
8.2.10.0030.00617.61
8.2.00.0040.00419.16
8.1.330.0090.00921.66
8.1.320.0080.01118.00
8.1.310.0120.00316.61
8.1.300.0090.00018.41
8.1.290.0060.00330.84
8.1.280.0070.00725.92
8.1.270.0110.00324.66
8.1.260.0150.00026.35
8.1.250.0000.00728.09
8.1.240.0030.00623.89
8.1.230.0070.00320.89
8.1.220.0000.00817.79
8.1.210.0030.00618.77
8.1.200.0090.00017.10
8.1.190.0040.00417.11
8.1.180.0030.00618.10
8.1.170.0000.00717.62
8.1.160.0080.00018.75
8.1.150.0030.00418.45
8.1.140.0000.00717.31
8.1.130.0000.00718.73
8.1.120.0000.00817.40
8.1.110.0050.00217.29
8.1.100.0000.00817.30
8.1.90.0040.00417.37
8.1.80.0000.00817.39
8.1.70.0030.00317.27
8.1.60.0030.00517.44
8.1.50.0040.00417.40
8.1.40.0060.00317.33
8.1.30.0110.00017.47
8.1.20.0090.00417.50
8.1.10.0030.01117.31
8.1.00.0070.00717.31
8.0.300.0000.00820.16
8.0.290.0030.00516.63
8.0.280.0070.00018.36
8.0.270.0050.00317.17
8.0.260.0000.00618.32
8.0.250.0000.00816.84
8.0.240.0030.00516.89
8.0.230.0030.00316.77
8.0.220.0070.00016.75
8.0.210.0000.00716.85
8.0.200.0000.00716.89
8.0.190.0000.00816.88
8.0.180.0040.00416.70
8.0.170.0060.00316.84
8.0.160.0050.00316.67
8.0.150.0070.00016.71
8.0.140.0050.01016.60
8.0.130.0070.00216.66
8.0.120.0030.00616.70
8.0.110.0090.00016.82
8.0.100.0090.00016.71
8.0.90.0030.00616.71
8.0.80.0100.00016.81
8.0.70.0030.00716.62
8.0.60.0050.00516.76
8.0.50.0070.00316.79
8.0.30.0050.00516.63
8.0.20.0000.01016.84
8.0.10.0040.00716.88
7.4.330.0030.00315.55
7.4.320.0060.00016.57
7.4.300.0000.00716.57
7.4.290.0040.00416.29
7.4.280.0060.00616.32
7.4.270.0050.00516.38
7.4.260.0040.00816.39
7.4.250.0070.00316.46
7.4.240.0090.00616.38
7.4.230.0080.01216.48
7.4.220.0060.00616.51
7.4.210.0140.00016.47
7.4.200.0000.01216.32
7.4.190.0070.00716.45
7.4.180.0110.00016.42
7.4.160.0100.00016.32
7.4.150.0090.00016.39
7.4.140.0050.00516.29
7.4.130.0050.00516.19
7.4.120.0090.00316.36
7.4.110.0050.00516.17
7.4.100.0000.01016.36
7.4.90.0020.00716.31
7.4.80.0100.00016.32
7.4.70.0080.00016.26
7.4.60.0070.00016.25
7.4.50.0000.00816.07
7.4.40.0000.00716.23
7.4.30.0000.00716.07
7.4.20.0030.00316.34
7.4.10.0040.00416.27
7.4.00.0080.00016.33

preferences:
30.67 ms | 403 KiB | 5 Q