3v4l.org

run code in 300+ PHP versions simultaneously
<?php $variableName = 'obj->foo'; // Create new variable with the name defined in variable $variableName $obj = (object) array( "foo" => "1", "bar" => "2", ); echo ${$variableName}; ${$variableName} = 'MyValue'; //Outputs: string(7) "MyValue" echo $foo;

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)
8.3.60.0140.00318.55
8.3.50.0120.00621.87
8.3.40.0040.01218.71
8.3.30.0070.00718.85
8.3.20.0040.00420.21
8.3.10.0000.00723.56
8.3.00.0040.00419.12
8.2.180.0100.00716.75
8.2.170.0070.01322.96
8.2.160.0060.01122.08
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0030.00519.76
8.2.110.0060.00322.03
8.2.100.0060.00617.97
8.2.90.0080.00017.63
8.2.80.0000.00818.04
8.2.70.0080.00017.93
8.2.60.0000.00817.98
8.2.50.0040.00418.10
8.2.40.0000.00921.07
8.2.30.0050.00219.39
8.2.20.0050.00217.77
8.2.10.0050.00218.12
8.2.00.0080.00017.68
8.1.280.0070.01325.92
8.1.270.0040.00418.86
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0040.00423.94
8.1.230.0040.00718.97
8.1.220.0040.00417.74
8.1.210.0040.00918.77
8.1.200.0060.00317.25
8.1.190.0000.00817.13
8.1.180.0040.00418.10
8.1.170.0040.00418.59
8.1.160.0020.00518.86
8.1.150.0030.00418.80
8.1.140.0000.00717.50
8.1.130.0030.00717.75
8.1.120.0070.00017.34
8.1.110.0000.00717.47
8.1.100.0000.00817.34
8.1.90.0000.00817.37
8.1.80.0070.00017.52
8.1.70.0030.00317.45
8.1.60.0040.00417.57
8.1.50.0060.00317.44
8.1.40.0030.00517.41
8.1.30.0040.00417.68
8.1.20.0030.00617.58
8.1.10.0040.00417.40
8.1.00.0000.00717.34
8.0.300.0040.00419.64
8.0.290.0040.00416.88
8.0.280.0000.00618.41
8.0.270.0000.00717.19
8.0.260.0030.00317.13
8.0.250.0070.00016.98
8.0.240.0080.00016.93
8.0.230.0000.00817.00
8.0.220.0030.00417.02
8.0.210.0030.00316.93
8.0.200.0030.00317.00
8.0.190.0080.00317.04
8.0.180.0000.00717.04
8.0.170.0000.00817.03
8.0.160.0040.00317.00
8.0.150.0080.00016.90
8.0.140.0000.00716.95
8.0.130.0050.00013.38
8.0.120.0080.00016.90
8.0.110.0040.00416.86
8.0.100.0040.00416.73
8.0.90.0040.00417.02
8.0.80.0080.00816.96
8.0.70.0040.00416.75
8.0.60.0050.00216.98
8.0.50.0040.00417.07
8.0.30.0120.01217.06
8.0.20.0090.01017.40
8.0.10.0080.00016.93
8.0.00.0120.00716.82
7.4.330.0000.00515.05
7.4.320.0070.00016.44
7.4.300.0030.00316.47
7.4.290.0000.00716.63
7.4.280.0040.00416.37
7.4.270.0030.00516.61
7.4.260.0040.00416.60
7.4.250.0000.00816.52
7.4.240.0040.00316.54
7.4.230.0030.00316.30
7.4.220.0060.01216.40
7.4.210.0060.00916.69
7.4.200.0000.00716.55
7.4.160.0110.01116.44
7.4.150.0070.01017.40
7.4.140.0070.01017.86
7.4.130.0100.00616.46
7.4.120.0060.01116.55
7.4.110.0090.01216.51
7.4.100.0130.01016.59
7.4.90.0030.01316.59
7.4.80.0110.01219.39
7.4.70.0290.01716.54
7.4.60.0080.00816.42
7.4.50.0030.00316.23
7.4.40.0130.00316.48
7.4.30.0120.00616.59
7.4.00.0030.01414.77
7.3.330.0060.00013.09
7.3.320.0020.00213.06
7.3.310.0030.00316.32
7.3.300.0070.00016.24
7.3.290.0100.00616.33
7.3.280.0070.00816.28
7.3.270.0130.00317.40
7.3.260.0060.01016.43
7.3.250.0110.00816.31
7.3.240.0000.01716.45
7.3.230.0100.00616.41
7.3.210.0060.01016.41
7.3.200.0120.00619.39
7.3.190.0120.00916.38
7.3.180.0130.00316.34
7.3.170.0090.00916.46
7.3.160.0070.01016.34
7.3.10.0130.00016.38
7.3.00.0060.00316.60
7.2.330.0100.00616.52
7.2.320.0140.00316.49
7.2.310.0030.01516.57
7.2.300.0100.00716.64
7.2.290.0150.01116.44
7.2.130.0100.00316.75
7.2.120.0060.01616.57
7.2.110.0070.01016.38
7.2.100.0040.01216.44
7.2.90.0110.00416.54
7.2.80.0100.01016.64
7.2.70.0040.01216.60
7.2.60.0100.00716.61
7.2.50.0140.00516.41
7.2.40.0000.01916.27
7.2.30.0090.00616.75
7.2.20.0140.00016.41
7.2.10.0170.00316.25
7.2.00.0080.00718.18
7.1.250.0100.00715.36
7.1.200.0040.00815.43
7.1.100.0040.01117.96
7.1.70.0000.00717.04
7.1.60.0150.01119.22
7.1.50.0060.01516.93
7.1.00.0000.08022.46
7.0.200.0000.00716.87
7.0.140.0000.07721.97
7.0.60.0070.06320.03
7.0.50.0030.04017.88
7.0.40.0100.08319.90
7.0.30.0370.07320.17
7.0.20.0300.08320.20
7.0.10.0000.05720.16
7.0.00.0130.08020.03
5.6.280.0030.07320.77
5.6.210.0070.07320.76
5.6.200.0070.06718.22
5.6.190.0170.06320.41
5.6.180.0330.07720.66
5.6.170.0130.04720.41
5.6.160.0100.05020.33
5.6.150.0100.08018.16
5.6.140.0070.06018.15
5.6.130.0130.03718.21
5.6.120.0030.06021.11
5.6.110.0200.07321.13
5.6.100.0130.04721.10
5.6.90.0070.05021.09
5.6.80.0100.03020.39
5.5.350.0230.07720.28
5.5.340.0100.07717.97
5.5.330.0030.08320.45
5.5.320.0230.07320.11
5.5.310.0430.06720.27
5.5.300.0030.04718.01
5.5.290.0100.07318.01
5.5.280.0130.06720.64
5.5.270.0170.04020.79
5.5.260.0100.08320.76
5.5.250.0070.04720.68
5.5.240.0070.06720.28
5.4.450.0830.04719.45
5.4.440.1100.07719.41
5.4.430.0500.06019.32
5.4.420.0630.06019.22
5.4.410.0800.04019.09
5.4.400.0730.05719.16
5.4.390.0830.05319.12
5.4.380.0200.06318.59
5.4.370.0170.06018.50
5.4.360.0300.05718.77
5.4.350.0270.05018.50
5.4.340.0200.06018.64
5.4.320.0230.05718.61
5.4.310.0270.04718.65
5.4.300.0300.05718.68
5.4.290.0230.05018.77
5.4.280.0130.06018.71
5.4.270.0300.04718.56
5.4.260.0100.06718.45
5.4.250.0400.05718.69
5.4.240.0200.05718.64
5.4.230.0270.04718.51
5.4.220.0230.05718.59
5.4.210.0200.05318.48
5.4.200.0170.05316.48
5.4.190.0230.04718.66
5.4.180.0200.05018.68
5.4.170.0230.05718.59
5.4.160.0200.05718.70
5.4.150.0270.05018.63
5.4.140.0330.04716.20
5.4.130.0170.05316.22
5.4.120.0170.05716.25
5.4.110.0270.04716.03
5.4.100.0100.06316.19
5.4.90.0300.04316.35
5.4.80.0130.05716.24
5.4.70.0170.06016.05
5.4.60.0170.05716.14
5.4.50.0200.05316.21
5.4.40.0270.04716.25
5.4.30.0200.05016.04
5.4.20.0330.04016.26
5.4.10.0270.04316.11
5.4.00.0170.05315.59
5.3.290.0170.06014.57
5.3.280.0100.06714.58
5.3.270.0330.06314.66
5.3.260.0270.07314.60
5.3.250.0200.05314.59
5.3.240.0200.05714.51
5.3.230.0200.05314.58
5.3.220.0330.04314.47
5.3.210.0300.04714.47
5.3.200.0270.04314.59
5.3.190.0100.06314.51
5.3.180.0200.05314.54
5.3.170.0170.05714.65
5.3.160.0270.04314.48
5.3.150.0270.04714.55
5.3.140.0200.05314.55
5.3.130.0270.05014.63
5.3.120.0270.04714.57
5.3.110.0230.05314.44
5.3.100.0170.05713.93
5.3.90.0170.05713.93
5.3.80.0230.04713.98
5.3.70.0300.04014.00
5.3.60.0270.04713.90
5.3.50.0130.06314.02
5.3.40.0300.04313.92
5.3.30.0300.06013.88
5.3.20.0200.05313.72
5.3.10.0370.05013.74
5.3.00.0230.05013.71
5.2.170.0230.03711.13
5.2.160.0200.04011.01
5.2.150.0270.03711.13
5.2.140.0170.04011.27
5.2.130.0130.04311.04
5.2.120.0200.03711.08
5.2.110.0200.04311.01
5.2.100.0170.05011.04
5.2.90.0270.03011.25
5.2.80.0200.04311.07
5.2.70.0170.04311.09
5.2.60.0170.04311.02
5.2.50.0230.04010.96
5.2.40.0130.04011.02
5.2.30.0170.04010.95
5.2.20.0300.02711.11
5.2.10.0170.03710.93
5.2.00.0130.04010.71
5.1.60.0130.03310.03
5.1.50.0200.0279.99
5.1.40.0100.0379.98
5.1.30.0130.04710.48
5.1.20.0070.04310.36
5.1.10.0200.03310.08
5.1.00.0130.03710.04
5.0.50.0030.0338.52
5.0.40.0030.0338.50
5.0.30.0070.0478.29
5.0.20.0030.0338.28
5.0.10.0100.0278.20
5.0.00.0130.0508.18
4.4.90.0070.0276.80
4.4.80.0070.0236.80
4.4.70.0070.0206.80
4.4.60.0070.0306.80
4.4.50.0130.0176.80
4.4.40.0130.0306.80
4.4.30.0070.0236.80
4.4.20.0070.0276.80
4.4.10.0070.0276.80
4.4.00.0130.0306.80
4.3.110.0070.0236.80
4.3.100.0100.0236.80
4.3.90.0100.0236.80
4.3.80.0130.0336.80
4.3.70.0030.0276.80
4.3.60.0130.0176.80
4.3.50.0100.0206.80
4.3.40.0070.0336.80
4.3.30.0030.0236.80
4.3.20.0000.0306.80
4.3.10.0030.0236.80
4.3.00.0100.0237.57

preferences:
71.89 ms | 401 KiB | 5 Q