3v4l.org

run code in 300+ PHP versions simultaneously
<?php class ZeroDayTechnique { public function key($action = 'get', $value = null) { static $hidden = null; switch ($action) { case 'get': return $hidden; case 'set': $hidden = $value; break; default: throw new Exception('Wut in da hell'); } } } $x = new ZeroDayTechnique; $x->key('set', random_bytes(32)); var_dump(bin2hex($x->key('get'))); var_dump($x);

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)
7.2.110.0150.01016.55
7.2.100.0140.00916.20
7.2.90.0110.01516.36
7.2.80.0180.01116.38
7.2.70.0540.00716.43
7.2.60.0510.01016.83
7.2.50.0440.00616.43
7.2.40.0370.00916.64
7.2.30.0360.01117.03
7.2.20.0370.01216.74
7.2.10.0300.01116.41
7.2.00.0410.00916.28
7.1.230.0160.00815.60
7.1.220.0110.01315.76
7.1.210.0200.00715.91
7.1.200.0130.01415.51
7.1.190.0320.01815.55
7.1.180.0290.02015.73
7.1.170.0190.01315.79
7.1.160.0520.01015.74
7.1.150.0280.01015.30
7.1.140.0240.01315.76
7.1.130.0270.01015.69
7.1.120.0260.01015.46
7.1.110.0290.00915.71
7.1.100.0480.00015.79
7.1.90.0280.01115.91
7.1.80.0190.00415.88
7.1.70.0110.00916.50
7.1.60.0150.01417.55
7.1.50.0200.00716.42
7.1.40.0190.01015.89
7.1.30.0210.00715.92
7.1.20.0190.01515.53
7.1.10.0140.00515.51
7.1.00.0110.04019.05
7.0.310.0180.00615.13
7.0.300.0720.00315.50
7.0.290.0650.00015.41
7.0.280.0300.01015.43
7.0.270.0320.00414.96
7.0.260.0400.00415.41
7.0.250.0280.00315.40
7.0.240.0380.00015.07
7.0.230.0170.00815.32
7.0.220.0130.01115.28
7.0.210.0160.00815.27
7.0.200.0100.00615.93
7.0.190.0200.00715.45
7.0.180.0190.00615.22
7.0.170.0180.00715.29
7.0.160.0140.01115.45
7.0.150.0140.00715.04
7.0.140.0210.00715.19
7.0.130.0150.00715.40
7.0.120.0120.01215.41
7.0.110.0170.00715.44
7.0.100.0200.04417.71
7.0.90.0140.04017.60
7.0.80.0190.03717.62
7.0.70.0110.04117.61
7.0.60.0070.04717.68
7.0.50.0120.03717.78
7.0.40.0080.04916.87
7.0.30.0100.04116.82
7.0.20.0130.04316.79
7.0.10.0080.04116.82
7.0.00.0090.05116.72
5.6.380.0170.00614.57
5.6.370.0160.00814.51
5.6.360.0440.00014.52
5.6.350.0420.00414.15
5.6.340.0370.00814.05
5.6.330.0440.00414.21
5.6.320.0250.01114.07
5.6.310.0170.01314.53
5.6.300.0190.00314.54
5.6.290.0110.01214.30
5.6.280.0110.02117.73
5.6.270.0070.01414.25
5.6.260.0210.00614.19
5.6.250.0130.04017.36
5.6.240.0070.04817.50
5.6.230.0110.02717.63
5.6.220.0100.04717.44
5.6.210.0120.03717.47
5.6.200.0090.04717.63
5.6.190.0170.03917.64
5.6.180.0120.04017.53
5.6.170.0110.04517.55
5.6.160.0170.03817.49
5.6.150.0080.04717.60
5.6.140.0150.04617.55
5.6.130.0100.04617.55
5.6.120.0100.04317.77
5.6.110.0080.04717.75
5.6.100.0090.04517.72
5.6.90.0150.02817.64
5.6.80.0030.04717.44
5.6.70.0100.04717.30
5.6.60.0140.04317.33
5.6.50.0130.04117.33
5.6.40.0140.04017.29
5.6.30.0150.04217.17
5.6.20.0220.02517.08
5.6.10.0170.03917.16
5.6.00.0210.04217.17
5.5.380.0090.04115.82
5.5.370.0130.04215.82
5.5.360.0060.04415.58
5.5.350.0070.04015.60
5.5.340.0140.03115.88
5.5.330.0110.04116.07
5.5.320.0100.02015.92
5.5.310.0130.04015.68
5.5.300.0100.04416.05
5.5.290.0120.03316.02
5.5.280.0140.03715.88
5.5.270.0110.03716.09
5.5.260.0120.03915.93
5.5.250.0110.04215.92
5.5.240.0060.04515.67
5.5.230.0050.04215.55
5.5.220.0090.03615.62
5.5.210.0170.03515.73
5.5.200.0040.02915.65
5.5.190.0090.03815.66
5.5.180.0100.04015.50
5.5.170.0180.00714.10
5.5.160.0080.03415.40
5.5.150.0070.04615.68
5.5.140.0050.04415.72
5.5.130.0130.02615.67
5.5.120.0120.04315.66
5.5.110.0150.03515.64
5.5.100.0130.03515.67
5.5.90.0100.04515.47
5.5.80.0070.03315.44
5.5.70.0160.04115.44
5.5.60.0150.03515.54
5.5.50.0110.02615.51
5.5.40.0080.04215.50
5.5.30.0190.03215.66
5.5.20.0090.04215.49
5.5.10.0090.04215.45
5.5.00.0110.03815.45
5.4.450.0110.04115.17
5.4.440.0150.02615.25
5.4.430.0030.03215.13
5.4.420.0080.04315.06
5.4.410.0080.04314.94
5.4.400.0120.03815.03
5.4.390.0100.03714.92
5.4.380.0100.03714.87
5.4.370.0140.03714.84
5.4.360.0130.03415.10
5.4.350.0090.03914.96
5.4.340.0170.02114.97
5.4.330.0190.00310.92
5.4.320.0220.03015.02
5.4.310.0150.03014.88
5.4.300.0080.04114.79
5.4.290.0160.02414.83
5.4.280.0100.03815.00
5.4.270.0140.02814.97
5.4.260.0080.04515.05
5.4.250.0100.03214.79
5.4.240.0120.03314.89
5.4.230.0150.03314.95
5.4.220.0210.03214.97
5.4.210.0160.04014.99
5.4.200.0170.02714.92
5.4.190.0160.03315.01
5.4.180.0140.03414.93
5.4.170.0150.02514.97
5.4.160.0090.03514.77
5.4.150.0080.03114.73
5.4.140.0100.02313.65
5.4.130.0180.03313.63
5.4.120.0110.03913.54
5.4.110.0120.03713.76
5.4.100.0130.02713.66
5.4.90.0020.04013.58
5.4.80.0170.03713.57
5.4.70.0130.03313.50
5.4.60.0080.03913.54
5.4.50.0110.03513.63
5.4.40.0160.03613.75
5.4.30.0140.03513.66
5.4.20.0100.03013.70
5.4.10.0130.03813.72
5.4.00.0180.03813.26

preferences:
30.91 ms | 401 KiB | 5 Q