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]; $member = $data[$key]; echo $obj->$member;

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)
8.3.70.0110.00718.37
8.3.60.0110.01118.43
8.3.50.0150.00722.01
8.3.40.0100.00718.93
8.3.30.0040.01419.21
8.3.20.0000.00720.25
8.3.10.0050.00323.65
8.3.00.0090.00019.62
8.2.190.0150.00016.63
8.2.180.0040.01118.29
8.2.170.0140.00722.96
8.2.160.0100.00320.57
8.2.150.0080.00024.18
8.2.140.0090.00024.66
8.2.130.0040.00426.16
8.2.120.0070.00720.96
8.2.110.0000.01022.08
8.2.100.0090.00317.76
8.2.90.0000.00818.22
8.2.80.0040.00417.97
8.2.70.0000.00817.63
8.2.60.0000.00818.05
8.2.50.0050.00318.10
8.2.40.0100.00018.34
8.2.30.0070.00318.03
8.2.20.0040.00417.80
8.2.10.0000.00817.99
8.2.00.0050.00217.76
8.1.280.0000.01425.92
8.1.270.0040.00422.24
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0060.00323.88
8.1.230.0000.01122.63
8.1.220.0040.00417.76
8.1.210.0040.00418.79
8.1.200.0040.00417.35
8.1.190.0030.00619.13
8.1.180.0030.00618.10
8.1.170.0080.00018.53
8.1.160.0030.00721.91
8.1.150.0040.00418.84
8.1.140.0070.00017.44
8.1.130.0040.00417.82
8.1.120.0000.00717.40
8.1.110.0040.00417.38
8.1.100.0080.00017.35
8.1.90.0040.00417.43
8.1.80.0030.00517.46
8.1.70.0060.00017.42
8.1.60.0040.00417.55
8.1.50.0050.00317.51
8.1.40.0040.00417.42
8.1.30.0030.00617.54
8.1.20.0040.00417.59
8.1.10.0050.00217.55
8.1.00.0000.00817.54
8.0.300.0040.00420.05
8.0.290.0040.00416.88
8.0.280.0070.00018.35
8.0.270.0030.00517.09
8.0.260.0030.00317.26
8.0.250.0030.00316.99
8.0.240.0040.00417.05
8.0.230.0030.00316.98
8.0.220.0030.00316.84
8.0.210.0030.00316.93
8.0.200.0060.00317.00
8.0.190.0030.00616.99
8.0.180.0070.00016.97
8.0.170.0030.00516.92
8.0.160.0030.00317.04
8.0.150.0000.00716.92
8.0.140.0080.00416.88
8.0.130.0030.00313.41
8.0.120.0050.00316.91
8.0.110.0060.00316.97
8.0.100.0040.00416.82
8.0.90.0040.00416.85
8.0.80.0080.01116.98
8.0.70.0000.00716.89
8.0.60.0000.00816.74
8.0.50.0030.00516.81
8.0.30.0140.00517.23
8.0.20.0150.00917.40
8.0.10.0000.00717.07
8.0.00.0060.01316.78
7.4.330.0030.00315.03
7.4.320.0030.00316.42
7.4.300.0080.00016.50
7.4.290.0030.00316.44
7.4.280.0000.00716.37
7.4.270.0030.00316.33
7.4.260.0060.00016.41
7.4.250.0090.00016.48
7.4.240.0020.00516.51
7.4.230.0000.00716.50
7.4.220.0060.01516.58
7.4.210.0060.01116.56
7.4.200.0000.00716.57
7.4.160.0000.01516.53
7.4.150.0100.00717.40
7.4.140.0100.00717.86
7.4.130.0130.00616.38
7.4.120.0090.01016.51
7.4.110.0060.01216.64
7.4.100.0030.01616.47
7.4.90.0100.00716.63
7.4.80.0100.00919.39
7.4.70.0060.01016.59
7.4.60.0160.00016.27
7.4.50.0090.00016.45
7.4.40.0130.00916.50
7.4.30.0140.00316.52
7.4.00.0030.01215.16
7.3.330.0000.00713.04
7.3.320.0000.00513.23
7.3.310.0030.00316.18
7.3.300.0030.00316.36
7.3.290.0030.00316.25
7.3.280.0080.00916.35
7.3.270.0060.01217.40
7.3.260.0100.00716.59
7.3.250.0030.01516.33
7.3.240.0000.01616.38
7.3.230.0140.00416.39
7.3.210.0060.00916.35
7.3.200.0150.00919.39
7.3.190.0060.00916.38
7.3.180.0040.01516.48
7.3.170.0090.00916.27
7.3.160.0150.00416.61
7.2.330.0060.01216.75
7.2.320.0130.00716.71
7.2.310.0100.00716.45
7.2.300.0100.00716.51
7.2.290.0120.01116.53
7.2.80.0070.00716.56
7.2.60.0060.00316.71
7.2.00.0030.00919.59
7.1.200.0070.00715.88
7.1.100.0080.00517.98
7.1.70.0060.00317.03
7.1.60.0100.01419.57
7.1.50.0070.01416.63
7.1.00.0030.07322.48
7.0.200.0040.00714.86
7.0.140.0000.04022.08
7.0.100.0100.07720.03
7.0.90.0030.04319.89
7.0.80.0070.06019.93
7.0.70.0230.06719.84
7.0.60.0270.04319.99
7.0.50.0230.08020.24
7.0.40.0000.07020.07
7.0.30.0130.03320.10
7.0.20.0030.07320.11
7.0.10.0030.08020.14
7.0.00.0070.07019.95
5.6.280.0070.07021.04
5.6.250.0130.05320.59
5.6.240.0030.04320.63
5.6.230.0000.04720.50
5.6.220.0070.05320.58
5.6.210.0030.08020.65
5.6.200.0000.08321.09
5.6.190.0100.08721.05
5.6.180.0030.08721.07
5.6.170.0030.04320.93
5.6.160.0070.05021.01
5.6.150.0070.04320.93
5.6.140.0000.07721.10
5.6.130.0070.04321.08
5.6.120.0070.08321.02
5.6.110.0170.07320.87
5.6.100.0000.04721.07
5.6.90.0070.05020.98
5.6.80.0130.04720.42
5.6.70.0100.04320.32
5.6.60.0100.06320.41
5.6.50.0030.05020.52
5.6.40.0100.03320.30
5.6.30.0130.04020.43
5.6.20.0100.05720.48
5.6.10.0070.06020.48
5.6.00.0130.07720.45
5.5.380.0200.03720.54
5.5.370.0100.05020.35
5.5.360.0030.05020.48
5.5.350.0170.04020.46
5.5.340.0070.04320.82
5.5.330.0230.04020.86
5.5.320.0000.09020.82
5.5.310.0070.04020.88
5.5.300.0030.06320.81
5.5.290.0070.05720.83
5.5.280.0100.07720.92
5.5.270.0070.07720.71
5.5.260.0030.06320.89
5.5.250.0070.07020.45
5.5.240.0130.03720.14
5.5.230.0070.05720.26
5.5.220.0070.08320.24
5.5.210.0070.05020.30
5.5.200.0030.04720.15
5.5.190.0100.03720.17
5.5.180.0100.03719.99
5.5.160.0070.03720.26
5.5.150.0000.04320.13
5.5.140.0130.06720.23
5.5.130.0130.07720.11
5.5.120.0030.06020.22
5.5.110.0200.06020.14
5.5.100.0100.07320.01
5.5.90.0070.06020.07
5.5.80.0070.03020.09
5.5.70.0000.03720.19
5.5.60.0000.03720.03
5.5.50.0070.04719.95
5.5.40.0000.06720.14
5.5.30.0000.05020.07
5.5.20.0070.08320.14
5.5.10.0000.04020.03
5.5.00.0000.09020.02
5.4.450.0030.06319.11
5.4.440.0030.04719.36
5.4.430.0170.03319.34
5.4.420.0070.04319.35
5.4.410.0000.07719.23
5.4.400.0070.05718.95
5.4.390.0070.07019.14
5.4.380.0170.05719.05
5.4.370.0030.04718.97
5.4.360.0100.03319.05
5.4.350.0100.07019.14
5.4.340.0070.04719.09
5.4.320.0100.06719.05
5.4.310.0030.04719.12
5.4.300.0070.07719.11
5.4.290.0030.07319.03
5.4.280.0130.06018.81
5.4.270.0100.03319.04
5.4.260.0100.06719.12
5.4.250.0130.02719.14
5.4.240.0130.02719.02
5.4.230.0100.02719.05
5.4.220.0030.04019.11
5.4.210.0030.05019.05
5.4.200.0030.08019.04
5.4.190.0100.07019.06
5.4.180.0130.06318.77
5.4.170.0070.07318.95
5.4.160.0030.06019.07
5.4.150.0000.04718.88
5.4.140.0030.04016.33
5.4.130.0030.08016.37
5.4.120.0030.03716.26
5.4.110.0000.06716.21
5.4.100.0170.06316.24
5.4.90.0000.03716.31
5.4.80.0070.04716.42
5.4.70.0070.04016.29
5.4.60.0030.06716.19
5.4.50.0030.05016.32
5.4.40.0030.06316.24
5.4.30.0130.05016.21
5.4.20.0000.05716.23
5.4.10.0030.03716.30
5.4.00.0030.05015.70
5.3.290.0030.06314.52
5.3.280.0030.06014.61
5.3.270.0130.07014.62
5.3.260.0130.05014.57
5.3.250.0030.03314.56
5.3.240.0000.03714.60
5.3.230.0070.03714.50
5.3.220.0030.06314.55
5.3.210.0070.07314.55
5.3.200.0070.07314.41
5.3.190.0070.05314.52
5.3.180.0130.05314.55
5.3.170.0030.05714.54
5.3.160.0030.05014.54
5.3.150.0070.03314.47
5.3.140.0070.07014.53
5.3.130.0030.03314.40
5.3.120.0030.04314.38
5.3.110.0030.04014.50
5.3.100.0130.07314.04
5.3.90.0170.02313.98
5.3.80.0100.06013.97
5.3.70.0070.03714.00
5.3.60.0000.04313.96
5.3.50.0100.06713.94
5.3.40.0000.04013.80
5.3.30.0070.03713.91
5.3.20.0070.07013.67
5.3.10.0070.03713.60
5.3.00.0130.02013.59
5.2.170.0000.05710.93
5.2.160.0100.03311.15
5.2.150.0030.04311.06
5.2.140.0070.04711.13
5.2.130.0030.03311.17
5.2.120.0100.05311.05
5.2.110.0070.05710.93
5.2.100.0030.06010.93
5.2.90.0000.03310.94
5.2.80.0030.05711.14
5.2.70.0070.06011.09
5.2.60.0070.05011.04
5.2.50.0100.03011.01
5.2.40.0000.02710.96
5.2.30.0070.02011.02
5.2.20.0000.02710.98
5.2.10.0070.02710.91
5.2.00.0030.04710.76
5.1.60.0070.04710.04
5.1.50.0000.04010.02
5.1.40.0030.0539.96
5.1.30.0030.05310.38
5.1.20.0070.03310.36
5.1.10.0130.02010.09
5.1.00.0030.06310.07
5.0.50.0070.0378.62
5.0.40.0030.0408.61
5.0.30.0030.0238.61
5.0.20.0100.0378.61
5.0.10.0070.0408.61
5.0.00.0000.0278.61
4.4.90.0000.0378.61
4.4.80.0030.0208.61
4.4.70.0030.0308.61
4.4.60.0100.0278.61
4.4.50.0030.0138.61
4.4.40.0030.0208.61
4.4.30.0030.0308.61
4.4.20.0000.0138.61
4.4.10.0000.0178.61
4.4.00.0070.0538.61
4.3.110.0000.0278.61
4.3.100.0000.0278.61
4.3.90.0030.0178.61
4.3.80.0030.0508.61
4.3.70.0030.0108.61
4.3.60.0000.0208.61
4.3.50.0000.0338.61
4.3.40.0000.0338.61
4.3.30.0070.0238.61
4.3.20.0000.0138.61
4.3.10.0000.0238.61
4.3.00.0030.0338.61

preferences:
30.7 ms | 401 KiB | 5 Q