3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private $name; public function __construct($name) { $this->name = $name; } public function welcome() { echo 'hi: ' . $this->name; } } class B extends A { private $name = 'b'; } $b = new B; $b->welcome();

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)
8.3.60.0100.01016.49
8.3.50.0100.00718.06
8.3.40.0030.01218.84
8.3.30.0110.00418.84
8.3.20.0040.00420.31
8.3.10.0070.00023.61
8.3.00.0060.00319.25
8.2.180.0120.00318.29
8.2.170.0140.00022.96
8.2.160.0000.01419.17
8.2.150.0090.00024.18
8.2.140.0080.00024.66
8.2.130.0030.00620.70
8.2.120.0080.00026.35
8.2.110.0060.00320.59
8.2.100.0120.00017.91
8.2.90.0090.00019.22
8.2.80.0050.00317.97
8.2.70.0000.00817.63
8.2.60.0030.00517.80
8.2.50.0040.00418.07
8.2.40.0050.00319.34
8.2.30.0000.00720.48
8.2.20.0030.00617.55
8.2.10.0000.00718.04
8.2.00.0040.00417.89
8.1.280.0140.00025.92
8.1.270.0080.00023.98
8.1.260.0040.00428.09
8.1.250.0050.00328.09
8.1.240.0040.00722.10
8.1.230.0110.00022.85
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.10
8.1.190.0040.00417.10
8.1.180.0000.00818.10
8.1.170.0000.00818.46
8.1.160.0000.00721.91
8.1.150.0000.00718.63
8.1.140.0000.00819.49
8.1.130.0070.00017.68
8.1.120.0030.00517.37
8.1.110.0040.00417.29
8.1.100.0080.00017.31
8.1.90.0070.00017.37
8.1.80.0070.00017.32
8.1.70.0000.00717.21
8.1.60.0040.00417.46
8.1.50.0040.00417.42
8.1.40.0040.00417.37
8.1.30.0060.00317.56
8.1.20.0030.00517.52
8.1.10.0000.00817.50
8.1.00.0050.00217.43
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0000.00718.38
8.0.270.0000.00717.30
8.0.260.0000.00617.11
8.0.250.0070.00016.91
8.0.240.0000.00616.84
8.0.230.0000.00716.92
8.0.220.0000.00716.84
8.0.210.0000.00716.93
8.0.200.0030.00316.96
8.0.190.0070.00016.98
8.0.180.0050.00216.96
8.0.170.0020.00516.92
8.0.160.0070.00016.90
8.0.150.0040.00416.87
8.0.140.0070.00016.73
8.0.130.0050.00013.36
8.0.120.0060.00316.85
8.0.110.0000.00816.85
8.0.100.0000.00716.70
8.0.90.0040.00416.67
8.0.80.0110.00616.93
8.0.70.0050.00316.81
8.0.60.0040.00416.86
8.0.50.0000.00716.84
8.0.30.0060.01217.01
8.0.20.0080.01117.40
8.0.10.0040.00416.80
8.0.00.0070.01416.77
7.4.330.0000.00516.77
7.4.320.0000.00616.36
7.4.300.0000.00616.51
7.4.290.0030.00316.45
7.4.280.0090.00016.52
7.4.270.0000.00716.58
7.4.260.0000.00716.34
7.4.250.0040.00416.48
7.4.240.0020.00516.45
7.4.230.0030.00316.36
7.4.220.0110.00816.61
7.4.210.0030.01316.54
7.4.200.0000.00816.27
7.4.160.0040.01216.47
7.4.150.0140.00317.40
7.4.140.0130.00517.86
7.4.130.0120.00516.51
7.4.120.0140.00716.42
7.4.110.0110.00616.43
7.4.100.0090.00916.46
7.4.90.0140.00316.40
7.4.80.0070.01019.39
7.4.70.0100.00716.39
7.4.60.0180.00316.38
7.4.50.0060.00916.55
7.4.40.0050.01216.59
7.4.30.0120.00916.58
7.4.00.0040.00815.13
7.3.330.0060.00313.33
7.3.320.0020.00213.20
7.3.310.0000.00716.42
7.3.300.0000.00616.23
7.3.290.0040.01216.38
7.3.280.0110.00716.33
7.3.270.0120.00617.40
7.3.260.0100.00716.48
7.3.250.0070.01116.43
7.3.240.0100.00816.32
7.3.230.0110.00516.49
7.3.210.0160.00316.33
7.3.200.0110.00716.18
7.3.190.0080.00816.17
7.3.180.0100.01016.31
7.3.170.0030.01616.27
7.3.160.0060.00916.44
7.2.330.0120.00616.52
7.2.320.0140.00616.28
7.2.310.0040.01316.61
7.2.300.0120.00616.52
7.2.290.0100.00616.40
7.2.110.0260.01116.23
7.2.60.0070.00716.79
7.2.00.0030.00919.43
7.1.200.0060.00615.73
7.1.100.0030.01017.93
7.1.70.0040.01117.03
7.1.60.0150.00919.36
7.1.50.0070.01616.94
7.1.00.0000.08022.54
7.0.200.0040.00416.75
7.0.60.0070.04319.97
7.0.50.0070.08017.86
7.0.40.0100.04020.23
7.0.30.0300.07020.06
7.0.20.0370.05720.23
7.0.10.0070.04320.09
7.0.00.0100.08020.26
5.6.280.0030.05021.08
5.6.210.0030.04020.77
5.6.200.0200.05718.15
5.6.190.0070.04320.61
5.6.180.0570.06320.45
5.6.170.0330.05320.44
5.6.160.0070.04020.55
5.6.150.0070.03718.29
5.6.140.0070.05318.18
5.6.130.0070.07318.24
5.6.120.0100.07720.99
5.6.110.0030.04321.00
5.6.100.0200.05020.96
5.6.90.0100.05321.08
5.6.80.0070.09020.41
5.5.350.0200.07720.44
5.5.340.0100.04718.07
5.5.330.0200.04020.19
5.5.320.0100.07720.38
5.5.310.0100.04320.27
5.5.300.0100.03318.01
5.5.290.0030.04017.95
5.5.280.0130.05320.88
5.5.270.0070.08320.80
5.5.260.0100.07020.65
5.5.250.0100.08320.71
5.5.240.0300.06720.28

preferences:
48.44 ms | 400 KiB | 5 Q