3v4l.org

run code in 300+ PHP versions simultaneously
<?php $instance = new class {}; $class_name = get_class($instance); $new_instance = new $class_name; class_alias($class_name, 'MyAlias'); var_dump($instance, $class_name, $new_instance, new MyAlias); // $x = "class@anonymous".chr(0).'/foo'; eval("class $x{}"); $d = get_declared_classes(); end($d); var_dump(current($d));

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)
8.3.60.0140.00316.86
8.3.50.0150.00018.05
8.3.40.0070.00718.70
8.3.30.0120.00318.92
8.3.20.0000.00820.24
8.3.10.0040.00423.82
8.3.00.0040.00419.50
8.2.180.0120.00616.88
8.2.170.0070.01022.96
8.2.160.0130.00020.39
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0030.00617.63
8.2.120.0000.00726.35
8.2.110.0030.00720.39
8.2.100.0030.00917.93
8.2.90.0040.00419.31
8.2.80.0030.00617.97
8.2.70.0030.00617.50
8.2.60.0050.00318.04
8.2.50.0080.00018.07
8.2.40.0030.00519.38
8.2.30.0030.00520.51
8.2.20.0070.00317.82
8.2.10.0050.00218.11
8.2.00.0040.00418.13
8.1.280.0040.01225.92
8.1.270.0030.00623.86
8.1.260.0000.00828.09
8.1.250.0070.00028.09
8.1.240.0040.00424.01
8.1.230.0120.00019.57
8.1.220.0000.00817.77
8.1.210.0050.00318.77
8.1.200.0060.00317.22
8.1.190.0080.00017.36
8.1.180.0030.00618.10
8.1.170.0020.00518.59
8.1.160.0040.00421.93
8.1.150.0080.00018.93
8.1.140.0040.00419.47
8.1.130.0000.00817.59
8.1.120.0000.00717.35
8.1.110.0030.00617.37
8.1.100.0000.00717.38
8.1.90.0000.00717.38
8.1.80.0040.00417.48
8.1.70.0070.00017.50
8.1.60.0040.00417.50
8.1.50.0060.00317.44
8.1.40.0040.00417.55
8.1.30.0030.00517.58
8.1.20.0040.00417.62
8.1.10.0040.00417.58
8.1.00.0030.00617.54
8.0.300.0030.00518.77
8.0.290.0040.00416.75
8.0.280.0030.00318.51
8.0.270.0060.00317.28
8.0.260.0000.00717.34
8.0.250.0030.00317.02
8.0.240.0040.00417.00
8.0.230.0000.00717.07
8.0.220.0040.00416.85
8.0.210.0000.00817.04
8.0.200.0030.00317.04
8.0.190.0040.00416.91
8.0.180.0040.00416.98
8.0.170.0080.00016.88
8.0.160.0040.00317.02
8.0.150.0040.00416.79
8.0.140.0030.00416.86
8.0.130.0050.00013.55
8.0.120.0040.00416.89
8.0.110.0070.00017.00
8.0.100.0000.00716.87
8.0.90.0040.00416.77
8.0.80.0190.00016.90
8.0.70.0000.00716.96
8.0.60.0040.00416.79
8.0.50.0000.00816.98
8.0.30.0100.00917.10
8.0.20.0110.00717.40
8.0.10.0080.00017.14
8.0.00.0080.01016.83
7.4.330.0000.00516.96
7.4.320.0000.00716.43
7.4.300.0030.00316.63
7.4.290.0000.00816.60
7.4.280.0000.00816.50
7.4.270.0050.00216.63
7.4.260.0050.00316.60
7.4.250.0040.00416.63
7.4.240.0040.00316.51
7.4.230.0000.00716.52
7.4.220.0060.01616.55
7.4.210.0060.01116.49
7.4.200.0030.00316.41
7.4.160.0040.01216.42
7.4.150.0140.00317.40
7.4.140.0190.00217.86
7.4.130.0070.01416.61
7.4.120.0120.01216.50
7.4.110.0040.01816.57
7.4.100.0110.00916.68
7.4.90.0170.00016.66
7.4.80.0150.00419.39
7.4.70.0030.01816.55
7.4.60.0130.00316.44
7.4.50.0070.00716.63
7.4.40.0140.00716.51
7.4.30.0030.02016.43
7.4.00.0090.00815.10
7.3.330.0000.00513.32
7.3.320.0000.00513.19
7.3.310.0000.00716.23
7.3.300.0000.00716.24
7.3.290.0100.00816.37
7.3.280.0090.00516.36
7.3.270.0090.01217.40
7.3.260.0120.01216.58
7.3.250.0100.01016.47
7.3.240.0100.00816.45
7.3.230.0060.01216.61
7.3.210.0030.01416.38
7.3.200.0140.00316.39
7.3.190.0080.00816.48
7.3.180.0090.00916.36
7.3.170.0080.00816.51
7.3.160.0090.01216.48
7.3.120.0060.01314.93
7.3.110.0060.01214.89
7.3.100.0060.00914.66
7.3.90.0000.01715.05
7.3.80.0080.00315.20
7.3.70.0000.01515.05
7.3.60.0000.00914.91
7.3.50.0070.00715.02
7.3.40.0070.00714.86
7.3.30.0040.00914.66
7.3.20.0040.00716.76
7.3.10.0070.00816.70
7.3.00.0080.00516.61
7.2.330.0060.01716.38
7.2.320.0140.00616.74
7.2.310.0120.00616.54
7.2.300.0120.00616.85
7.2.290.0090.00916.71
7.2.250.0100.01014.79
7.2.240.0100.00715.02
7.2.230.0120.00315.07
7.2.220.0030.00615.22
7.2.210.0050.00515.00
7.2.200.0070.01015.06
7.2.190.0000.01815.02
7.2.180.0130.00315.05
7.2.170.0100.00715.13
7.2.160.0000.01115.05
7.2.150.0070.00716.89
7.2.140.0040.01116.92
7.2.130.0090.00516.86
7.2.120.0050.00816.92
7.2.110.0040.00916.86
7.2.100.0070.00716.90
7.2.90.0070.00716.79
7.2.80.0050.00716.93
7.2.70.0050.01016.93
7.2.60.0050.00916.85
7.2.50.0060.00716.88
7.2.40.0020.01116.97
7.2.30.0030.01216.92
7.2.20.0080.00616.97
7.2.10.0040.00816.97
7.2.00.0050.00717.51
7.1.330.0100.00715.83
7.1.320.0050.00815.96
7.1.310.0040.01215.83
7.1.300.0100.00315.75
7.1.290.0070.00715.77
7.1.280.0030.01415.93
7.1.270.0100.00315.87
7.1.260.0130.00315.79
7.1.250.0060.00715.90
7.1.240.0020.01215.85
7.1.230.0010.01115.83
7.1.220.0070.00615.81
7.1.210.0040.00815.79
7.1.200.0030.00915.88
7.1.190.0070.00515.97
7.1.180.0110.00015.88
7.1.170.0020.01215.88
7.1.160.0050.00915.72
7.1.150.0070.00515.70
7.1.140.0070.00815.78
7.1.130.0090.00315.93
7.1.120.0000.01315.67
7.1.110.0050.00815.77
7.1.100.0060.00716.69
7.1.90.0060.00715.65
7.1.80.0080.00515.88
7.1.70.0040.00616.33
7.1.60.0090.00717.03
7.1.50.0050.01116.22
7.1.40.0050.00815.76
7.1.30.0110.00215.86
7.1.20.0030.00715.63
7.1.10.0050.00815.67
7.1.00.0040.03117.86
7.0.330.0070.00815.28
7.0.320.0060.00615.41
7.0.310.0060.00515.16
7.0.300.0030.00815.56
7.0.290.0060.00615.30
7.0.280.0070.00515.55
7.0.270.0050.00615.37
7.0.260.0060.00815.29
7.0.250.0060.00715.55
7.0.240.0050.00615.59
7.0.230.0080.00515.60
7.0.220.0070.00515.38
7.0.210.0060.00415.48
7.0.200.0080.00715.28
7.0.190.0070.00715.47
7.0.180.0080.00315.36
7.0.170.0020.00815.43
7.0.160.0080.00515.31
7.0.150.0050.00915.32
7.0.140.0110.00115.28
7.0.130.0050.00815.41
7.0.120.0020.01115.56
7.0.110.0020.00915.51
7.0.100.0090.00615.36
7.0.90.0050.00915.46
7.0.80.0050.00815.58
7.0.70.0050.00515.55
7.0.60.0060.03216.72
7.0.50.0010.02116.18
7.0.40.0080.03215.70
7.0.30.0080.02415.80
7.0.20.0130.02015.80
7.0.10.0040.02015.63
7.0.00.0050.01815.62
5.6.400.0140.00014.36
5.6.390.0030.00914.32
5.6.380.0020.01114.05
5.6.370.0110.00214.05
5.6.360.0070.00714.00
5.6.350.0050.00614.14
5.6.340.0070.00513.96
5.6.330.0090.00614.13
5.6.320.0040.00914.17
5.6.310.0020.00714.06
5.6.300.0020.00814.17
5.6.290.0050.00614.16
5.6.280.0020.02416.40
5.6.270.0060.00714.04
5.6.260.0100.00513.88
5.6.250.0080.00514.00
5.6.240.0040.00813.90
5.6.230.0090.00314.12
5.6.220.0050.00614.08
5.6.210.0070.03016.17
5.6.200.0100.03015.44
5.6.190.0050.02816.13
5.6.180.0200.02616.14
5.6.170.0120.02716.14
5.6.160.0080.03016.14
5.6.150.0060.02215.52
5.6.140.0050.02215.33
5.6.130.0070.03115.37
5.6.120.0050.03216.34
5.6.110.0060.02416.45
5.6.100.0070.01616.35
5.6.90.0050.01916.37
5.6.80.0040.03516.22
5.6.70.0070.00814.04
5.6.60.0020.01113.96
5.6.50.0030.00813.80
5.6.40.0020.00714.03
5.6.30.0050.00714.00
5.6.20.0060.00713.93
5.6.10.0070.00413.96
5.6.00.0050.00714.00
5.5.380.0020.00912.57
5.5.370.0030.00812.43
5.5.360.0010.01112.54
5.5.350.1410.01915.08
5.5.340.0020.01914.36
5.5.330.0050.02815.11
5.5.320.0040.02015.11
5.5.310.0110.01414.99
5.5.300.0070.02814.34
5.5.290.0060.02114.42
5.5.280.0070.01915.21
5.5.270.0080.01715.42
5.5.260.0050.01615.22
5.5.250.0090.03015.15
5.5.240.0100.02714.94
5.5.230.0020.00912.37
5.5.220.0040.00512.34
5.5.210.0060.00812.42
5.5.200.0060.00312.54
5.5.190.0040.00412.46
5.5.180.0000.01112.48
5.5.170.0020.00612.54
5.5.160.0070.00212.49
5.5.150.0070.00512.53
5.5.140.0050.00612.53
5.5.130.0050.00512.29
5.5.120.0070.00212.52
5.5.110.0030.00812.51
5.5.100.0040.00712.44
5.5.90.0050.00612.43
5.5.80.0030.00812.25
5.5.70.0060.00412.57
5.5.60.0060.00512.33
5.5.50.0020.00612.23
5.5.40.0060.00612.49
5.5.30.0010.01112.55
5.5.20.0010.00812.44
5.5.10.0060.00612.41
5.5.00.0060.00612.54

preferences:
60.05 ms | 400 KiB | 5 Q