3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Memory leak somewhere around __set? class A { var $data = array(); function __get($k) { return $this->data[$k]; } function __set($k, $v) { return $this->data[$k] = $v; } } $b = new A(); for ($i = 0; $i < 500000; $i++) $b->{"a$i"} = 'abc'; var_dump(memory_get_usage()); // int(78318488) - why so big? $c = clone $b; unset($b); var_dump(memory_get_usage()); // int(42220972) - OK unset($c); $b = new A(); for ($i = 0; $i < 500000; $i++) $b->__set("a$i", 'abc'); var_dump(memory_get_usage()); // int(42221492) - OK

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)
7.4.10.0570.32349.25
7.4.00.0550.26349.29
7.3.130.0760.31249.29
7.3.120.0410.31449.27
7.3.110.0530.21349.36
7.3.100.0400.21949.35
7.3.90.0380.25149.27
7.3.80.0400.26649.11
7.3.70.0550.24449.13
7.3.60.0430.28849.11
7.3.50.0380.24649.24
7.3.40.0450.17849.29
7.3.30.0410.25849.23
7.3.20.0330.19650.47
7.3.10.1010.18150.60
7.3.00.0590.21450.60
7.2.260.0460.25147.38
7.2.250.0570.34447.62
7.2.240.0500.30447.47
7.2.230.0320.28847.44
7.2.220.0410.25947.34
7.2.210.0430.20047.55
7.2.200.0380.20947.48
7.2.190.0520.25647.38
7.2.180.0430.28047.41
7.2.170.0480.23447.64
7.2.160.0530.33247.38
7.2.150.0340.19748.96
7.2.140.0260.24548.86
7.2.130.0860.23048.83
7.2.120.0640.28448.95
7.2.110.0700.21648.81
7.2.100.0820.22848.64
7.2.90.1020.22348.83
7.2.80.1750.22348.68
7.2.70.1100.24248.84
7.2.60.1450.21748.82
7.2.50.0960.24248.76
7.2.40.1160.20849.04
7.2.30.1420.24248.71
7.2.20.1940.21748.74
7.2.10.0600.21548.76
7.2.00.0620.20149.60
7.1.330.0070.34947.80
7.1.320.0180.38647.77
7.1.310.0180.34447.60
7.1.300.0130.32147.65
7.1.290.0180.36847.79
7.1.280.0280.35847.84
7.1.270.0250.34347.69
7.1.260.0170.33647.80
7.1.250.0510.28947.74
7.1.240.0230.37847.55
7.1.230.0230.30047.66
7.1.220.0340.31347.72
7.1.210.0270.29547.50
7.1.200.4280.30547.86
7.1.190.0200.28347.59
7.1.180.0130.37647.68
7.1.170.0300.29947.90
7.1.160.0230.31547.87
7.1.150.0230.35347.83
7.1.140.0230.38447.55
7.1.130.0640.29847.82
7.1.120.0450.29247.68
7.1.110.0370.30047.82
7.1.100.0230.35547.52
7.1.90.0270.26347.65
7.1.80.0370.28547.75
7.1.70.0230.22448.52
7.1.60.0140.23148.71
7.1.50.0230.16245.37
7.1.40.0260.22247.69
7.1.30.0430.27447.77
7.1.20.0200.01215.55
7.1.10.0170.28847.65
7.1.00.0280.26251.06
7.0.330.0400.42269.40
7.0.320.0460.34769.52
7.0.310.0150.35769.39
7.0.300.1050.29269.31
7.0.290.0360.30669.05
7.0.280.0140.40069.46
7.0.270.0230.35669.44
7.0.260.0630.33869.44
7.0.250.0650.36369.39
7.0.240.0410.33869.41
7.0.230.0400.30869.49
7.0.220.0610.32769.21
7.0.210.0440.31669.24
7.0.200.5720.22265.19
7.0.190.0630.29069.36
7.0.180.0420.31269.59
7.0.170.0270.32769.37
7.0.160.0630.29369.46
7.0.150.0560.20169.20
7.0.140.0260.29472.56
7.0.130.0400.35969.41
7.0.120.0450.31969.30
7.0.110.0270.33769.09
7.0.100.0700.30071.53
7.0.90.0530.29671.45
7.0.80.0630.29871.39
7.0.70.0470.26971.46
7.0.60.0450.31371.48
7.0.50.0560.30271.60
7.0.40.0420.28252.08
7.0.30.0390.28752.08
7.0.20.0410.27752.02
7.0.10.0380.31351.95
7.0.00.0450.28551.95
5.6.400.0480.32979.18
5.6.390.0360.37178.96
5.6.380.0430.27279.09
5.6.370.0240.28779.08
5.6.360.0360.29478.96
5.6.350.0200.32479.34
5.6.340.0440.28279.31
5.6.330.0370.24278.93
5.6.320.0170.00410.34
5.6.310.0200.00510.34
5.6.300.0590.26379.08
5.6.290.0490.23179.47
5.6.280.0500.26678.85
5.6.270.0360.26079.00
5.6.260.0650.22578.82
5.6.250.0530.25482.20
5.6.240.0350.26282.25
5.6.230.0360.26782.13
5.6.220.0370.24682.20
5.6.210.0270.24882.17
5.6.200.0270.24082.46
5.6.190.0270.26082.33
5.6.180.0370.26782.59
5.6.170.0530.21582.34
5.6.160.0270.27882.34
5.6.150.0400.28282.41
5.6.140.0450.20782.60
5.6.130.0240.24782.36
5.6.120.0360.27982.42
5.6.110.0350.25582.32
5.6.100.0410.26782.66
5.6.90.0330.22282.24
5.6.80.0300.24182.13
5.6.70.0220.25782.01
5.6.60.0350.24882.05
5.6.50.0250.25082.13
5.6.40.0380.24181.99
5.6.30.0380.24682.00
5.6.20.0310.26482.17
5.6.10.0400.24782.21
5.6.00.0540.24182.05
5.5.380.0240.24982.21
5.5.370.0240.27382.13
5.5.360.0210.26282.04
5.5.350.0300.26382.09
5.5.340.0330.23282.40
5.5.330.0370.23282.26
5.5.320.0230.27082.34
5.5.310.0260.25382.10
5.5.300.0430.25082.40
5.5.290.0350.25782.32
5.5.280.0330.27182.21
5.5.270.0270.26082.24
5.5.260.0350.24282.16
5.5.250.0270.24682.26
5.5.240.0470.25281.98
5.5.230.0290.25981.99
5.5.220.0400.23082.03
5.5.210.0300.25781.93
5.5.200.0290.24981.73
5.5.190.0360.24881.89
5.5.180.0270.25582.02
5.5.170.0510.25078.96
5.5.160.0400.23381.89
5.5.150.0310.24181.92
5.5.140.0370.24681.87
5.5.130.0490.25181.84
5.5.120.0380.23181.86
5.5.110.0400.25281.91
5.5.100.0470.24381.88
5.5.90.0220.24781.74
5.5.80.0290.23581.95
5.5.70.0360.23881.91
5.5.60.0270.23281.92
5.5.50.0400.24481.96
5.5.40.0240.23981.78
5.5.30.0340.24081.95
5.5.20.0360.24681.80
5.5.10.0310.24581.73
5.5.00.0400.25181.75
5.4.450.0420.24180.03
5.4.440.0310.23779.96
5.4.430.0440.23479.91
5.4.420.0300.25579.93
5.4.410.0260.24880.08
5.4.400.0240.24279.65
5.4.390.0400.25079.64
5.4.380.0290.25379.79
5.4.370.0330.27079.78
5.4.360.0270.24579.86
5.4.350.0320.23879.92
5.4.340.0320.24579.64
5.4.330.0290.24475.63
5.4.320.0280.24379.66
5.4.310.0330.24279.58
5.4.300.0250.26679.62
5.4.290.0290.26679.52
5.4.280.0280.24379.67
5.4.270.0280.24179.86
5.4.260.0340.24379.69
5.4.250.0310.24979.59
5.4.240.0290.26779.63
5.4.230.0500.23179.80
5.4.220.0200.27679.73
5.4.210.0270.21879.63
5.4.200.0240.23079.90
5.4.190.0250.24579.75
5.4.180.0640.19179.79
5.4.170.0300.20979.58
5.4.160.0440.21979.61
5.4.150.0200.22479.57
5.4.140.0310.23578.45
5.4.130.0270.26278.54
5.4.120.0250.22278.47
5.4.110.0230.25478.40
5.4.100.0450.20878.54
5.4.90.0420.21378.36
5.4.80.0240.23878.40
5.4.70.0380.23678.30
5.4.60.0300.25678.46
5.4.50.0220.25478.42
5.4.40.0330.23378.42
5.4.30.0320.26478.43
5.4.20.0300.26178.38
5.4.10.0230.24978.46
5.4.00.0300.25278.19
5.3.290.0100.25377.67
5.3.280.0270.25077.63
5.3.270.0170.23077.58
5.3.260.0130.21377.73
5.3.250.0300.22077.65
5.3.240.0200.20077.56
5.3.230.0030.21377.64
5.3.220.0130.20777.71
5.3.210.0170.20077.64
5.3.200.0270.19777.66
5.3.190.0270.20377.68
5.3.180.0170.25777.60
5.3.170.0330.22377.68
5.3.160.0330.23377.53
5.3.150.0200.24377.57
5.3.140.0270.26077.65
5.3.130.0400.23377.67
5.3.120.0230.28377.59
5.3.110.0170.25377.57
5.3.100.0270.26377.06
5.3.90.0170.22376.98
5.3.80.0270.19776.98
5.3.70.0130.25076.97
5.3.60.0400.25376.94
5.3.50.0200.24376.98
5.3.40.0330.24776.88
5.3.30.0230.27077.02
5.3.20.0170.20776.79
5.3.10.0200.20776.74
5.3.00.0130.28076.68
5.2.170.0230.30375.23
5.2.160.0500.26074.69
5.2.150.0130.27774.79
5.2.140.0400.27074.72
5.2.130.0330.26074.74
5.2.120.0330.28374.59
5.2.110.0300.25074.54
5.2.100.0170.25774.64
5.2.90.0370.26074.74
5.2.80.0470.25774.68
5.2.70.0100.27774.66
5.2.60.0230.24074.47
5.2.50.0230.30374.68
5.2.40.0130.28774.59
5.2.30.0370.28774.71
5.2.20.0230.28374.73
5.2.10.0200.29074.56
5.2.00.0430.513159.79
5.1.60.0530.583200.82
5.1.50.0370.617200.79
5.1.40.0570.613200.77
5.1.30.0400.600201.18
5.1.20.0770.547200.98
5.1.10.0570.570200.67
5.1.00.0070.05310.09
5.0.50.0370.610119.05
5.0.40.0500.570118.89
5.0.30.0170.630118.57
5.0.20.0500.563118.61
5.0.10.0330.587118.58
5.0.00.0300.640118.78
4.4.90.0000.0377.83
4.4.80.0030.0337.83
4.4.70.0030.0337.83
4.4.60.0070.0177.83
4.4.50.0030.0337.83
4.4.40.0000.0277.83
4.4.30.0000.0407.83
4.4.20.0030.0137.83
4.4.10.0000.0337.83
4.4.00.0030.0537.83
4.3.110.0000.0407.83
4.3.100.0030.0377.83
4.3.90.0030.0337.83
4.3.80.0070.0407.83
4.3.70.0000.0407.83
4.3.60.0000.0277.83
4.3.50.0030.0377.83
4.3.40.0000.0477.83
4.3.30.0100.0277.83
4.3.20.0000.0337.83
4.3.10.0000.0207.83
4.3.00.0030.0337.83

preferences:
40.98 ms | 401 KiB | 5 Q