3v4l.org

run code in 300+ PHP versions simultaneously
<?php gc_enable(); class x { public $value; public function __construct($value) { $this->value = $value; } } $array = array(); for($i = 0; $i < 50000; $i++) { $array[] = md5('Hallo'); } $x = new x($array); var_dump(number_format(memory_get_usage(), 0, ',', '.')) . "\n"; var_dump(number_format(memory_get_usage(true), 0,',','.')) . "\n"; unset($array); unset($x); gc_collect_cycles(); sleep(0); var_dump(number_format(memory_get_usage(), 0, ',', '.')) . "\n"; var_dump(number_format(memory_get_usage(true), 0,',','.')) . "\n";

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)
7.4.10.0200.02021.13
7.4.00.0130.02021.27
7.3.130.0130.02621.19
7.3.120.0100.02821.21
7.3.110.0070.02820.82
7.3.100.0100.03120.94
7.3.90.0160.02321.00
7.3.80.0100.01721.32
7.3.70.0100.01721.19
7.3.60.0130.02221.07
7.3.50.0070.01921.00
7.3.40.0070.02720.89
7.3.30.0070.02321.05
7.3.20.0000.02321.97
7.3.10.0110.01521.05
7.3.00.0070.01920.97
7.2.260.0140.02721.34
7.2.250.0170.02021.48
7.2.240.0060.03621.34
7.2.230.0100.03321.07
7.2.220.0100.03021.07
7.2.210.0130.01321.41
7.2.200.0090.02821.17
7.2.190.0100.01921.03
7.2.180.0030.02621.30
7.2.170.0060.02421.36
7.2.160.0060.02221.40
7.2.150.0070.02022.33
7.2.140.0070.02022.34
7.2.130.0040.02621.13
7.2.120.0040.02121.07
7.2.110.0020.02521.21
7.2.100.0090.01821.13
7.2.90.0110.01721.10
7.2.80.0030.02121.17
7.2.70.0090.02021.11
7.2.60.0060.02221.22
7.2.50.0070.01921.23
7.2.40.0100.01921.16
7.2.30.0110.02121.11
7.2.20.0090.01921.06
7.2.10.0010.02621.14
7.2.00.0070.01921.84
7.1.330.0030.03721.40
7.1.320.0040.02521.35
7.1.310.0170.01721.25
7.1.300.0000.03321.32
7.1.290.0070.02821.30
7.1.280.0030.02821.27
7.1.270.0090.02121.21
7.1.260.0030.02421.15
7.1.250.0090.02320.14
7.1.240.0100.02021.12
7.1.230.0070.02721.30
7.1.220.0060.02121.09
7.1.210.0160.01621.23
7.1.200.0000.02921.34
7.1.190.0070.02321.25
7.1.180.0000.03021.19
7.1.170.0070.02421.22
7.1.160.0030.02421.32
7.1.150.0090.02521.14
7.1.140.0070.02321.33
7.1.130.0030.02221.25
7.1.120.0030.02721.13
7.1.110.0070.03521.14
7.1.100.0070.03421.34
7.1.90.0040.03521.02
7.1.80.0040.02821.32
7.1.70.0030.02221.25
7.1.60.0110.02821.19
7.1.50.0070.03820.83
7.1.40.0100.03021.09
7.1.30.0070.02121.27
7.1.20.0100.02321.26
7.1.10.0060.02921.15
7.1.00.0080.05723.69
7.0.330.0060.02821.09
7.0.320.0100.02421.01
7.0.310.0070.02321.17
7.0.300.0030.02921.19
7.0.290.0100.02320.95
7.0.280.0070.02221.18
7.0.270.0060.02620.81
7.0.260.0070.02220.71
7.0.250.0030.03120.98
7.0.240.0030.03520.95
7.0.230.0070.02220.89
7.0.220.0000.02720.92
7.0.210.0030.02321.09
7.0.200.0050.02220.79
7.0.190.0030.03420.83
7.0.180.0000.02821.02
7.0.170.0030.03021.08
7.0.160.0100.02020.90
7.0.150.0060.02521.30
7.0.140.0070.05723.61
7.0.130.0070.02320.93
7.0.120.0030.02621.17
7.0.110.0030.03420.74
7.0.100.0030.02420.99
7.0.90.0030.02921.04
7.0.80.0100.02321.06
7.0.70.0070.02721.10
7.0.60.0220.05022.88
7.0.50.0080.03721.82
7.0.40.0090.03918.97
7.0.30.0220.05919.08
7.0.20.0200.05918.89
7.0.10.0070.05218.91
7.0.00.0100.03919.06
5.6.400.0030.05125.85
5.6.390.0130.03525.43
5.6.380.0030.04425.54
5.6.370.0100.03925.78
5.6.360.0070.04225.76
5.6.350.0100.04225.79
5.6.340.0100.03525.80
5.6.330.0070.03825.84
5.6.320.0140.03825.79
5.6.310.0200.02725.42
5.6.300.0100.04325.49
5.6.290.0070.04025.49
5.6.280.0080.07128.16
5.6.270.0130.03925.59
5.6.260.0070.04725.20
5.6.250.0030.04425.79
5.6.240.0000.05225.61
5.6.230.0100.03725.87
5.6.220.0130.03225.63
5.6.210.0100.06328.03
5.6.200.0140.05126.75
5.6.190.0200.06827.85
5.6.180.0330.06328.06
5.6.170.0180.06527.75
5.6.160.0130.07327.78
5.6.150.0140.06326.64
5.6.140.0080.06926.69
5.6.130.0100.05026.73
5.6.120.0150.07328.08
5.6.110.0070.06328.15
5.6.100.0170.05728.26
5.6.90.0100.07028.18
5.6.80.0050.07027.91
5.6.70.0100.03625.53
5.6.60.0130.03925.79
5.6.50.0030.05225.49
5.6.40.0130.03525.66
5.6.30.0070.03925.43
5.6.20.0060.04125.52
5.6.10.0030.03825.52
5.6.00.0060.05825.71
5.5.380.0100.04025.65
5.5.370.0030.05125.62
5.5.360.0130.04025.79
5.5.350.0270.07127.78
5.5.340.0120.07026.65
5.5.330.0130.05427.68
5.5.320.0070.05727.77
5.5.310.0230.06227.78
5.5.300.0200.07026.54
5.5.290.0130.06226.64
5.5.280.0100.07328.09
5.5.270.0050.05927.97
5.5.260.0110.07328.16
5.5.250.0100.05027.93
5.5.240.0120.05727.58
5.5.230.0070.04525.65
5.5.220.0200.02725.40
5.5.210.0130.03525.63
5.5.200.0100.03825.46
5.5.190.0070.04425.53
5.5.180.0070.04025.64
5.5.170.0070.04325.51
5.5.160.0190.03525.60
5.5.150.0160.04225.45
5.5.140.0130.04425.61
5.5.130.0160.03625.62
5.5.120.0070.03725.62
5.5.110.0230.03925.63
5.5.100.0100.04125.53
5.5.90.0170.04025.57
5.5.80.0220.02625.57
5.5.70.0070.03625.55
5.5.60.0070.03625.50
5.5.50.0070.05225.46
5.5.40.0230.03025.63
5.5.30.0130.03625.47
5.5.20.0220.02525.52
5.5.10.0100.03625.64
5.5.00.0230.02925.33
5.4.450.0180.05225.61
5.4.440.0220.05725.69
5.4.430.0170.04525.68
5.4.420.0320.04425.71
5.4.410.0200.07225.59
5.4.400.0200.05025.54
5.4.390.0220.05525.39
5.4.380.0230.04825.50
5.4.370.0180.05025.63
5.4.360.0330.04325.34
5.4.350.0230.04125.54
5.4.340.0200.04425.37
5.4.330.0200.03722.35
5.4.320.0220.05025.61
5.4.310.0200.04925.65
5.4.300.0210.04725.54
5.4.290.0220.04725.46
5.4.280.0180.04825.39
5.4.270.0220.05425.52
5.4.260.0180.04925.49
5.4.250.0220.05025.54
5.4.240.0220.05025.57
5.4.230.0200.04725.44
5.4.220.0170.04725.33
5.4.210.0220.05325.56
5.4.200.0180.07625.51
5.4.190.0180.05625.62
5.4.180.0180.05225.46
5.4.170.0180.05125.55
5.4.160.0180.05225.31
5.4.150.0270.05325.44
5.4.140.0260.06224.22
5.4.130.0280.06824.23
5.4.120.0180.06524.13
5.4.110.0240.05724.18
5.4.100.0200.05624.03
5.4.90.0200.05624.13
5.4.80.0130.05124.27
5.4.70.0180.06124.19
5.4.60.0250.04624.15
5.4.50.0230.04224.03
5.4.40.0280.05124.06
5.4.30.0280.05624.13
5.4.20.0220.06224.13
5.4.10.0280.05924.10
5.4.00.0270.05723.87
5.3.290.0330.05324.19
5.3.280.0330.05324.02
5.3.270.0400.10023.95
5.3.260.0330.06024.04
5.3.250.0430.09324.04
5.3.240.0300.08324.09
5.3.230.0300.07724.03
5.3.220.0330.05323.93
5.3.210.0370.09724.05
5.3.200.0370.09724.02
5.3.190.0300.07723.91
5.3.180.0470.09724.00
5.3.170.0330.07023.92
5.3.160.0370.05324.05
5.3.150.0330.07323.94
5.3.140.0330.06024.04
5.3.130.0300.06324.20
5.3.120.0330.10324.07
5.3.110.0370.10724.07
5.3.100.0300.05723.55
5.3.90.0230.07723.45
5.3.80.0430.08023.29
5.3.70.0370.09023.39
5.3.60.0270.09723.45
5.3.50.0330.07023.24
5.3.40.0400.07323.39
5.3.30.0430.05723.21
5.3.20.0330.06323.15
5.3.10.0270.08023.14
5.3.00.0430.09023.03
5.2.170.0230.03011.07
5.2.160.0430.02311.32
5.2.150.0230.03311.08
5.2.140.0300.02711.10
5.2.130.0270.05711.20
5.2.120.0230.03011.04
5.2.110.0230.04711.03
5.2.100.0230.05311.04
5.2.90.0330.05011.04
5.2.80.0270.04011.02
5.2.70.0270.04011.19
5.2.60.0270.03311.28
5.2.50.0330.03311.06
5.2.40.0200.03010.92
5.2.30.0200.03010.89
5.2.20.0230.02710.97
5.2.10.0300.03310.79
5.2.00.0370.03310.65
5.1.60.0230.0309.99
5.1.50.0330.02310.09
5.1.40.0330.0479.99
5.1.30.0330.04710.25
5.1.20.0300.04710.29
5.1.10.0330.02010.06
5.1.00.0300.0279.98
5.0.50.0200.0378.56
5.0.40.0170.0408.35
5.0.30.0130.0338.39
5.0.20.0100.0208.20
5.0.10.0130.0378.15
5.0.00.0200.0478.15
4.4.90.0100.0338.15
4.4.80.0100.0278.15
4.4.70.0100.0208.15
4.4.60.0130.0278.15
4.4.50.0130.0208.15
4.4.40.0100.0278.15
4.4.30.0170.0308.15
4.4.20.0130.0178.15
4.4.10.0100.0208.15
4.4.00.0100.0308.15
4.3.110.0130.0308.15
4.3.100.0170.0308.15
4.3.90.0070.0178.15
4.3.80.0130.0508.15
4.3.70.0200.0278.15
4.3.60.0130.0238.15
4.3.50.0100.0208.15
4.3.40.0100.0278.15
4.3.30.0070.0208.15
4.3.20.0130.0308.15
4.3.10.0070.0178.15
4.3.00.0030.0308.15

preferences:
37.78 ms | 401 KiB | 5 Q