3v4l.org

run code in 300+ PHP versions simultaneously
<?php $variableName = 'foo'; // Create new variable with the name defined in variable $variableName $obj = (object) array( "foo" => "1", "bar" => "2", ); echo $obj->{$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)
8.3.60.0160.00318.34
8.3.50.0110.00721.93
8.3.40.0150.00618.46
8.3.30.0140.00019.14
8.3.20.0050.00220.12
8.3.10.0080.00023.56
8.3.00.0040.00419.10
8.2.180.0120.00916.50
8.2.170.0070.01322.96
8.2.160.0060.00922.26
8.2.150.0000.00824.18
8.2.140.0070.00024.66
8.2.130.0080.00026.16
8.2.120.0050.00319.54
8.2.110.0060.00320.32
8.2.100.0040.00817.91
8.2.90.0030.00617.75
8.2.80.0050.00317.97
8.2.70.0080.00017.93
8.2.60.0080.00018.09
8.2.50.0000.00818.10
8.2.40.0030.00521.21
8.2.30.0000.00719.32
8.2.20.0000.00717.72
8.2.10.0000.00718.04
8.2.00.0040.00417.81
8.1.280.0030.01425.92
8.1.270.0060.00318.88
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0000.00923.99
8.1.230.0060.00619.05
8.1.220.0060.00317.79
8.1.210.0000.00818.77
8.1.200.0070.00417.23
8.1.190.0040.00417.25
8.1.180.0080.00018.10
8.1.170.0060.00318.59
8.1.160.0000.00718.95
8.1.150.0020.00518.94
8.1.140.0040.00417.41
8.1.130.0000.00817.86
8.1.120.0070.00017.46
8.1.110.0000.00717.52
8.1.100.0000.00717.46
8.1.90.0080.00017.48
8.1.80.0000.00717.46
8.1.70.0000.00717.29
8.1.60.0060.00317.62
8.1.50.0050.00317.52
8.1.40.0000.00817.50
8.1.30.0030.00617.64
8.1.20.0050.00217.52
8.1.10.0040.00417.50
8.1.00.0030.00517.49
8.0.300.0030.00619.65
8.0.290.0040.00416.58
8.0.280.0040.00418.45
8.0.270.0030.00417.17
8.0.260.0000.00617.30
8.0.250.0040.00416.94
8.0.240.0000.00816.99
8.0.230.0080.00016.88
8.0.220.0000.00716.94
8.0.210.0060.00016.93
8.0.200.0000.00617.03
8.0.190.0000.01017.04
8.0.180.0000.00716.98
8.0.170.0080.00016.96
8.0.160.0000.00716.93
8.0.150.0080.00016.96
8.0.140.0030.00316.98
8.0.130.0000.00613.31
8.0.120.0000.00816.99
8.0.110.0040.00416.86
8.0.100.0040.00416.98
8.0.90.0050.00216.95
8.0.80.0110.01116.95
8.0.70.0050.00216.78
8.0.60.0040.00416.92
8.0.50.0040.00417.01
8.0.30.0120.01317.11
8.0.20.0100.01117.40
8.0.10.0000.00716.99
8.0.00.0100.00816.65
7.4.330.0050.00015.16
7.4.320.0030.00316.53
7.4.300.0060.00016.40
7.4.290.0000.00716.40
7.4.280.0030.00616.58
7.4.270.0040.00416.66
7.4.260.0030.00616.45
7.4.250.0070.00016.43
7.4.240.0000.00816.58
7.4.230.0050.00216.50
7.4.220.0000.01816.49
7.4.210.0100.00616.70
7.4.200.0070.00016.44
7.4.160.0080.00816.39
7.4.150.0090.00917.40
7.4.140.0140.00617.86
7.4.130.0100.00716.47
7.4.120.0080.00816.53
7.4.110.0120.00916.45
7.4.100.0120.00616.60
7.4.90.0070.01016.58
7.4.80.0090.00919.39
7.4.70.0140.00716.56
7.4.60.0100.00616.38
7.4.50.0040.00416.67
7.4.40.0030.01216.50
7.4.30.0130.01016.51
7.4.00.0070.01014.36
7.3.330.0020.00313.14
7.3.320.0030.00213.09
7.3.310.0070.00016.36
7.3.300.0030.00316.41
7.3.290.0050.00916.31
7.3.280.0050.01316.28
7.3.270.0100.01017.40
7.3.260.0160.00716.46
7.3.250.0080.00916.41
7.3.240.0090.00916.23
7.3.230.0040.01316.41
7.3.210.0100.00716.30
7.3.200.0100.01319.39
7.3.190.0140.00316.50
7.3.180.0030.01316.54
7.3.170.0120.00616.27
7.3.160.0160.00016.24
7.3.10.0150.00716.38
7.3.00.0170.00616.35
7.2.330.0080.00816.52
7.2.320.0180.00016.60
7.2.310.0070.01016.72
7.2.300.0090.00616.65
7.2.290.0090.01816.28
7.2.130.0100.01016.55
7.2.120.0160.00416.41
7.2.110.0090.01416.54
7.2.100.0070.01816.26
7.2.90.0200.00416.18
7.2.80.0170.00616.64
7.2.70.0080.01816.47
7.2.60.0220.00316.21
7.2.50.0170.01016.57
7.2.40.0210.00416.46
7.2.30.0150.00616.21
7.2.20.0170.01216.56
7.2.10.0110.00416.04
7.2.00.0180.00717.96
7.1.250.0100.01315.04
7.1.100.0040.00817.79
7.1.70.0050.00517.08
7.1.60.0140.00719.22
7.1.50.0070.01416.83
7.1.00.0070.07322.31
7.0.200.0040.00416.50
7.0.140.0030.03321.90
7.0.60.0130.07320.00
7.0.50.0030.06017.79
7.0.40.0170.08019.98
7.0.30.0500.07320.20
7.0.20.0270.03020.09
7.0.10.0070.09020.04
7.0.00.0030.05319.99
5.6.280.0030.07320.89
5.6.210.0070.08320.50
5.6.200.0070.03718.13
5.6.190.0070.05020.45
5.6.180.0130.05720.60
5.6.170.0300.07720.38
5.6.160.0000.07720.38
5.6.150.0000.04318.15
5.6.140.0100.07318.11
5.6.130.0030.08018.08
5.6.120.0100.08020.97
5.6.110.0100.05321.09
5.6.100.0200.06720.98
5.6.90.0100.07321.12
5.6.80.0030.07020.37
5.6.70.0330.07720.51
5.5.350.0070.07720.44
5.5.340.0030.06718.02
5.5.330.0030.05020.37
5.5.320.0130.04720.26
5.5.310.0300.04320.27
5.5.300.0100.07717.95
5.5.290.0100.04718.01
5.5.280.0030.06320.98
5.5.270.0070.08720.86
5.5.260.0030.04720.72
5.5.250.0100.08020.57
5.5.240.0000.08720.18
5.4.450.0870.05719.49
5.4.440.0930.05719.16
5.4.430.0730.05719.14
5.4.420.0430.05719.37
5.4.410.0700.06019.09
5.4.400.0600.05319.21
5.4.390.0600.05718.93
5.4.380.0130.06318.74
5.4.370.0170.06018.63
5.4.360.0330.04318.63
5.4.350.0270.05318.68
5.4.340.0270.05018.70
5.4.320.0300.05018.71
5.4.310.0200.06018.65
5.4.300.0370.05718.56
5.4.290.0300.05318.53
5.4.280.0370.07018.62
5.4.270.0330.06718.69
5.4.260.0330.05318.71
5.4.250.0230.06018.62
5.4.240.0270.06018.51
5.4.230.0100.06018.61
5.4.220.0300.05018.81
5.4.210.0300.04318.64
5.4.200.0200.05316.63
5.4.190.0200.05318.72
5.4.180.0300.04718.68
5.4.170.0270.07318.67
5.4.160.0170.08318.66
5.4.150.0270.05018.67
5.4.140.0300.04716.23
5.4.130.0200.05016.30
5.4.120.0300.05316.04
5.4.110.0200.05016.25
5.4.100.0270.04716.34
5.4.90.0170.05716.16
5.4.80.0170.06316.14
5.4.70.0230.05316.12
5.4.60.0170.05316.05
5.4.50.0130.06716.27
5.4.40.0270.04716.28
5.4.30.0270.04316.18
5.4.20.0270.04716.18
5.4.10.0170.05716.21
5.4.00.0200.05015.49
5.3.290.0270.05714.75
5.3.280.0230.05014.66
5.3.270.0170.05714.53
5.3.260.0370.04314.52
5.3.250.0200.05314.53
5.3.240.0270.04714.53
5.3.230.0200.05314.57
5.3.220.0230.05014.49
5.3.210.0200.05714.55
5.3.200.0230.04714.55
5.3.190.0200.05014.59
5.3.180.0230.05014.52
5.3.170.0300.04014.54
5.3.160.0170.05314.47
5.3.150.0100.06314.55
5.3.140.0270.04714.65
5.3.130.0230.05014.54
5.3.120.0270.05014.55
5.3.110.0270.04714.63
5.3.100.0400.03713.95
5.3.90.0230.05314.07
5.3.80.0070.06313.96
5.3.70.0230.05014.04
5.3.60.0230.05014.04
5.3.50.0270.05013.86
5.3.40.0230.04714.04
5.3.30.0230.04714.00
5.3.20.0230.04313.68
5.3.10.0330.05713.66
5.3.00.0170.05313.60
5.2.170.0100.04711.11
5.2.160.0230.03011.11
5.2.150.0100.04711.18
5.2.140.0130.04311.18
5.2.130.0070.04711.09
5.2.120.0270.03011.14
5.2.110.0230.03311.04
5.2.100.0100.04311.05
5.2.90.0130.04011.13
5.2.80.0100.05011.15
5.2.70.0170.04311.25
5.2.60.0200.03711.02
5.2.50.0100.04711.17
5.2.40.0130.04011.00
5.2.30.0170.04010.97
5.2.20.0100.04310.91
5.2.10.0100.04310.90
5.2.00.0170.03710.71
5.1.60.0130.03310.10
5.1.50.0100.03710.10
5.1.40.0170.03310.07
5.1.30.0130.03310.36
5.1.20.0070.04310.32
5.1.10.0100.03710.08
5.1.00.0100.03710.16
5.0.50.0100.0308.51
5.0.40.0100.0278.44
5.0.30.0100.0408.34
5.0.20.0070.0278.22
5.0.10.0130.0238.18
5.0.00.0130.0378.14
4.4.90.0030.0276.80
4.4.80.0070.0206.80
4.4.70.0070.0236.80
4.4.60.0130.0176.80
4.4.50.0100.0206.80
4.4.40.0100.0336.80
4.4.30.0070.0206.80
4.4.20.0030.0276.80
4.4.10.0100.0236.80
4.4.00.0070.0336.80
4.3.110.0070.0236.80
4.3.100.0100.0206.80
4.3.90.0100.0206.80
4.3.80.0070.0336.80
4.3.70.0130.0236.80
4.3.60.0070.0206.80
4.3.50.0070.0236.80
4.3.40.0030.0376.80
4.3.30.0070.0206.80
4.3.20.0070.0206.80
4.3.10.0130.0206.80
4.3.00.0130.0207.57

preferences:
57.22 ms | 401 KiB | 5 Q