3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { protected $_a; const A = 'A'; public function __construct() { $this->_a = $this; } public function echo() { var_dump($this->_a::A); } } $a = new A; $a->echo();

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)
8.3.60.0070.00718.30
8.3.50.0090.00921.12
8.3.40.0110.00419.02
8.3.30.0070.00718.80
8.3.20.0040.00419.99
8.3.10.0080.00021.85
8.3.00.0080.00023.53
8.2.180.0150.00416.63
8.2.170.0040.01122.96
8.2.160.0070.00720.38
8.2.150.0070.00724.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00019.11
8.2.110.0100.00722.04
8.2.100.0060.00617.93
8.2.90.0040.00419.27
8.2.80.0080.00017.97
8.2.70.0060.00317.38
8.2.60.0060.00317.91
8.2.50.0040.00418.07
8.2.40.0040.00421.95
8.2.30.0000.00719.48
8.2.20.0080.00017.66
8.2.10.0020.00518.10
8.2.00.0000.00817.95
8.1.280.0100.01025.92
8.1.270.0120.00323.96
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0060.00323.97
8.1.230.0070.00319.04
8.1.220.0000.00817.79
8.1.210.0080.00018.77
8.1.200.0040.00417.36
8.1.190.0080.00017.00
8.1.180.0000.00718.10
8.1.170.0040.00418.50
8.1.160.0030.00320.73
8.1.150.0050.00318.76
8.1.140.0040.00419.59
8.1.130.0040.00417.70
8.1.120.0000.00717.51
8.1.110.0070.00017.43
8.1.100.0080.00017.45
8.1.90.0020.00517.43
8.1.80.0040.00417.47
8.1.70.0000.00617.42
8.1.60.0090.00017.47
8.1.50.0070.00317.51
8.1.40.0030.00617.48
8.1.30.0000.00817.62
8.1.20.0050.00217.65
8.1.10.0030.00517.54
8.1.00.0020.00517.42
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0070.00018.34
8.0.270.0030.00517.27
8.0.260.0030.00317.29
8.0.250.0030.00716.94
8.0.240.0050.00216.95
8.0.230.0030.00316.86
8.0.220.0000.00916.93
8.0.210.0000.00816.79
8.0.200.0000.00616.98
8.0.190.0060.00316.99
8.0.180.0040.00416.88
8.0.170.0030.00616.79
8.0.160.0040.00416.95
8.0.150.0000.00716.88
8.0.140.0030.00616.73
8.0.130.0030.00313.32
8.0.120.0050.00316.76
8.0.110.0040.00416.87
8.0.100.0070.00016.73
8.0.90.0040.00416.79
8.0.80.0030.01316.88
8.0.70.0050.00316.76
8.0.60.0050.00216.93
8.0.50.0070.00016.70
8.0.30.0050.01217.20
8.0.20.0090.00917.40
8.0.10.0070.00017.11
8.0.00.0070.01216.85
7.4.330.0020.00216.79
7.4.320.0030.00316.36
7.4.300.0050.00316.41
7.4.290.0000.00916.64
7.4.280.0060.00316.56
7.4.270.0030.00316.61
7.4.260.0040.00416.57
7.4.250.0070.00016.61
7.4.240.0040.00416.53
7.4.230.0000.00616.41
7.4.220.0140.01116.56
7.4.210.0110.00316.50
7.4.200.0000.00716.69
7.4.160.0040.01116.58
7.4.150.0270.00617.40
7.4.140.0110.01017.86
7.4.130.0090.01216.56
7.4.120.0100.00716.48
7.4.110.0100.00616.36
7.4.100.0060.01416.38
7.4.90.0120.00916.73
7.4.80.0130.01019.39
7.4.70.0070.01716.46
7.4.60.0120.00616.41
7.4.50.0090.00616.59
7.4.40.0060.01616.23
7.4.30.0150.00916.53
7.4.00.0090.00614.92
7.3.330.0050.00013.07
7.3.320.0000.00613.29
7.3.310.0030.00316.18
7.3.300.0000.00716.25
7.3.290.0090.00616.27
7.3.280.0100.00816.23
7.3.270.0100.00717.40
7.3.260.0060.01216.51
7.3.250.0100.00616.39
7.3.240.0110.00616.32
7.3.230.0060.01016.39
7.3.210.0250.03116.30
7.3.200.0110.00616.51
7.3.190.0130.00316.60
7.3.180.0120.00616.36
7.3.170.0140.00716.29
7.3.160.0080.00816.36
7.2.330.0120.00616.80
7.2.320.0120.00916.64
7.2.310.0070.01016.49
7.2.300.0070.01016.75
7.2.290.0060.01016.86
7.2.60.0070.00716.90
7.2.00.0000.01419.51
7.1.200.0080.00315.57
7.1.100.0180.00518.26
7.1.70.0040.00417.03
7.1.60.0180.00619.30
7.1.50.0130.01016.97
7.1.00.0070.07322.45
7.0.200.0030.00616.75
7.0.60.0270.07321.73
7.0.50.0100.05717.85
7.0.40.0130.06720.40
7.0.30.0270.03720.07
7.0.20.0330.03020.09
7.0.10.0000.05020.07
7.0.00.0130.07720.07
5.6.280.0030.05021.00
5.6.210.0070.04020.78
5.6.200.0100.07018.25
5.6.190.0030.09320.46
5.6.180.0500.04720.38
5.6.170.0200.04320.51
5.6.160.0030.06320.50
5.6.150.0100.07718.14
5.6.140.0070.04018.25
5.6.130.0030.04018.24
5.6.120.0030.04321.13
5.6.110.0070.08320.99
5.6.100.0070.07720.97
5.6.90.0100.04721.00
5.6.80.0170.06720.39
5.5.350.0270.07020.42
5.5.340.0100.03317.96
5.5.330.0000.04320.31
5.5.320.0530.08020.38
5.5.310.0230.03320.17
5.5.300.0070.08317.92
5.5.290.0070.03717.98
5.5.280.0000.08020.87
5.5.270.0100.06020.96
5.5.260.0170.07320.97
5.5.250.0030.08720.55
5.5.240.0170.08020.36

preferences:
39.95 ms | 401 KiB | 5 Q