3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test { private $secret = 'Nyy lbhe Onfr ner orybat gb hf.'; // private $callback; public $callback; final public function run() { call_user_func($this->callback); return $this->secret . PHP_EOL; } public function __set($k, $v) { $key = $v[($v[$v])]; // $v is some kind of weird array $value = $v(); // and a callback! $this->{$key} = $value; } //$test->callback = Closure::bind($clfn, null, 'Test'); } $test = new Test; // $clfn = function(){ $secret = 'hello'; }; $test->callback = Closure::bind($clfn, null, 'Test'); // end editing here echo $test->run();

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)
8.3.60.0090.00618.31
8.3.50.0160.00422.08
8.3.40.0130.00618.81
8.3.30.0070.00719.27
8.3.20.0050.00220.13
8.3.10.0000.00821.93
8.3.00.0060.00322.34
8.2.180.0060.00916.63
8.2.170.0120.00322.96
8.2.160.0100.00320.46
8.2.150.0030.00524.18
8.2.140.0120.00324.66
8.2.130.0110.00726.16
8.2.120.0090.00019.36
8.2.110.0030.00621.92
8.2.100.0040.00819.45
8.2.90.0070.00019.27
8.2.80.0060.00317.97
8.2.70.0000.00917.50
8.2.60.0080.00017.80
8.2.50.0040.00418.07
8.2.40.0040.00418.16
8.2.30.0040.00418.07
8.2.20.0020.00517.59
8.2.10.0040.00417.75
8.2.00.0040.00417.67
8.1.280.0060.01225.92
8.1.270.0040.00422.03
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0090.00023.97
8.1.230.0040.00819.22
8.1.220.0030.00617.79
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0000.00817.52
8.1.180.0040.00418.10
8.1.170.0050.00318.59
8.1.160.0000.00821.87
8.1.150.0000.00718.52
8.1.140.0040.00417.49
8.1.130.0000.00717.80
8.1.120.0040.00417.39
8.1.110.0040.00417.45
8.1.100.0040.00417.39
8.1.90.0040.00417.29
8.1.80.0070.00017.48
8.1.70.0000.00817.37
8.1.60.0000.00817.66
8.1.50.0070.00017.52
8.1.40.0040.00417.53
8.1.30.0040.00417.57
8.1.20.0040.00417.66
8.1.10.0000.00717.63
8.1.00.0070.00317.54
8.0.300.0040.00418.77
8.0.290.0040.00417.05
8.0.280.0040.00418.46
8.0.270.0000.00717.38
8.0.260.0000.00616.84
8.0.250.0070.00017.02
8.0.240.0040.00416.94
8.0.230.0050.00216.88
8.0.220.0000.00716.82
8.0.210.0000.00716.91
8.0.200.0000.00616.93
8.0.190.0040.00416.87
8.0.180.0000.00716.94
8.0.170.0040.00416.88
8.0.160.0040.00416.90
8.0.150.0040.00416.74
8.0.140.0040.00416.75
8.0.130.0030.00313.33
8.0.120.0000.00816.90
8.0.110.0040.00416.91
8.0.100.0040.00416.84
8.0.90.0040.00416.82
8.0.80.0090.00616.88
8.0.70.0040.00416.97
8.0.60.0030.00417.02
8.0.50.0000.00716.73
8.0.30.0100.01117.05
8.0.20.0150.00517.40
8.0.10.0000.00717.10
8.0.00.0150.00516.62
7.4.330.0070.00015.00
7.4.320.0030.00316.50
7.4.300.0050.00216.55
7.4.290.0030.00316.64
7.4.280.0070.00016.53
7.4.270.0000.00716.59
7.4.260.0000.00716.50
7.4.250.0050.00316.61
7.4.240.0050.00316.61
7.4.230.0030.00316.64
7.4.220.0070.01016.66
7.4.210.0070.00916.46
7.4.200.0000.00716.52
7.4.190.0030.00316.33
7.4.160.0060.00916.58
7.4.150.0210.00417.40
7.4.140.0130.00817.86
7.4.130.0100.00716.58
7.4.120.0130.00316.56
7.4.110.0070.01016.58
7.4.100.0130.00416.44
7.4.90.0120.00616.53
7.4.80.0060.01119.39
7.4.70.0060.01116.51
7.4.60.0140.00316.57
7.4.50.0000.00816.54
7.4.40.0030.01222.77
7.4.30.0030.01416.55
7.4.00.0030.01214.86
7.3.330.0030.00313.27
7.3.320.0030.00313.08
7.3.310.0040.00416.20
7.3.300.0030.00316.28
7.3.290.0060.01316.39
7.3.280.0050.01116.37
7.3.270.0100.01317.40
7.3.260.0070.01116.37
7.3.250.0140.00816.55
7.3.240.0100.00616.32
7.3.230.0130.00816.39
7.3.210.0070.01016.53
7.3.200.0090.00619.39
7.3.190.0120.01116.38
7.3.180.0060.00916.54
7.3.170.0130.00316.66
7.3.160.0110.00516.30
7.3.120.0060.00914.60
7.3.10.0090.00616.74
7.3.00.0030.01016.38
7.2.330.0190.00616.79
7.2.320.0130.01016.75
7.2.310.0110.01116.62
7.2.300.0060.01216.45
7.2.290.0070.01016.90
7.2.130.0030.00616.59
7.2.120.0000.01316.95
7.2.110.0030.00716.83
7.2.100.0030.01016.74
7.2.90.0070.00717.13
7.2.80.0090.00316.85
7.2.70.0100.00016.70
7.2.60.0070.00716.93
7.2.50.0120.00316.89
7.2.40.0030.00617.00
7.2.30.0070.00716.80
7.2.20.0060.00616.98
7.2.10.0040.00816.98
7.2.00.0040.00718.12
7.1.250.0000.01015.80
7.1.100.0030.01318.05
7.1.70.0000.00917.15
7.1.60.0040.00719.82
7.1.50.0130.00916.92
7.1.00.0100.06722.30
7.0.200.0040.00416.84
7.0.140.0000.07022.12
7.0.60.0170.07019.83
7.0.50.0170.07017.86
7.0.40.0130.08320.13
7.0.30.0330.05320.24
7.0.20.0230.08320.12
7.0.10.0270.06320.42
7.0.00.0070.08320.22
5.6.280.0030.07321.08
5.6.210.0100.05020.47
5.6.200.0030.08318.21
5.6.190.0100.05020.65
5.6.180.4230.04020.41
5.6.170.0300.07020.44
5.6.160.0030.08320.57
5.6.150.0030.06018.15
5.6.140.0000.04318.12
5.6.130.0130.08018.28
5.6.120.0100.08021.03
5.6.110.0100.08721.12
5.6.100.0100.07021.01
5.6.90.0170.07720.95
5.6.80.0030.07720.54
5.6.70.0400.04020.39
5.5.350.0030.05720.31
5.5.340.0100.07717.99
5.5.330.0070.03720.22
5.5.320.0200.04720.21
5.5.310.0370.05020.30
5.5.300.0000.04718.03
5.5.290.0000.08018.00
5.5.280.0070.06720.91
5.5.270.0130.07720.98
5.5.260.0130.07720.98
5.5.250.0030.05320.58
5.5.240.0000.04020.13
5.4.450.0500.05719.56
5.4.440.0730.07719.38
5.4.430.0100.06019.41
5.4.420.0030.06319.52
5.4.410.0130.05019.29
5.4.400.0830.00018.79
5.4.390.1230.00018.81
5.4.380.0230.05018.83
5.4.370.0270.03718.57
5.4.360.0200.04318.50
5.4.350.0100.06018.63
5.4.340.0200.05018.53
5.4.320.0070.03612.51
5.4.310.0040.04112.51
5.4.300.0070.03912.51
5.4.290.0080.05112.50
5.4.280.0050.03912.40
5.4.270.0200.06718.95
5.4.260.0100.05318.97
5.4.250.0100.07318.93
5.4.240.0170.07318.64
5.4.230.0230.06018.78
5.4.220.0130.06018.94
5.4.210.0100.07718.96
5.4.200.0170.07018.90
5.4.190.0130.04718.93
5.4.180.0200.06018.93
5.4.170.0030.07318.94
5.4.160.0100.05318.93
5.4.150.0030.08318.94
5.4.140.0130.04716.47
5.4.130.0200.05016.48
5.4.120.0070.07016.38
5.4.110.0100.06016.61
5.4.100.0200.05016.27
5.4.90.0130.04316.40
5.4.80.0200.05716.33
5.4.70.0100.07316.40
5.4.60.0100.04716.45
5.4.50.0130.06016.29
5.4.40.0170.04316.50
5.4.30.0130.06016.44
5.4.20.0070.07316.39
5.4.10.0130.06716.43
5.4.00.0100.05015.89
5.3.290.0110.03612.80
5.3.280.0100.05014.68
5.3.270.0070.05714.71
5.3.260.0200.04014.58
5.3.250.0100.05014.45
5.3.240.0230.06314.75
5.3.230.0070.05714.61
5.3.220.0070.06314.67
5.3.210.0170.06314.56
5.3.200.0070.07014.65
5.3.190.0100.06014.59
5.3.180.0130.04714.56
5.3.170.0070.07314.73
5.3.160.0030.06014.54
5.3.150.0070.05314.75
5.3.140.0130.06014.57
5.3.130.0230.06714.64
5.3.120.0130.05714.69
5.3.110.0100.06314.57
5.3.100.0130.06314.05
5.3.90.0100.05714.00
5.3.80.0130.06314.01
5.3.70.0100.05014.10
5.3.60.0100.07313.83
5.3.50.0130.05313.95
5.3.40.0100.07314.12
5.3.30.0130.06313.98
5.3.20.0100.05713.53
5.3.10.0130.06013.88
5.3.00.0170.06713.80
5.2.170.0030.05011.31
5.2.160.0070.04011.06
5.2.150.0030.05011.11
5.2.140.0030.06011.13
5.2.130.0130.04311.16
5.2.120.0030.04311.05
5.2.110.0070.03711.16
5.2.100.0100.05311.28
5.2.90.0070.04711.09
5.2.80.0130.04711.18
5.2.70.0300.03711.17
5.2.60.0000.05011.13
5.2.50.0070.04010.98
5.2.40.0000.06011.08
5.2.30.0000.04711.05
5.2.20.0000.05010.94
5.2.10.0070.04310.88
5.2.00.0100.04010.80
5.1.60.0030.0509.95
5.1.50.0000.0509.84
5.1.40.0130.02310.05
5.1.30.0070.06010.34
5.1.20.0070.03710.33
5.1.10.0030.04710.14
5.1.00.0030.03710.31
5.0.50.0100.0278.59
5.0.40.0100.0308.34
5.0.30.0100.0508.18
5.0.20.0100.0238.19
5.0.10.0030.0278.38
5.0.00.0030.0578.27
4.4.90.0030.0205.83
4.4.80.0030.0305.82
4.4.70.0030.0235.82
4.4.60.0100.0235.90
4.4.50.0000.0235.86
4.4.40.0100.0405.82
4.4.30.0070.0275.82
4.4.20.0030.0205.97
4.4.10.0000.0305.82
4.4.00.0070.0405.86
4.3.110.0030.0235.82
4.3.100.0070.0235.81
4.3.90.0030.0305.79
4.3.80.0000.0375.79
4.3.70.0000.0235.80
4.3.60.0000.0305.79
4.3.50.0000.0275.82
4.3.40.0070.0405.79
4.3.30.0100.0235.79
4.3.20.0100.0205.79
4.3.10.0000.0275.79
4.3.00.0170.0176.53

preferences:
50.8 ms | 400 KiB | 5 Q