3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public function getFoo() { return "FOO!"; } } class Bar { protected function getClass() { return 'Foo'; } } $a = new Bar(); $b = new ${$a->getClass()}; var_dump($b->getFoo());

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)
8.3.60.0170.00316.50
8.3.50.0100.01221.94
8.3.40.0070.00718.73
8.3.30.0150.00318.57
8.3.20.0040.00420.20
8.3.10.0050.00323.66
8.3.00.0040.00419.79
8.2.180.0070.01116.88
8.2.170.0120.00922.96
8.2.160.0110.00420.32
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00420.94
8.2.120.0090.00026.35
8.2.110.0060.00320.22
8.2.100.0080.00417.80
8.2.90.0040.00419.22
8.2.80.0040.00417.97
8.2.70.0050.00317.63
8.2.60.0000.00917.91
8.2.50.0000.00818.09
8.2.40.0020.00720.30
8.2.30.0030.00320.66
8.2.20.0070.00017.58
8.2.10.0050.00217.91
8.2.00.0040.00417.89
8.1.280.0030.01025.92
8.1.270.0100.01320.12
8.1.260.0040.00428.09
8.1.250.0080.00028.09
8.1.240.0090.00023.92
8.1.230.0000.01119.23
8.1.220.0050.00317.74
8.1.210.0080.00018.77
8.1.200.0000.00917.38
8.1.190.0050.00317.35
8.1.180.0080.00018.10
8.1.170.0060.00318.43
8.1.160.0040.00420.61
8.1.150.0000.00718.69
8.1.140.0050.00319.41
8.1.130.0000.00717.63
8.1.120.0030.00317.44
8.1.110.0000.00817.33
8.1.100.0030.00517.37
8.1.90.0080.00017.39
8.1.80.0030.00517.39
8.1.70.0030.00517.34
8.1.60.0030.00517.47
8.1.50.0040.00417.47
8.1.40.0060.00317.48
8.1.30.0060.00317.60
8.1.20.0040.00417.61
8.1.10.0050.00317.43
8.1.00.0000.00717.54
8.0.300.0070.00018.77
8.0.290.0030.00616.75
8.0.280.0000.00718.37
8.0.270.0040.00417.18
8.0.260.0030.00317.25
8.0.250.0000.00717.01
8.0.240.0040.00416.86
8.0.230.0030.00316.98
8.0.220.0040.00416.92
8.0.210.0050.00316.84
8.0.200.0040.00416.81
8.0.190.0040.00416.96
8.0.180.0000.01016.83
8.0.170.0000.00716.79
8.0.160.0030.00316.96
8.0.150.0060.00316.80
8.0.140.0000.00716.84
8.0.130.0060.00013.35
8.0.120.0050.00316.75
8.0.110.0000.00716.80
8.0.100.0050.00316.87
8.0.90.0000.00816.87
8.0.80.0110.00816.88
8.0.70.0040.00416.77
8.0.60.0050.00316.95
8.0.50.0000.00716.83
8.0.30.0110.00916.85
8.0.20.0070.01517.40
8.0.10.0020.00516.86
8.0.00.0150.00416.79
7.4.330.0000.00516.69
7.4.320.0030.00316.39
7.4.300.0060.00016.40
7.4.290.0070.00016.63
7.4.280.0050.00416.61
7.4.270.0000.00716.50
7.4.260.0030.00316.50
7.4.250.0040.00316.54
7.4.240.0020.00616.56
7.4.230.0030.00316.59
7.4.220.0190.00516.43
7.4.210.0030.01116.42
7.4.200.0080.00016.67
7.4.160.0070.01016.50
7.4.150.0130.00417.40
7.4.140.0110.01317.86
7.4.130.0050.01316.49
7.4.120.0110.00716.51
7.4.110.0100.01316.41
7.4.100.0060.01616.39
7.4.90.0070.01716.63
7.4.80.0070.01319.39
7.4.70.0120.00616.41
7.4.60.0180.00316.58
7.4.50.0060.00516.34
7.4.40.0100.01016.56
7.4.30.0130.00316.64
7.4.10.0000.02216.40
7.4.00.0080.00915.27
7.3.330.0000.00513.16
7.3.320.0030.00313.30
7.3.310.0030.00616.32
7.3.300.0030.00316.19
7.3.290.0080.00716.23
7.3.280.0060.01316.32
7.3.270.0100.01417.40
7.3.260.0080.00916.36
7.3.250.0180.01016.40
7.3.240.0130.00616.32
7.3.230.0070.01016.49
7.3.210.0110.00616.39
7.3.200.0040.01216.23
7.3.190.0100.01316.39
7.3.180.0080.00816.41
7.3.170.0040.01316.38
7.3.160.0140.00716.32
7.3.130.0120.00616.27
7.3.120.0030.01415.38
7.3.110.0090.00915.29
7.3.100.0060.01315.44
7.3.90.0100.00515.50
7.3.80.0070.00615.63
7.3.70.0090.00715.36
7.3.60.0090.00515.49
7.3.50.0040.01215.48
7.3.40.0090.00715.49
7.3.30.0050.01115.45
7.3.20.0090.01017.34
7.3.10.0060.00916.99
7.3.00.0080.00917.11
7.2.330.0100.01316.52
7.2.320.0190.00416.77
7.2.310.0110.00716.55
7.2.300.0080.00816.62
7.2.290.0080.00816.66
7.2.260.0070.01416.27
7.2.250.0070.01015.60
7.2.240.0020.01615.67
7.2.230.0030.01515.58
7.2.220.0020.01415.65
7.2.210.0060.00915.51
7.2.200.0080.00515.71
7.2.190.0080.00815.70
7.2.180.0090.00615.66
7.2.170.0050.01215.66
7.2.160.0090.01216.32
7.2.150.0150.00818.25
7.2.140.0110.01518.30
7.2.130.0070.01217.49
7.2.120.0120.01017.58
7.2.110.0080.01117.62
7.2.100.0070.01217.60
7.2.90.0090.00617.40
7.2.80.0080.00817.50
7.2.70.0040.01117.57
7.2.60.0050.01117.29
7.2.50.0050.01417.54
7.2.40.0090.00517.55
7.2.30.0090.01117.61
7.2.20.0050.01117.60
7.2.10.0130.00417.50
7.2.00.0050.01218.07
7.1.330.0100.00316.32
7.1.320.0060.01116.34
7.1.310.0100.00716.23
7.1.300.0070.01016.30
7.1.290.0090.00816.32
7.1.280.0040.01116.33
7.1.270.0090.00916.35
7.1.260.0090.00916.32
7.1.250.0110.00616.30
7.1.240.0180.00617.13
7.1.230.0110.01117.02
7.1.220.0140.00617.18
7.1.210.0030.01617.13
7.1.200.0110.00216.25
7.1.190.0100.00316.95
7.1.180.0090.01217.04
7.1.170.0050.01417.01
7.1.160.0110.00717.29
7.1.150.0140.00817.13
7.1.140.0040.01617.09
7.1.130.0080.01217.13
7.1.120.0190.00417.07
7.1.110.0000.02017.14
7.1.100.0050.01017.36
7.1.90.0130.00317.21
7.1.80.0120.00317.16
7.1.70.0060.00417.05
7.1.60.0080.01018.10
7.1.50.0100.00916.96
7.1.40.0060.00917.21
7.1.30.0030.01617.11
7.1.20.0070.01417.11
7.1.10.0090.01517.03
7.1.00.0050.04519.79
7.0.330.0160.00616.89
7.0.320.0100.01016.96
7.0.310.0090.00916.73
7.0.300.0100.00616.77
7.0.290.0110.00817.05
7.0.280.0070.01416.72
7.0.270.0130.00916.81
7.0.260.0160.00717.05
7.0.250.0030.01216.82
7.0.240.0070.00716.98
7.0.230.0070.00716.87
7.0.220.0000.01416.64
7.0.210.0040.00916.91
7.0.200.0090.00316.69
7.0.190.0070.01116.87
7.0.180.0110.00016.98
7.0.170.0040.00716.74
7.0.160.0090.00616.94
7.0.150.0060.00916.83
7.0.140.0090.00916.90
7.0.130.0030.01216.89
7.0.120.0060.01216.91
7.0.110.0090.00916.96
7.0.100.0060.01116.92
7.0.90.0060.00917.01
7.0.80.0000.01416.87
7.0.70.0090.00616.77
7.0.60.0130.04318.45
7.0.50.0060.03317.38
7.0.40.0150.01817.54
7.0.30.0130.02617.42
7.0.20.0130.03517.38
7.0.10.0050.03917.48
7.0.00.0050.02617.56
5.6.400.0150.00815.82
5.6.390.0110.00715.61
5.6.380.0040.01616.12
5.6.370.0090.00615.96
5.6.360.0080.01015.77
5.6.350.0000.01616.18
5.6.340.0080.01116.01
5.6.330.0100.00715.83
5.6.320.0110.00815.96
5.6.310.0070.00715.73
5.6.300.0030.01415.75
5.6.290.0070.01015.76
5.6.280.0050.03218.29
5.6.270.0000.01515.98
5.6.260.0070.01015.99
5.6.250.0040.01215.93
5.6.240.0060.01315.95
5.6.230.0000.01515.90
5.6.220.0130.00015.87
5.6.210.0080.04418.18
5.6.200.0020.03216.90
5.6.190.0070.03918.07
5.6.180.0230.04318.11
5.6.170.0210.03618.07
5.6.160.0100.04318.21
5.6.150.0050.04517.02
5.6.140.0120.03717.02
5.6.130.0070.04317.16
5.6.120.0070.04718.39
5.6.110.0070.02418.35
5.6.100.0050.04818.53
5.6.90.0120.03518.39
5.6.80.0020.05018.15
5.6.70.0080.00815.69
5.6.60.0060.00915.82
5.6.50.0060.00615.62
5.6.40.0100.00315.60
5.6.30.0040.00815.60
5.6.20.0080.01115.67
5.6.10.0000.01715.54
5.6.00.0080.00615.65
5.5.380.0120.00015.64
5.5.370.0100.00315.59
5.5.360.0000.01915.70
5.5.350.0140.03618.05
5.5.340.0040.02516.71
5.5.330.0130.02218.02
5.5.320.0140.02717.90
5.5.310.0180.04017.91
5.5.300.0080.02816.87
5.5.290.0050.02516.74
5.5.280.0120.03818.29
5.5.270.0030.04818.18
5.5.260.0050.03518.19
5.5.250.0060.04118.20
5.5.240.0080.04617.99
5.5.230.0060.00615.67
5.5.220.0060.00915.34
5.5.210.0070.01015.29
5.5.200.0080.00315.76
5.5.190.0070.00715.69
5.5.180.0030.00915.48
5.5.170.0000.01215.65
5.5.160.0030.00715.79
5.5.150.0070.00715.59
5.5.140.0000.01315.37
5.5.130.0090.00315.71
5.5.120.0000.01715.75
5.5.110.0000.01515.59
5.5.100.0070.01015.75
5.5.90.0040.01615.82
5.5.80.0080.00815.71
5.5.70.0030.01715.57
5.5.60.0030.01715.70
5.5.50.0120.01015.47
5.5.40.0120.00815.65
5.5.30.0110.01115.75
5.5.20.0170.00615.47
5.5.10.0080.01515.59
5.5.00.0100.01415.30

preferences:
68.01 ms | 401 KiB | 5 Q