3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = new stdClass(); $obj->bar = "xyz"; $data = array("foo" => "bar"); $key = "foo"; // echo $obj->${data[$key]}; syntax error echo $obj->{$data[$key]}; $member = $data[$key]; echo $obj->${member}; echo $obj->{$member}; echo "${data[$key]}"; // of course, this works echo "{$data[$key]}";

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)
8.3.60.0110.00716.63
8.3.50.0130.00522.06
8.3.40.0120.00918.92
8.3.30.0160.00019.27
8.3.20.0000.00820.07
8.3.10.0040.00421.66
8.3.00.0060.00319.69
8.2.180.0000.01525.92
8.2.170.0180.00318.96
8.2.160.0190.00022.26
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0030.00326.16
8.2.120.0030.00618.79
8.2.110.0100.00021.08
8.2.100.0000.01217.97
8.2.90.0060.00319.34
8.2.80.0000.00817.97
8.2.70.0060.00617.63
8.2.60.0060.00318.05
8.2.50.0000.00818.07
8.2.40.0040.00418.22
8.2.30.0050.00318.06
8.2.20.0000.00717.89
8.2.10.0000.00818.12
8.2.00.0000.00717.80
8.1.280.0090.00625.92
8.1.270.0040.00423.92
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0080.00022.23
8.1.230.0070.00319.10
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0000.00817.30
8.1.180.0040.00418.10
8.1.170.0050.00318.44
8.1.160.0040.00421.95
8.1.150.0070.00018.81
8.1.140.0000.00717.37
8.1.130.0030.00317.82
8.1.120.0070.00317.46
8.1.110.0040.00417.48
8.1.100.0000.00917.31
8.1.90.0000.00717.51
8.1.80.0020.00517.36
8.1.70.0040.00417.30
8.1.60.0030.00617.60
8.1.50.0040.00417.55
8.1.40.0090.00017.40
8.1.30.0000.00917.65
8.1.20.0000.00717.68
8.1.10.0000.00717.45
8.1.00.0040.00417.41
8.0.300.0030.00318.77
8.0.290.0050.00217.05
8.0.280.0000.00818.47
8.0.270.0030.00317.29
8.0.260.0000.00617.25
8.0.250.0060.00317.07
8.0.240.0030.00316.98
8.0.230.0000.00717.01
8.0.220.0030.00316.84
8.0.210.0030.00316.96
8.0.200.0000.00717.00
8.0.190.0040.00416.91
8.0.180.0070.00017.00
8.0.170.0040.00416.85
8.0.160.0000.00716.95
8.0.150.0040.00416.88
8.0.140.0100.00016.87
8.0.130.0000.00613.38
8.0.120.0080.00016.88
8.0.110.0030.00516.86
8.0.100.0000.00717.02
8.0.90.0040.00417.08
8.0.80.0040.01116.84
8.0.70.0000.00716.83
8.0.60.0040.00416.99
8.0.50.0000.00816.77
8.0.30.0060.01517.26
8.0.20.0120.00617.40
8.0.10.0000.00717.02
8.0.00.0090.01216.90
7.4.330.0050.00015.21
7.4.320.0040.00416.56
7.4.300.0000.00616.50
7.4.290.0000.00716.59
7.4.280.0060.00316.58
7.4.270.0000.00816.41
7.4.260.0060.00316.59
7.4.250.0000.00816.57
7.4.240.0050.00216.54
7.4.230.0030.00316.56
7.4.220.0040.00416.26
7.4.210.0100.01016.41
7.4.200.0000.00816.51
7.4.160.0110.01116.47
7.4.150.0030.01517.40
7.4.140.0080.01017.86
7.4.130.0110.00916.64
7.4.120.0080.00916.60
7.4.110.0070.01316.51
7.4.100.0100.00716.64
7.4.90.0070.01016.69
7.4.80.0060.01519.39
7.4.70.0090.00916.45
7.4.60.0080.00816.51
7.4.50.0050.00316.73
7.4.40.0120.01216.50
7.4.30.0070.01016.57
7.4.00.0030.01015.20
7.3.330.0080.00013.20
7.3.320.0000.00613.18
7.3.310.0060.00016.29
7.3.300.0000.00716.13
7.3.290.0080.00716.33
7.3.280.0080.00916.33
7.3.270.0030.01417.40
7.3.260.0160.00816.34
7.3.250.0120.00716.44
7.3.240.0030.01416.53
7.3.230.0070.00916.64
7.3.210.0060.01016.37
7.3.200.0070.00919.39
7.3.190.0120.00416.54
7.3.180.0090.00616.44
7.3.170.0030.01316.38
7.3.160.0030.01816.33
7.2.330.0120.00616.44
7.2.320.0090.00916.77
7.2.310.0050.01116.64
7.2.300.0090.00816.80
7.2.290.0150.00916.52
7.2.60.0030.00917.05
7.2.00.0040.01119.24
7.1.200.0040.01115.69
7.1.100.0110.00418.13
7.1.70.0030.00316.85
7.1.60.0070.01419.57
7.1.50.0040.00717.09
7.1.00.0130.06722.51
7.0.200.0040.00814.98
7.0.140.0030.04021.97
7.0.100.0270.05019.93
7.0.90.0370.07019.94
7.0.80.0000.04719.93
7.0.70.0000.06719.90
7.0.60.0330.07019.84
7.0.50.0170.09320.29
7.0.40.0030.08720.03
7.0.30.0030.07320.05
7.0.20.0000.06020.15
7.0.10.0170.07320.13
7.0.00.0100.04719.92
5.6.280.0070.07021.04
5.6.250.0000.06720.59
5.6.240.0070.07320.47
5.6.230.0030.05020.63
5.6.220.0030.07020.64
5.6.210.0130.05320.67
5.6.200.0130.05320.93
5.6.190.0070.07321.02
5.6.180.0070.08321.10
5.6.170.0070.07321.00
5.6.160.0200.06021.02
5.6.150.0130.06721.04
5.6.140.0030.07721.00
5.6.130.0130.07721.13
5.6.120.0070.05021.07
5.6.110.0070.07721.02
5.6.100.0070.06321.12
5.6.90.0030.07721.02
5.6.80.0030.05020.32
5.6.70.0000.04320.51
5.6.60.0030.04020.37
5.6.50.0000.05020.55
5.6.40.0070.03320.43
5.6.30.0030.03720.38
5.6.20.0030.04320.38
5.6.10.0030.03320.37
5.6.00.0000.03720.39
5.5.380.0100.03320.39
5.5.370.0030.04320.45
5.5.360.0100.03720.52
5.5.350.0130.04320.39
5.5.340.0070.08020.83
5.5.330.0030.08720.79
5.5.320.0070.07720.87
5.5.310.0130.07720.82
5.5.300.0130.07720.77
5.5.290.0030.08020.88
5.5.280.0100.07320.64
5.5.270.0030.06320.82
5.5.260.0200.03020.76
5.5.250.0130.07020.57
5.5.240.0030.06020.14
5.5.230.0100.03320.28
5.5.220.0000.04320.25
5.5.210.0030.03720.30
5.5.200.0070.03020.11
5.5.190.0100.03320.27
5.5.180.0000.04020.23
5.5.160.0030.03320.21
5.5.150.0070.06720.26
5.5.140.0030.07020.14
5.5.130.0030.04720.21
5.5.120.0070.05720.18
5.5.110.0070.03720.25
5.5.100.0100.02720.15
5.5.90.0000.03720.15
5.5.80.0070.04720.06
5.5.70.0000.04320.16
5.5.60.0070.03720.04
5.5.50.0030.03320.14
5.5.40.0030.03720.05
5.5.30.0000.04319.92
5.5.20.0070.03319.95
5.5.10.0030.04020.04
5.5.00.0030.04320.12
5.4.450.0070.08019.10
5.4.440.0000.05319.29
5.4.430.0030.08319.36
5.4.420.0070.07019.23
5.4.410.0070.07719.24
5.4.400.0070.03718.83
5.4.390.0070.03719.07
5.4.380.0030.04319.14
5.4.370.0030.03019.03
5.4.360.0070.03319.03
5.4.350.0030.03019.04
5.4.340.0100.03319.15
5.4.320.0000.03719.13
5.4.310.0000.03719.23
5.4.300.0170.05019.06
5.4.290.0130.06319.02
5.4.280.0070.04318.78
5.4.270.0070.04019.07
5.4.260.0030.04018.78
5.4.250.0030.04018.79
5.4.240.0030.03018.94
5.4.230.0000.03318.75
5.4.220.0030.03019.07
5.4.210.0030.03019.14
5.4.200.0070.03018.93
5.4.190.0000.04018.84
5.4.180.0070.02719.08
5.4.170.0070.05019.11
5.4.160.0070.02718.79
5.4.150.0030.04019.06
5.4.140.0000.04316.31
5.4.130.0000.03316.27
5.4.120.0030.04716.36
5.4.110.0000.03716.36
5.4.100.0000.04016.38
5.4.90.0000.03016.32
5.4.80.0030.03016.41
5.4.70.0000.03316.22
5.4.60.0030.03316.23
5.4.50.0070.03316.32
5.4.40.0030.03016.34
5.4.30.0000.03316.22
5.4.20.0100.05716.41
5.4.10.0130.06316.39
5.4.00.0030.07315.84
5.3.290.0070.04014.65
5.3.280.0030.04014.59
5.3.270.0000.03314.49
5.3.260.0000.04314.51
5.3.250.0030.03714.60
5.3.240.0030.03014.59
5.3.230.0030.04014.50
5.3.220.0030.03014.51
5.3.210.0030.03714.43
5.3.200.0100.03014.51
5.3.190.0000.03314.55
5.3.180.0030.04014.55
5.3.170.0030.04014.42
5.3.160.0070.02714.54
5.3.150.0030.03714.50
5.3.140.0000.05014.48
5.3.130.0130.02314.50
5.3.120.0000.03714.50
5.3.110.0030.03714.40
5.3.100.0070.05714.02
5.3.90.0130.04713.96
5.3.80.0070.03313.88
5.3.70.0070.03014.00
5.3.60.0000.03713.93
5.3.50.0100.05713.90
5.3.40.0030.05313.71
5.3.30.0030.06013.66
5.3.20.0030.05713.64
5.3.10.0070.07013.41
5.3.00.0030.03313.49
5.2.170.0030.03311.00
5.2.160.0000.03011.09
5.2.150.0130.05310.96
5.2.140.0070.05311.12
5.2.130.0070.06310.91
5.2.120.0000.04311.02
5.2.110.0000.04311.03
5.2.100.0000.06710.94
5.2.90.0130.01711.02
5.2.80.0030.05710.91
5.2.70.0030.03711.04
5.2.60.0030.03010.91
5.2.50.0030.02711.05
5.2.40.0030.03310.79
5.2.30.0070.02310.77
5.2.20.0030.05311.00
5.2.10.0030.04310.86
5.2.00.0030.06310.71
5.1.60.0070.0509.99
5.1.50.0000.02710.04
5.1.40.0030.0439.80
5.1.30.0070.05710.39
5.1.20.0000.02710.37
5.1.10.0030.0439.95
5.1.00.0070.05310.09
5.0.50.0000.0279.27
5.0.40.0000.0279.27
5.0.30.0030.0639.27
5.0.20.0000.0439.27
5.0.10.0030.0409.27
5.0.00.0030.0609.27
4.4.90.0000.0209.27
4.4.80.0030.0279.27
4.4.70.0000.0379.27
4.4.60.0070.0239.27
4.4.50.0000.0309.27
4.4.40.0000.0539.27
4.4.30.0030.0339.27
4.4.20.0000.0379.27
4.4.10.0000.0309.27
4.4.00.0030.0339.27
4.3.110.0000.0379.27
4.3.100.0030.0309.27
4.3.90.0000.0339.27
4.3.80.0000.0539.27
4.3.70.0030.0109.27
4.3.60.0000.0379.27
4.3.50.0000.0279.27
4.3.40.0000.0509.27
4.3.30.0000.0239.27
4.3.20.0070.0309.27
4.3.10.0030.0309.27
4.3.00.0000.0479.27

preferences:
53.72 ms | 401 KiB | 5 Q