3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); // so only PHP 7 will show up class FooBar { private $x; public function __construct() { var_dump($this); echo "Let's remove a property!", PHP_EOL; var_dump($this); echo "Let's add a property!", PHP_EOL; $this->x = 2; var_dump($this); echo "Where did the private come from?", PHP_EOL; } } $foobar = new Foobar;

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)
8.3.60.0070.01416.47
8.3.50.0140.00721.93
8.3.40.0090.00918.71
8.3.30.0060.00918.79
8.3.20.0050.00320.30
8.3.10.0100.00323.36
8.3.00.0060.00619.25
8.2.180.0140.00416.50
8.2.170.0070.01022.96
8.2.160.0070.01020.34
8.2.150.0050.00524.18
8.2.140.0040.00424.66
8.2.130.0050.00320.51
8.2.120.0050.00326.35
8.2.110.0030.00621.11
8.2.100.0000.01217.80
8.2.90.0050.00319.27
8.2.80.0040.00417.97
8.2.70.0050.00517.63
8.2.60.0080.00019.13
8.2.50.0040.00418.10
8.2.40.0040.00419.53
8.2.30.0070.00020.62
8.2.20.0000.00817.60
8.2.10.0040.00417.99
8.2.00.0040.00417.87
8.1.280.0100.01025.92
8.1.270.0060.00323.84
8.1.260.0080.00028.09
8.1.250.0040.00428.09
8.1.240.0000.00921.18
8.1.230.0000.01117.66
8.1.220.0030.00517.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0060.00317.23
8.1.180.0040.00418.10
8.1.170.0030.00518.46
8.1.160.0060.00321.89
8.1.150.0000.00818.73
8.1.140.0050.00319.56
8.1.130.0040.00417.55
8.1.120.0000.00717.38
8.1.110.0040.00417.43
8.1.100.0060.00317.29
8.1.90.0000.00817.41
8.1.80.0000.00717.23
8.1.70.0000.00717.46
8.1.60.0030.00617.65
8.1.50.0050.00317.52
8.1.40.0030.00617.56
8.1.30.0000.00917.65
8.1.20.0000.00817.57
8.1.10.0050.00217.55
8.1.00.0040.00417.55
8.0.300.0040.00418.77
8.0.290.0000.01016.63
8.0.280.0030.00318.31
8.0.270.0040.00417.20
8.0.260.0030.00318.44
8.0.250.0030.00316.87
8.0.240.0000.00716.91
8.0.230.0030.00416.93
8.0.220.0030.00316.74
8.0.210.0000.00716.71
8.0.200.0040.00416.79
8.0.190.0040.00416.80
8.0.180.0050.00316.89
8.0.170.0040.00416.84
8.0.160.0050.00316.90
8.0.150.0000.00716.89
8.0.140.0030.00316.77
8.0.130.0030.00313.24
8.0.120.0030.00616.73
8.0.110.0040.00416.85
8.0.100.0050.00216.79
8.0.90.0050.00316.65
8.0.80.0040.01116.82
8.0.70.0060.00316.70
8.0.60.0040.00416.78
8.0.50.0040.00416.79
8.0.30.0130.00517.08
8.0.20.0140.01117.40
8.0.10.0000.00717.00
8.0.00.0060.01116.60
7.4.330.0000.00516.80
7.4.320.0030.00316.58
7.4.300.0030.00316.64
7.4.290.0040.00416.64
7.4.280.0000.01016.59
7.4.270.0030.00316.59
7.4.260.0030.00316.50
7.4.250.0070.00016.46
7.4.240.0030.00416.61
7.4.230.0000.00716.40
7.4.220.0040.01716.54
7.4.210.0050.01116.50
7.4.200.0040.00316.60
7.4.160.0000.01516.29
7.4.150.0120.01217.40
7.4.140.0070.01117.86
7.4.130.0090.00816.58
7.4.120.0070.01216.57
7.4.110.0070.01016.61
7.4.100.0240.00016.50
7.4.90.0090.00916.46
7.4.80.0040.01519.39
7.4.70.0060.01016.45
7.4.60.0070.01116.41
7.4.50.0080.00616.41
7.4.40.0100.00716.41
7.4.30.0030.01616.50
7.4.00.0030.01314.92
7.3.330.0050.00013.13
7.3.320.0050.00013.28
7.3.310.0040.00416.15
7.3.300.0070.00016.18
7.3.290.0000.00716.26
7.3.280.0100.00716.30
7.3.270.0060.01217.40
7.3.260.0200.00716.48
7.3.250.0110.00616.44
7.3.240.0110.00616.29
7.3.230.0070.01016.39
7.3.210.0110.00716.49
7.3.200.0070.01016.56
7.3.190.0080.00816.35
7.3.180.0070.01016.40
7.3.170.0190.00316.38
7.3.160.0130.00316.36
7.3.120.0110.00715.07
7.3.110.0070.01114.94
7.3.100.0040.01214.62
7.3.90.0060.00614.61
7.3.80.0040.00814.96
7.3.70.0070.00714.84
7.3.60.0040.00714.77
7.3.50.0050.00514.48
7.3.40.0030.01314.78
7.3.30.0030.01614.68
7.3.20.0100.01016.71
7.3.10.0080.00916.53
7.3.00.0090.00816.29
7.2.330.0130.00416.57
7.2.320.0000.01816.72
7.2.310.0230.00016.64
7.2.300.0070.01116.32
7.2.290.0120.00616.76
7.2.250.0060.01015.29
7.2.240.0070.01414.97
7.2.230.0070.00715.04
7.2.220.0060.00615.18
7.2.210.0070.00714.73
7.2.200.0030.01314.86
7.2.190.0030.00615.16
7.2.180.0090.00615.14
7.2.170.0030.01715.16
7.2.130.0040.01116.67
7.2.120.0170.00316.52
7.2.110.0000.01316.79
7.2.100.0110.00716.66
7.2.90.0130.01016.57
7.2.80.0100.01316.39
7.2.70.0140.00716.52
7.2.60.0100.01016.52
7.2.50.0140.01216.61
7.2.40.0130.01316.27
7.2.30.0200.01016.34
7.2.20.0090.01316.36
7.2.10.0140.01016.77
7.2.00.0220.01117.97
7.1.330.0090.00615.74
7.1.320.0040.00715.54
7.1.310.0030.00915.90
7.1.300.0050.00515.64
7.1.290.0030.01315.68
7.1.280.0070.00715.79
7.1.270.0030.01615.64
7.1.260.0100.00015.79
7.1.250.0130.00315.48
7.1.200.0040.01115.73
7.1.100.0040.00818.09
7.1.70.0120.00317.12
7.1.60.0140.01119.36
7.1.50.0060.00916.80
7.1.00.0030.07722.40
7.0.200.0000.01116.75
7.0.60.0130.05019.90
7.0.50.0130.06717.72
7.0.40.0000.08020.05
7.0.30.0370.04320.26
7.0.20.0270.06720.08
7.0.10.0000.04720.33
7.0.00.0100.04020.07
5.6.280.0070.05321.08
5.6.210.0030.04020.55
5.6.200.0000.04318.24
5.6.190.0030.07720.68
5.6.180.0370.04720.46
5.6.170.0230.05720.47
5.6.160.0100.08320.54
5.6.150.0070.06718.24
5.6.140.0030.08718.14
5.6.130.0000.07718.15
5.6.120.0170.07021.02
5.6.110.0030.08721.11
5.6.100.0030.04721.13
5.6.90.0130.07720.96
5.6.80.0100.07320.51
5.5.350.0200.07320.45
5.5.340.0130.06018.03
5.5.330.0100.05720.23
5.5.320.0230.03720.51
5.5.310.0270.08320.30
5.5.300.0070.05317.99
5.5.290.0070.06717.97
5.5.280.0030.04320.74
5.5.270.0000.06020.88
5.5.260.0130.06320.68
5.5.250.0130.07720.54
5.5.240.0200.07720.17

preferences:
38.89 ms | 401 KiB | 5 Q