3v4l.org

run code in 300+ PHP versions simultaneously
<?php class X { public function __construct($a = 0) { $a = 33; $this->a(); } protected function a() { echo $a.'x'; var_dump(get_defined_vars()); } } $x = new X(); $x->a();

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)
8.3.60.0120.00318.52
8.3.50.0100.00316.30
8.3.40.0110.00418.67
8.3.30.0160.00018.72
8.3.20.0060.00321.92
8.3.10.0040.00421.77
8.3.00.0000.00720.79
8.2.180.0040.01118.67
8.2.170.0040.01122.96
8.2.160.0070.00721.95
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0000.00722.24
8.2.120.0040.00426.35
8.2.110.0030.00622.11
8.2.100.0120.00017.59
8.2.90.0040.00418.03
8.2.80.0000.00817.97
8.2.70.0050.00517.63
8.2.60.0030.00617.93
8.2.50.0000.00918.10
8.2.40.0000.00822.23
8.2.30.0030.00521.09
8.2.20.0040.00418.04
8.2.10.0040.00418.15
8.2.00.0070.00018.11
8.1.280.0120.00325.92
8.1.270.0050.00323.96
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0100.00023.82
8.1.230.0060.00621.09
8.1.220.0080.00017.74
8.1.210.0060.00319.05
8.1.200.0030.00617.35
8.1.190.0000.00917.22
8.1.180.0030.00618.10
8.1.170.0040.00418.48
8.1.160.0040.00418.95
8.1.150.0030.00520.61
8.1.140.0060.00319.50
8.1.130.0050.00318.75
8.1.120.0070.00017.29
8.1.110.0050.00317.45
8.1.100.0040.00417.33
8.1.90.0040.00417.42
8.1.80.0000.00717.40
8.1.70.0030.00317.29
8.1.60.0040.00417.54
8.1.50.0050.00217.52
8.1.40.0040.00417.52
8.1.30.0000.00717.66
8.1.20.0040.00417.57
8.1.10.0000.00717.52
8.1.00.0000.00817.60
8.0.300.0000.00719.96
8.0.290.0040.00416.75
8.0.280.0070.00018.40
8.0.270.0000.00817.16
8.0.260.0030.00316.79
8.0.250.0000.00617.07
8.0.240.0040.00416.79
8.0.230.0000.00917.02
8.0.220.0030.00316.87
8.0.210.0070.00016.96
8.0.200.0040.00416.96
8.0.190.0060.00317.04
8.0.180.0000.00716.97
8.0.170.0000.00816.96
8.0.160.0000.00816.83
8.0.150.0030.00316.92
8.0.140.0040.00316.91
8.0.130.0030.00413.41
8.0.120.0020.00516.89
8.0.110.0000.00816.98
8.0.100.0030.00516.80
8.0.90.0000.00716.91
8.0.80.0130.00317.00
8.0.70.0040.00416.93
8.0.60.0040.00416.98
8.0.50.0070.00016.94
8.0.30.0090.01017.15
8.0.20.0110.01017.40
8.0.10.0050.00316.95
8.0.00.0090.00916.73
7.4.330.0030.00315.55
7.4.320.0030.00316.44
7.4.300.0060.00016.65
7.4.290.0040.00416.49
7.4.280.0000.00816.39
7.4.270.0040.00416.60
7.4.260.0070.00016.53
7.4.250.0030.00316.54
7.4.240.0030.00316.61
7.4.230.0030.00316.48
7.4.220.0070.02116.49
7.4.210.0070.00716.48
7.4.200.0030.00316.66
7.4.160.0100.00616.52
7.4.150.0180.00017.40
7.4.140.0130.00517.86
7.4.130.0110.01516.45
7.4.120.0100.01016.47
7.4.110.0030.01416.49
7.4.100.0140.00716.46
7.4.90.0200.00316.64
7.4.80.0120.01119.39
7.4.70.0100.00716.57
7.4.60.0120.00616.54
7.4.50.0090.00916.45
7.4.40.0120.00416.28
7.4.30.0150.00416.69
7.4.00.0060.00914.71
7.3.330.0000.00613.18
7.3.320.0000.00513.36
7.3.310.0030.00316.25
7.3.300.0000.00716.31
7.3.290.0100.00716.34
7.3.280.0070.01016.33
7.3.270.0160.00417.40
7.3.260.0060.01116.37
7.3.250.0110.00816.46
7.3.240.0090.00716.48
7.3.230.0080.00816.48
7.3.210.0090.00616.45
7.3.200.0090.00916.45
7.3.190.0040.01116.47
7.3.180.0170.00316.65
7.3.170.0100.00716.58
7.3.160.0160.00016.59
7.2.330.0100.01316.71
7.2.320.0110.00716.76
7.2.310.0130.00316.24
7.2.300.0070.01016.79
7.2.290.0090.00916.52
7.2.80.0030.00916.74
7.2.60.0000.01517.14
7.2.00.0060.00319.43
7.1.200.0080.00615.76
7.1.100.0000.01318.00
7.1.70.0030.00517.06
7.1.60.0870.00733.13
7.1.50.0500.01332.97
7.1.40.0530.01732.48
7.1.30.0330.01332.42
7.1.20.0470.01032.54
7.1.10.0330.01714.55
7.1.00.0200.01014.68
7.0.200.0200.00714.79
7.0.190.0270.01014.99
7.0.180.0270.01714.52
7.0.170.0230.00714.30
7.0.160.0330.01014.27
7.0.150.0270.01014.39
7.0.140.0200.01014.34
7.0.130.0200.01314.61
7.0.120.0200.01314.71
7.0.110.0200.01714.33
7.0.100.0330.00714.36
7.0.90.0230.01014.35
7.0.80.0270.00714.68
7.0.70.0300.00314.31
7.0.60.0230.01313.99
7.0.50.0370.01014.47
7.0.40.0630.01314.50
7.0.30.0230.01014.36
7.0.20.0230.00714.62
7.0.10.0270.00714.46
7.0.00.0200.01314.57

preferences:
39.7 ms | 401 KiB | 5 Q