3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test { public $a = 1; public $b = 2; } $test = new Test; unset($test->b); var_dump($test); var_dump(unserialize(serialize($test)));

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)
8.4.120.0120.00720.59
8.4.110.0090.00218.66
8.4.100.0120.00917.70
8.4.90.0110.01017.87
8.4.80.0130.00719.37
8.4.70.0110.01017.78
8.4.60.0060.00317.68
8.4.50.0110.00920.37
8.4.40.0040.00419.33
8.4.30.0060.00920.59
8.4.20.0080.00317.94
8.4.10.0000.01019.50
8.3.250.0060.00318.99
8.3.240.0110.00916.50
8.3.230.0120.00716.57
8.3.220.0120.00816.55
8.3.210.0080.00716.63
8.3.200.0120.00716.46
8.3.190.0170.00217.24
8.3.180.0050.00419.03
8.3.170.0160.00317.19
8.3.160.0110.00716.23
8.3.150.0070.00717.30
8.3.140.0130.00716.95
8.3.130.0030.00618.16
8.3.120.0080.00020.50
8.3.110.0060.00320.94
8.3.100.0030.00618.17
8.3.90.0080.00826.77
8.3.80.0040.00819.36
8.3.70.0070.01418.30
8.3.60.0070.00718.03
8.3.50.0100.00723.60
8.3.40.0100.01018.73
8.3.30.0090.01218.34
8.3.20.0070.00020.73
8.3.10.0080.00022.09
8.3.00.0000.00721.89
8.2.290.0120.00718.66
8.2.280.0090.01016.84
8.2.270.0130.00616.61
8.2.260.0070.00316.41
8.2.250.0050.00318.21
8.2.240.0040.01116.92
8.2.230.0140.00422.58
8.2.220.0090.00024.06
8.2.210.0080.00026.77
8.2.200.0100.00018.88
8.2.190.0120.00316.58
8.2.180.0100.01018.16
8.2.170.0090.00622.96
8.2.160.0000.01422.21
8.2.150.0000.00924.18
8.2.140.0070.00024.66
8.2.130.0080.00026.16
8.2.120.0080.00026.16
8.2.110.0100.00021.92
8.2.100.0040.00817.78
8.2.90.0030.00517.78
8.2.80.0060.00317.97
8.2.70.0050.00317.79
8.2.60.0000.00918.03
8.2.50.0000.00918.10
8.2.40.0040.00419.17
8.2.30.0070.00019.21
8.2.20.0070.00018.07
8.2.10.0040.00419.06
8.2.00.0040.00419.09
8.1.330.0090.01015.91
8.1.320.0120.00816.07
8.1.310.0110.00716.11
8.1.300.0140.00420.01
8.1.290.0060.00330.84
8.1.280.0140.00425.92
8.1.270.0040.00420.50
8.1.260.0080.00826.35
8.1.250.0040.00428.09
8.1.240.0090.00317.36
8.1.230.0080.00422.62
8.1.220.0000.00817.74
8.1.210.0090.00018.77
8.1.200.0030.00617.13
8.1.190.0000.00816.98
8.1.180.0060.00318.10
8.1.170.0040.00418.46
8.1.160.0050.00218.93
8.1.150.0000.00718.50
8.1.140.0000.00720.72
8.1.130.0040.00420.19
8.1.120.0080.00017.47
8.1.110.0060.00317.37
8.1.100.0000.01017.37
8.1.90.0000.00717.43
8.1.80.0070.00317.46
8.1.70.0040.00417.32
8.1.60.0090.00017.51
8.1.50.0060.00617.47
8.1.40.0060.00317.41
8.1.30.0000.00817.47
8.1.20.0080.00417.43
8.1.10.0000.01017.49
8.1.00.0040.00417.51
8.0.300.0040.00419.77
8.0.290.0030.00516.88
8.0.280.0030.00318.30
8.0.270.0070.00017.93
8.0.260.0030.00319.86
8.0.250.0000.00716.84
8.0.240.0030.00616.98
8.0.230.0020.00516.96
8.0.220.0000.00716.91
8.0.210.0030.00316.93
8.0.200.0030.00316.85
8.0.190.0000.00816.94
8.0.180.0030.00516.84
8.0.170.0060.00316.90
8.0.160.0000.00816.81
8.0.150.0000.00816.87
8.0.140.0060.00316.91
8.0.130.0000.00513.32
8.0.120.0040.00416.80
8.0.110.0040.00316.72
8.0.100.0040.00416.73
8.0.90.0000.00816.73
8.0.80.0040.01116.78
8.0.70.0000.00716.77
8.0.60.0050.00216.75
8.0.50.0000.00716.92
8.0.30.0120.00417.16
8.0.20.0090.01216.91
8.0.10.0040.00416.93
8.0.00.0070.01116.80
7.4.330.0030.00316.71
7.4.320.0030.00316.46
7.4.300.0060.00016.45
7.4.290.0030.00516.59
7.4.280.0070.00016.54
7.4.270.0000.00816.32
7.4.260.0070.00013.18
7.4.250.0000.00716.51
7.4.240.0020.00516.51
7.4.230.0000.00716.61
7.4.220.0050.00216.54
7.4.210.0030.01416.57
7.4.200.0030.00316.30
7.4.130.0150.01216.49
7.4.120.0120.00616.45
7.4.110.0160.00016.54
7.4.100.0180.00616.41
7.4.90.0100.00716.47
7.4.80.0100.00719.39
7.4.70.0100.00716.45
7.4.60.0070.01416.54
7.4.50.0040.01516.29
7.4.40.0100.01016.52
7.4.10.0150.00014.51
7.4.00.0110.00414.84
7.3.330.0000.00716.24
7.3.320.0050.00013.13
7.3.310.0030.00316.27
7.3.300.0050.00216.15
7.3.290.0090.00616.25
7.3.280.0070.01016.16
7.3.260.0150.00316.37
7.3.240.0100.00716.36
7.3.230.0090.01316.34
7.3.210.0100.00716.39
7.3.200.0030.01316.60
7.3.190.0100.00616.39
7.3.180.0090.00916.53
7.3.170.0100.00716.37
7.3.160.0080.00816.19
7.3.130.0110.00414.97
7.3.120.0040.01214.70
7.3.110.0040.01714.58
7.3.100.0150.00314.79
7.3.90.0040.01114.51
7.3.80.0040.01114.72
7.3.70.0140.00314.61
7.3.60.0100.01014.38
7.3.50.0110.00814.93
7.3.40.0100.00614.66
7.3.30.0100.00914.57
7.3.20.0070.01014.65
7.3.10.0080.00814.71
7.3.00.0510.00914.43
7.2.330.0140.00916.67
7.2.320.0100.00716.35
7.2.310.0070.01116.57
7.2.300.0030.02016.67
7.2.290.0030.01316.62
7.2.260.0100.00514.86
7.2.250.0040.01114.80
7.2.240.0170.00714.79
7.2.230.0060.01214.63
7.2.220.0070.01114.84
7.2.210.0090.01315.02
7.2.200.0150.00314.93
7.2.190.0030.01314.81
7.2.180.0040.01215.12
7.2.170.0150.00314.75
7.2.160.0070.01014.64
7.2.150.0060.01315.16
7.2.140.0110.00814.64
7.2.130.0190.00314.86
7.2.120.0200.00315.07
7.2.110.0060.01014.93
7.2.100.0120.00514.94
7.2.90.0060.01215.14
7.2.80.0130.00914.72
7.2.70.0110.00915.15
7.2.60.0120.00914.87
7.2.50.0100.01015.02
7.2.40.0080.01115.00
7.2.30.0070.01015.06
7.2.20.0130.00915.17
7.2.10.0090.00615.04
7.2.00.0110.00414.69

preferences:
35.9 ms | 403 KiB | 5 Q