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 "${data[$key]}"; 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)
8.3.70.0110.00418.43
8.3.60.0140.00716.63
8.3.50.0090.01121.97
8.3.40.0140.00718.88
8.3.30.0100.00319.17
8.3.20.0070.00020.39
8.3.10.0040.00421.90
8.3.00.0100.00019.68
8.2.190.0120.00318.41
8.2.180.0090.00916.88
8.2.170.0070.00722.96
8.2.160.0100.00320.38
8.2.150.0040.00424.18
8.2.140.0050.00224.66
8.2.130.0080.00026.16
8.2.120.0080.00420.77
8.2.110.0040.00720.34
8.2.100.0100.00017.91
8.2.90.0040.00418.19
8.2.80.0000.01018.05
8.2.70.0090.00417.46
8.2.60.0050.00318.05
8.2.50.0050.00318.07
8.2.40.0040.00418.22
8.2.30.0070.00018.13
8.2.20.0000.00717.74
8.2.10.0070.00018.18
8.2.00.0000.00817.65
8.1.280.0100.00725.92
8.1.270.0080.00021.96
8.1.260.0080.00026.35
8.1.250.0100.00328.09
8.1.240.0040.00422.05
8.1.230.0030.00920.97
8.1.220.0000.00717.79
8.1.210.0000.00818.84
8.1.200.0000.00817.35
8.1.190.0000.00917.41
8.1.180.0040.00418.10
8.1.170.0050.00318.52
8.1.160.0000.00721.86
8.1.150.0000.00718.88
8.1.140.0060.00317.32
8.1.130.0000.00717.82
8.1.120.0000.01017.42
8.1.110.0020.00517.37
8.1.100.0060.00317.37
8.1.90.0050.00217.41
8.1.80.0040.00417.35
8.1.70.0000.00817.26
8.1.60.0000.00817.55
8.1.50.0060.00317.52
8.1.40.0080.00017.52
8.1.30.0000.00817.56
8.1.20.0000.00817.73
8.1.10.0050.00217.62
8.1.00.0000.00817.50
8.0.300.0000.00720.15
8.0.290.0050.00317.28
8.0.280.0000.00718.42
8.0.270.0000.00717.25
8.0.260.0080.00017.27
8.0.250.0040.00416.94
8.0.240.0000.00716.84
8.0.230.0000.00716.92
8.0.220.0000.00716.82
8.0.210.0070.00016.87
8.0.200.0070.00016.99
8.0.190.0040.00416.85
8.0.180.0000.00716.95
8.0.170.0000.00716.81
8.0.160.0030.00316.80
8.0.150.0050.00216.90
8.0.140.0000.01016.82
8.0.130.0050.00013.27
8.0.120.0050.00316.76
8.0.110.0000.00816.88
8.0.100.0030.00316.87
8.0.90.0000.00716.84
8.0.80.0070.00716.82
8.0.70.0040.00416.82
8.0.60.0000.00816.89
8.0.50.0000.00716.75
8.0.30.0030.01317.30
8.0.20.0110.01417.40
8.0.10.0000.00816.92
8.0.00.0060.01216.71
7.4.330.0030.00315.03
7.4.320.0000.00616.60
7.4.300.0000.00616.59
7.4.290.0070.00016.57
7.4.280.0080.00016.62
7.4.270.0040.00416.60
7.4.260.0030.00516.48
7.4.250.0030.00316.55
7.4.240.0020.00616.55
7.4.230.0000.00716.61
7.4.220.0110.00716.64
7.4.210.0090.00916.53
7.4.200.0070.00016.66
7.4.160.0110.00416.48
7.4.150.0070.01117.40
7.4.140.0120.00917.86
7.4.130.0160.00816.51
7.4.120.0160.00616.56
7.4.110.0130.01016.50
7.4.100.0110.01116.38
7.4.90.0060.01116.37
7.4.80.0140.00319.39
7.4.70.0060.01016.36
7.4.60.0100.00616.30
7.4.50.0030.00316.64
7.4.40.0110.00816.57
7.4.30.0030.01316.54
7.4.00.0030.01214.79
7.3.330.0030.00513.11
7.3.320.0000.00513.16
7.3.310.0030.00316.23
7.3.300.0040.00416.12
7.3.290.0110.00816.29
7.3.280.0060.01216.30
7.3.270.0180.00617.40
7.3.260.0120.00916.44
7.3.250.0170.00816.28
7.3.240.0060.01016.51
7.3.230.0100.00616.39
7.3.210.0090.01016.57
7.3.200.0130.00919.39
7.3.190.0090.01216.41
7.3.180.0050.01016.64
7.3.170.0060.01116.45
7.3.160.0070.00816.45
7.2.330.0110.00716.78
7.2.320.0000.01616.68
7.2.310.0110.00916.83
7.2.300.0180.00016.82
7.2.290.0070.01516.54
7.2.80.0000.00916.79
7.2.60.0040.01116.95
7.1.200.0040.00715.68
7.1.70.0000.00817.16
7.1.60.0040.02219.57
7.1.50.0070.01516.95
7.1.00.0000.08022.57
7.0.200.0120.00814.68
7.0.140.0000.07722.13
7.0.60.0030.08019.77
7.0.50.0100.05717.90
7.0.40.0100.07320.02
7.0.30.0370.07020.18
7.0.20.0370.06020.32
7.0.10.0100.08720.03
7.0.00.0070.07720.20
5.6.280.0000.07321.02
5.6.210.0030.04020.64
5.6.200.0170.07718.19
5.6.190.0030.05020.67
5.6.180.0230.04720.61
5.6.170.0130.04320.31
5.6.160.0030.04020.39
5.6.150.0030.06318.13
5.6.140.0100.03718.09
5.6.130.0170.04318.21
5.6.120.0070.06721.04
5.6.110.0170.06320.98
5.6.100.0030.06320.99
5.6.90.0030.05021.02
5.6.80.0170.06020.38
5.5.350.0100.04020.44
5.5.340.0100.04017.91
5.5.330.0070.08320.23
5.5.320.0500.06720.13
5.5.310.0100.04320.41
5.5.300.0070.06017.91
5.5.290.0070.08018.01
5.5.280.0030.04020.80
5.5.270.0030.04320.85
5.5.260.0200.07020.86
5.5.250.0000.05020.77
5.5.240.0270.07320.25
5.4.450.0230.05719.61
5.4.440.0930.05019.12
5.4.430.0030.06019.32
5.4.420.0100.06019.15
5.4.410.0130.05319.32
5.4.400.0070.05719.23
5.4.390.0130.05019.09
5.4.380.0270.04718.65
5.4.370.0130.04718.70
5.4.360.0300.04018.72
5.4.350.0270.04318.70
5.4.340.0130.05318.61
5.4.320.0200.04718.60
5.4.310.0230.04318.64
5.4.300.0030.06018.44
5.4.290.0130.05318.62
5.4.280.0130.05318.63
5.4.270.0200.04718.44
5.4.260.0200.04318.60
5.4.250.0200.04718.67
5.4.240.0100.05718.54
5.4.230.0270.04018.50
5.4.220.0100.05718.66
5.4.210.0200.05018.53
5.4.200.0130.05016.61
5.4.190.0230.05018.41
5.4.180.0130.05318.37
5.4.170.0170.05018.43
5.4.160.0200.05018.68
5.4.150.0170.05018.53
5.4.140.0130.05016.23
5.4.130.0100.04716.20
5.4.120.0200.04716.11
5.4.110.0200.04316.00
5.4.100.0200.04716.21
5.4.90.0130.05316.09
5.4.80.0100.05315.98
5.4.70.0170.05316.11
5.4.60.0170.05316.24
5.4.50.0200.04316.17
5.4.40.0170.05316.07
5.4.30.0070.05316.00
5.4.20.0230.04016.07
5.4.10.0200.04016.07
5.4.00.0100.05015.63
5.3.290.0170.05314.67
5.3.280.0100.05314.62
5.3.270.0100.06714.47
5.3.260.0100.05014.57
5.3.250.0200.03714.66
5.3.240.0100.05014.50
5.3.230.0130.05314.48
5.3.220.0170.05314.46
5.3.210.0170.05314.48
5.3.200.0200.04714.49
5.3.190.0200.04314.54
5.3.180.0370.04014.57
5.3.170.0370.04314.57
5.3.160.0400.04014.54
5.3.150.0200.05014.62
5.3.140.0170.04314.52
5.3.130.0370.04314.44
5.3.120.0270.04314.46
5.3.110.0130.05314.44
5.3.100.0170.05013.97
5.3.90.0100.05313.95
5.3.80.0130.05013.91
5.3.70.0070.05714.02
5.3.60.0200.05014.00
5.3.50.0170.04013.80
5.3.40.0100.05313.96
5.3.30.0230.04013.94
5.3.20.0330.04713.71
5.3.10.0070.05713.53
5.3.00.0200.04313.61
5.2.170.0200.03311.20
5.2.160.0130.04011.06
5.2.150.0070.05011.21
5.2.140.0170.03311.04
5.2.130.0130.04011.05
5.2.120.0170.04311.01
5.2.110.0100.04010.95
5.2.100.0100.04010.96
5.2.90.0070.04311.07
5.2.80.0200.03011.05
5.2.70.0200.03310.98
5.2.60.0100.04311.02
5.2.50.0200.03710.91
5.2.40.0100.04010.97
5.2.30.0100.04710.94
5.2.20.0200.03011.07
5.2.10.0230.04010.96
5.2.00.0100.04310.70
5.1.60.0100.0309.95
5.1.50.0130.0239.95
5.1.40.0130.0279.95
5.1.30.0130.04010.33
5.1.20.0100.03710.37
5.1.10.0070.03710.18
5.1.00.0100.03310.04
5.0.50.0100.0238.50
5.0.40.0070.0238.36
5.0.30.0030.0338.13
5.0.20.0070.0208.13
5.0.10.0030.0238.20
5.0.00.0030.0308.13
4.4.90.0000.0205.80
4.4.80.0070.0235.84
4.4.70.0000.0235.81
4.4.60.0030.0175.79
4.4.50.0000.0205.82
4.4.40.0070.0235.81
4.4.30.0070.0135.83
4.4.20.0030.0175.94
4.4.10.0030.0205.81
4.4.00.0030.0275.83
4.3.110.0000.0205.86
4.3.100.0000.0235.74
4.3.90.0030.0175.77
4.3.80.0030.0235.70
4.3.70.0000.0175.71
4.3.60.0030.0205.75
4.3.50.0030.0235.74
4.3.40.0030.0275.72
4.3.30.0030.0174.52
4.3.20.0000.0204.59
4.3.10.0000.0174.47
4.3.00.0030.0206.64

preferences:
28.56 ms | 401 KiB | 5 Q