3v4l.org

run code in 300+ PHP versions simultaneously
<?php $fp = $fp = fopen(__FILE__, "r"); class classA { public function __toString() { return "Class A object"; } } $a = array(new classA() => 11, @$unset_var => "hello", $fp => 'resource'); var_dump($a); var_dump(array_combine($a, $a));

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)
8.3.70.0190.00016.88
8.3.60.0070.00716.88
8.3.50.0060.01121.98
8.3.40.0100.01018.92
8.3.30.0040.01119.27
8.3.20.0000.00720.30
8.3.10.0040.00423.66
8.3.00.0050.00318.00
8.2.180.0160.00318.73
8.2.170.0090.00922.96
8.2.160.0130.00320.43
8.2.150.0090.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0050.00321.04
8.2.110.0030.00622.25
8.2.100.0040.00717.91
8.2.90.0080.00019.17
8.2.80.0040.00417.97
8.2.70.0050.00317.88
8.2.60.0080.00017.91
8.2.50.0000.00818.07
8.2.40.0040.00419.24
8.2.30.0060.00618.31
8.2.20.0040.00417.87
8.2.10.0050.00218.13
8.2.00.0060.00317.73
8.1.280.0060.00825.92
8.1.270.0060.00323.79
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0030.00623.84
8.1.230.0060.00619.16
8.1.220.0040.00417.74
8.1.210.0090.00018.77
8.1.200.0090.00317.48
8.1.190.0000.00817.35
8.1.180.0080.00318.10
8.1.170.0000.00818.54
8.1.160.0050.00321.93
8.1.150.0040.00418.81
8.1.140.0000.00817.37
8.1.130.0070.00017.70
8.1.120.0000.00817.36
8.1.110.0000.00717.52
8.1.100.0030.00517.42
8.1.90.0030.00317.37
8.1.80.0040.00417.45
8.1.70.0000.00717.38
8.1.60.0050.00317.54
8.1.50.0050.00317.57
8.1.40.0040.00417.57
8.1.30.0080.00017.60
8.1.20.0000.00817.59
8.1.10.0080.00017.54
8.1.00.0050.00317.52
8.0.300.0030.00318.77
8.0.290.0070.00016.88
8.0.280.0030.00318.42
8.0.270.0000.00717.36
8.0.260.0000.00617.37
8.0.250.0030.00317.10
8.0.240.0000.00617.10
8.0.230.0030.00317.04
8.0.220.0060.00016.92
8.0.210.0040.00416.89
8.0.200.0040.00417.12
8.0.190.0030.00417.04
8.0.180.0040.00416.93
8.0.170.0070.00017.05
8.0.160.0000.00716.97
8.0.150.0040.00717.00
8.0.140.0040.00417.01
8.0.130.0030.00313.43
8.0.120.0000.00816.86
8.0.110.0040.00416.91
8.0.100.0000.00717.05
8.0.90.0000.00817.06
8.0.80.0120.00916.92
8.0.70.0070.00017.09
8.0.60.0040.00416.92
8.0.50.0000.00716.91
8.0.30.0100.01217.22
8.0.20.0150.00717.40
8.0.10.0050.00317.11
8.0.00.0080.01016.83
7.4.330.0000.00515.03
7.4.320.0000.00616.64
7.4.300.0030.00316.50
7.4.290.0050.00316.56
7.4.280.0040.00416.50
7.4.270.0000.00716.62
7.4.260.0000.00716.60
7.4.250.0030.00316.46
7.4.240.0050.00316.52
7.4.230.0050.00216.48
7.4.220.0100.01016.46
7.4.210.0100.00716.64
7.4.200.0000.00716.63
7.4.160.0160.00016.54
7.4.150.0100.00717.40
7.4.140.0100.00717.86
7.4.130.0090.00916.54
7.4.120.0080.01016.59
7.4.110.0130.01016.59
7.4.100.0110.00816.45
7.4.90.0090.00916.42
7.4.80.0060.01519.39
7.4.70.0070.01016.75
7.4.60.0030.01316.56
7.4.50.0040.00416.66
7.4.40.0110.00516.71
7.4.30.0000.01716.64
7.4.00.0000.01814.92
7.3.330.0040.00413.45
7.3.320.0030.00313.19
7.3.310.0040.00416.43
7.3.300.0070.00016.32
7.3.290.0050.00916.56
7.3.280.0050.01216.42
7.3.270.0130.00417.40
7.3.260.0090.01216.65
7.3.250.0100.00916.55
7.3.240.0110.00716.43
7.3.230.0080.00816.39
7.3.210.0130.00616.45
7.3.200.0100.00919.39
7.3.190.0130.00816.51
7.3.180.0100.00716.57
7.3.170.0090.00816.43
7.3.160.0110.01116.51
7.3.120.0060.00614.83
7.3.10.0180.00016.46
7.3.00.0170.00316.50
7.2.330.0060.01216.42
7.2.320.0030.01316.67
7.2.310.0100.00716.49
7.2.300.0130.00316.66
7.2.290.0000.01516.54
7.2.130.0120.00916.47
7.2.120.0100.00716.54
7.2.110.0100.00316.54
7.2.100.0120.00916.41
7.2.90.0130.00616.66
7.2.80.0150.00916.41
7.2.70.0150.00416.39
7.2.60.0100.00316.83
7.2.50.0100.01016.79
7.2.40.0100.01616.80
7.2.30.0050.01916.66
7.2.20.0170.00716.43
7.2.10.0100.01216.51
7.2.00.0120.00617.82
7.1.250.0150.00015.70
7.1.200.0090.00315.50
7.1.100.0040.01117.68
7.1.70.0000.01017.02
7.1.60.0110.00817.13
7.1.50.0040.01116.96
7.1.40.0110.00416.71
7.1.30.0060.00616.71
7.1.20.0040.00716.71
7.1.10.0000.01716.71
7.1.00.0000.00716.71
7.0.200.0060.00316.71
7.0.190.0000.00716.71
7.0.180.0030.01016.71
7.0.170.0030.00616.71
7.0.160.0030.00616.71
7.0.150.0040.00416.71
7.0.140.0000.00716.71
7.0.130.0000.01116.71
7.0.120.0070.01416.71
7.0.110.0060.00316.71
7.0.100.0000.00716.71
7.0.90.0040.00416.71
7.0.80.0000.00816.71
7.0.70.0040.00416.71
7.0.60.0000.00816.71
7.0.50.0030.01416.71
7.0.40.0000.01016.71
7.0.30.0040.01116.71
7.0.20.0040.00416.71
7.0.10.0030.00616.71
7.0.00.0000.01016.71
5.6.300.0140.03420.66
5.6.290.0030.05120.66
5.6.280.0030.05121.02
5.6.270.0070.06921.07
5.6.260.0030.04520.88
5.6.250.0030.04120.77
5.6.240.0100.03920.98
5.6.230.0070.04620.86
5.6.220.0030.04420.81
5.6.210.0070.04020.83
5.6.200.0130.06620.77
5.6.190.0560.03020.98
5.6.180.0100.03620.93
5.6.170.0070.04320.81
5.6.160.0070.04020.83
5.6.150.0030.04420.82
5.6.140.0100.04321.04
5.6.130.0060.04220.98
5.6.120.0100.03520.94
5.6.110.0030.04720.87
5.6.100.0070.04820.92
5.6.90.0030.04320.94
5.6.80.0040.03920.38
5.6.70.0030.04320.29
5.6.60.0400.03020.42
5.6.50.0070.04320.40
5.6.40.0030.05520.39
5.6.30.0100.03620.30
5.6.20.0160.02920.31
5.6.10.0030.04020.27
5.6.00.0070.03620.06
5.5.380.0040.04617.46
5.5.370.0000.05017.68
5.5.360.0100.04317.57
5.5.350.0000.04617.52
5.5.340.0060.04818.14
5.5.330.0060.04718.03
5.5.320.0000.04818.00
5.5.310.0100.03617.86
5.5.300.0070.03918.00
5.5.290.0000.04518.13
5.5.280.0030.09218.09
5.5.270.0100.04918.05
5.5.260.0130.05018.09
5.5.250.0030.04517.81
5.5.240.0000.04217.40
5.5.230.0000.04417.39
5.5.220.0030.05217.40
5.5.210.0040.04717.39
5.5.200.0030.03917.06
5.5.190.0000.04417.21
5.5.180.0330.02917.20
5.5.160.0070.03717.44
5.5.150.0070.03817.40
5.5.140.0000.04217.48
5.5.130.0030.03817.44
5.5.120.0030.04217.53
5.5.110.0030.04317.05
5.5.100.0100.03817.33
5.5.90.0030.04917.11
5.5.80.0090.04117.31
5.5.70.0030.03817.30
5.5.60.0070.04016.95
5.5.50.0000.04517.33
5.5.40.0270.03317.10
5.5.30.0140.03916.94
5.5.20.0100.03717.33
5.5.10.0000.04417.36
5.5.00.0160.04617.38
5.4.450.0030.05319.25
5.4.440.0030.08719.44
5.4.430.0030.04419.21
5.4.420.0070.04419.25
5.4.410.0030.03919.41
5.4.400.0070.03918.88
5.4.390.0040.04719.08
5.4.380.0100.03718.89
5.4.370.0030.07419.07
5.4.360.0030.04119.08
5.4.350.0090.03419.08
5.4.340.0040.04319.07
5.4.320.0030.04119.13
5.4.310.0100.03319.13
5.4.300.0030.03919.16
5.4.290.0070.03818.98
5.4.280.0000.04719.05
5.4.270.0030.04519.14
5.4.260.0030.03819.07
5.4.250.0040.04619.06
5.4.240.0070.03719.05
5.4.230.0100.03618.95
5.4.220.0150.03019.23
5.4.210.0000.04918.97
5.4.200.0030.04519.22
5.4.190.0030.04418.98
5.4.180.0130.04019.01
5.4.170.0030.03819.06
5.4.160.0000.04719.19
5.4.150.0130.03219.05
5.4.140.0060.03516.75
5.4.130.0100.03016.71
5.4.120.0030.05716.71
5.4.110.0000.04316.71
5.4.100.0100.03816.73
5.4.90.0000.04216.75
5.4.80.0030.04116.71
5.4.70.0030.04316.71
5.4.60.0000.04916.72
5.4.50.0070.04216.71
5.4.40.0070.03816.71
5.4.30.0000.04016.71
5.4.20.0270.03916.77
5.4.10.0100.03016.71
5.4.00.0040.04016.71
5.3.290.0030.04216.71
5.3.280.0030.04316.71
5.3.270.0030.03916.71
5.3.260.0000.05516.71
5.3.250.0070.03716.71
5.3.240.0030.03916.71
5.3.230.0070.04316.71
5.3.220.0160.03216.71
5.3.210.0000.04416.71
5.3.200.0070.03916.71
5.3.190.0120.03416.71
5.3.180.0030.04716.71
5.3.170.0060.04916.71
5.3.160.0070.03516.71
5.3.150.0130.03316.71
5.3.140.0060.04316.71
5.3.130.0100.03316.71
5.3.120.0040.04016.71
5.3.110.0040.08816.71
5.3.100.0000.04416.71
5.3.90.0100.03616.71
5.3.80.0070.03616.71
5.3.70.0030.04416.71
5.3.60.0060.03816.71
5.3.50.0030.04116.71
5.3.40.0090.03416.71
5.3.30.0030.04216.71
5.3.20.0060.03216.71
5.3.10.0030.04116.71
5.3.00.0040.04216.71

preferences:
40.49 ms | 401 KiB | 5 Q