3v4l.org

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

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)
8.4.120.0100.01023.93
8.4.110.0090.00418.63
8.4.100.0040.00518.79
8.4.90.0110.00820.61
8.4.80.0080.00318.65
8.4.70.0110.00918.82
8.4.60.0120.00819.04
8.4.50.0120.00718.51
8.4.40.0150.00017.95
8.4.30.0060.00920.57
8.4.20.0090.00620.74
8.4.10.0140.00719.25
8.3.250.0080.01118.34
8.3.240.0110.00717.30
8.3.230.0120.00716.84
8.3.220.0090.00918.73
8.3.210.0130.00516.73
8.3.200.0060.00316.62
8.3.190.0110.00517.19
8.3.180.0090.01118.97
8.3.170.0120.00316.53
8.3.160.0120.00617.17
8.3.150.0110.00417.23
8.3.140.0150.00318.74
8.3.130.0040.00418.26
8.3.120.0040.00418.63
8.3.110.0000.01120.94
8.3.100.0050.00316.65
8.3.90.0060.01326.77
8.3.80.0000.01116.63
8.3.70.0090.00616.75
8.3.60.0030.01218.43
8.3.50.0050.01116.49
8.3.40.0090.01218.63
8.3.30.0070.00718.79
8.3.20.0040.00420.73
8.3.10.0040.00420.18
8.3.00.0040.00423.53
8.2.290.0120.00320.30
8.2.280.0160.00318.54
8.2.270.0110.00716.58
8.2.260.0000.00718.67
8.2.250.0040.00416.67
8.2.240.0090.00617.24
8.2.230.0050.00322.58
8.2.220.0060.00324.06
8.2.210.0040.00426.77
8.2.200.0040.00417.96
8.2.190.0140.00418.54
8.2.180.0000.01425.92
8.2.170.0140.00722.96
8.2.160.0070.00720.22
8.2.150.0060.00324.18
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0040.00426.16
8.2.110.0090.00022.15
8.2.100.0120.00017.84
8.2.90.0040.00417.63
8.2.80.0090.00019.23
8.2.70.0050.00317.88
8.2.60.0000.00818.03
8.2.50.0030.00518.10
8.2.40.0000.00819.30
8.2.30.0070.00019.29
8.2.20.0060.00318.04
8.2.10.0070.00018.78
8.2.00.0000.00719.46
8.1.330.0090.00922.16
8.1.320.0150.00515.96
8.1.310.0040.00416.15
8.1.300.0100.00717.66
8.1.290.0060.00330.84
8.1.280.0110.00325.92
8.1.270.0060.00322.29
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0030.00622.50
8.1.230.0040.00721.00
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00717.23
8.1.190.0030.00517.13
8.1.180.0000.00818.10
8.1.170.0040.00418.57
8.1.160.0050.00218.86
8.1.150.0040.00418.82
8.1.140.0000.00718.69
8.1.130.0000.00720.07
8.1.120.0030.00617.32
8.1.110.0040.00417.27
8.1.100.0000.00717.32
8.1.90.0000.00817.36
8.1.80.0000.00717.25
8.1.70.0040.00417.29
8.1.60.0030.00617.56
8.1.50.0000.00817.49
8.1.40.0040.00417.35
8.1.30.0000.00817.51
8.1.20.0060.00317.49
8.1.10.0040.00417.39
8.1.00.0040.00417.20
8.0.300.0030.00519.72
8.0.290.0000.00716.75
8.0.280.0030.00318.30
8.0.270.0070.00017.11
8.0.260.0060.00018.37
8.0.250.0070.00016.86
8.0.240.0030.00316.89
8.0.230.0070.00016.78
8.0.220.0030.00316.75
8.0.210.0000.00816.71
8.0.200.0000.00716.89
8.0.190.0090.00016.87
8.0.180.0030.00516.75
8.0.170.0040.00416.73
8.0.160.0000.00716.80
8.0.150.0000.00716.68
8.0.140.0030.00316.67
8.0.130.0000.00713.26
8.0.120.0000.00816.78
8.0.110.0080.00016.76
8.0.100.0070.00016.63
8.0.90.0070.00016.60
8.0.80.0110.00316.83
8.0.70.0070.00016.85
8.0.60.0040.00416.61
8.0.50.0000.00716.72
8.0.30.0090.00916.89
8.0.20.0160.00317.00
8.0.10.0000.00716.77
8.0.00.0080.01216.75
7.4.330.0000.00415.55
7.4.320.0070.00016.43
7.4.300.0050.00216.42
7.4.290.0030.00316.45
7.4.280.0050.00216.32
7.4.270.0030.00316.54
7.4.260.0030.00316.54
7.4.250.0000.00716.42
7.4.240.0040.00316.48
7.4.230.0000.00716.63
7.4.220.0080.00016.42
7.4.210.0070.00816.45
7.4.200.0030.00316.27
7.4.140.0140.00317.86
7.4.130.0040.01616.44
7.4.120.0100.00716.31
7.4.110.0110.01116.39
7.4.100.0120.00316.40
7.4.90.0100.00616.52
7.4.80.0130.00319.39
7.4.70.0100.00716.40
7.4.60.0130.00916.27
7.4.50.0130.00316.14
7.4.40.0060.00916.46
7.4.10.0050.01114.82
7.4.00.0050.00914.91
7.3.330.0030.00313.20
7.3.320.0050.00013.23
7.3.310.0070.00016.29
7.3.300.0000.00716.20
7.3.290.0030.00316.18
7.3.280.0070.00916.16
7.3.260.0090.00816.30
7.3.240.0100.00816.35
7.3.230.0070.01016.20
7.3.210.0170.00316.28
7.3.200.0120.00916.30
7.3.190.0100.00716.29
7.3.180.0090.00616.36
7.3.170.0090.00716.20
7.3.160.0120.00616.39
7.3.130.0050.01214.65
7.3.120.0100.00814.66
7.3.110.0100.00814.46
7.3.100.0100.00214.72
7.3.90.0040.00714.64
7.3.80.0050.00814.66
7.3.70.0020.01214.47
7.3.60.0070.00714.61
7.3.50.0080.00814.59
7.3.40.0070.00714.75
7.3.30.0080.01014.60
7.3.20.0080.00915.81
7.3.10.0130.00515.86
7.3.00.0040.00915.96
7.2.330.0040.01416.68
7.2.320.0100.00716.43
7.2.310.0100.00616.18
7.2.300.0070.01016.55
7.2.290.0120.00916.61
7.2.260.0130.00514.78
7.2.250.0080.01014.90
7.2.240.0110.00514.81
7.2.230.0110.00514.79
7.2.220.0060.00714.88
7.2.210.0060.00614.71
7.2.200.0080.00614.68
7.2.190.0070.00714.78
7.2.180.0050.00914.79
7.2.170.0050.01014.74
7.2.160.0070.01014.87
7.2.150.0080.00716.18
7.2.140.0080.00816.24
7.2.130.0120.00716.12
7.2.120.0370.00816.10
7.2.110.0050.00916.04
7.2.100.0060.00816.07
7.2.90.0090.00716.20
7.2.80.0080.00516.06
7.2.70.0060.00916.14
7.2.60.0060.01216.15
7.2.50.0050.00716.21
7.2.40.0070.00616.11
7.2.30.0080.01215.99
7.2.20.0110.00916.12
7.2.10.0080.00915.98
7.2.00.0070.00715.92
7.1.330.0030.01015.49
7.1.320.0090.00715.72
7.1.310.0090.00415.53
7.1.300.0040.01015.59
7.1.290.0030.00915.27
7.1.280.0060.00915.01
7.1.270.0070.00914.99
7.1.260.0040.00815.02
7.1.250.0130.00415.01
7.1.240.0030.01015.73
7.1.230.0060.00815.49
7.1.220.0020.01115.50
7.1.210.0030.01015.68
7.1.200.0070.00415.54
7.1.190.0050.00715.67
7.1.180.0080.00315.69
7.1.170.0050.00615.64
7.1.160.0090.00415.55
7.1.150.0030.01115.53
7.1.140.0020.01415.62
7.1.130.0050.01015.66
7.1.120.0050.01015.45
7.1.110.0030.01115.66
7.1.100.0040.00615.73
7.1.90.0080.00515.52
7.1.80.0070.00615.67
7.1.70.0030.00715.58
7.1.60.0070.00815.65
7.1.50.0120.00315.57
7.1.40.0080.00615.64
7.1.30.0020.01315.65
7.1.20.0070.00815.64
7.1.10.0090.00215.66
7.1.00.0060.00515.41

preferences:
93.18 ms | 403 KiB | 5 Q