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; 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)
7.4.10.0100.01015.02
7.4.00.0070.01115.19
7.3.130.0030.01514.96
7.3.120.0130.00615.10
7.3.110.0090.00614.80
7.3.100.0040.00714.91
7.3.90.0070.00315.02
7.3.80.0040.00415.12
7.3.70.0000.01414.84
7.3.60.0060.00614.60
7.3.50.0070.00314.81
7.3.40.0090.00614.64
7.3.30.0060.01214.96
7.3.20.0030.00816.72
7.3.10.0120.00316.79
7.3.00.0040.00916.71
7.2.260.0080.01214.68
7.2.250.0040.01115.00
7.2.240.0070.00715.02
7.2.230.0100.00715.01
7.2.220.0110.00715.22
7.2.210.0040.00815.10
7.2.200.0000.00915.20
7.2.190.0040.01214.75
7.2.180.0030.01215.04
7.2.170.0100.00714.66
7.2.160.0080.00614.98
7.2.150.0100.00316.99
7.2.140.0050.00516.91
7.2.130.0030.01316.97
7.2.120.0030.01316.82
7.2.110.0060.00816.85
7.2.100.0070.00716.97
7.2.90.0050.01016.85
7.2.80.0030.01016.96
7.2.70.0050.01117.04
7.2.60.0060.00616.82
7.2.50.0030.00916.92
7.2.40.0060.00817.11
7.2.30.0060.00816.96
7.2.20.0030.01016.80
7.2.10.0020.01316.98
7.2.00.0060.00717.71
7.1.330.0000.01215.89
7.1.320.0000.01715.54
7.1.310.0070.00715.86
7.1.300.0030.00915.80
7.1.290.0090.00615.82
7.1.280.0090.00615.67
7.1.270.0070.00315.86
7.1.260.0070.00715.53
7.1.250.0050.00815.77
7.1.240.0070.00715.48
7.1.230.0000.01315.86
7.1.220.0120.00315.76
7.1.210.0030.01015.88
7.1.200.0030.00615.88
7.1.190.0030.00815.41
7.1.180.0090.00315.74
7.1.170.0100.00315.87
7.1.160.0040.01115.43
7.1.150.0040.00815.71
7.1.140.0080.00415.77
7.1.130.0090.00315.91
7.1.120.0040.01115.76
7.1.110.0000.01215.70
7.1.100.0050.00817.04
7.1.90.0040.01115.64
7.1.80.0060.00615.57
7.1.70.0080.00916.35
7.1.60.0080.00817.62
7.1.50.0070.01016.39
7.1.40.0070.00715.64
7.1.30.0030.00615.79
7.1.20.0040.00815.73
7.1.10.0110.00315.54
7.1.00.0030.04119.13
7.0.330.0100.00315.61
7.0.320.0060.00315.41
7.0.310.0000.01115.35
7.0.300.0040.00715.41
7.0.290.0080.00415.12
7.0.280.0000.01515.21
7.0.270.0060.00915.39
7.0.260.0110.00415.14
7.0.250.0060.01015.20
7.0.240.0030.01015.40
7.0.230.0030.01315.68
7.0.220.0070.00715.43
7.0.210.0070.01015.18
7.0.200.0020.00916.16
7.0.190.0060.00615.43
7.0.180.0090.00615.28
7.0.170.0090.00015.62
7.0.160.0030.00615.58
7.0.150.0050.00815.20
7.0.140.0110.00415.40
7.0.130.0050.00815.23
7.0.120.0040.01115.39
7.0.110.0070.00315.34
7.0.100.0070.01015.59
7.0.90.0090.00615.36
7.0.80.0000.01015.40
7.0.70.0070.00715.59
7.0.60.0080.02317.62
7.0.50.0070.04616.68
7.0.40.0100.04016.88
7.0.30.0120.05216.82
7.0.20.0130.02316.79
7.0.10.0070.03416.81
7.0.00.0080.04016.86
5.6.400.0000.01114.11
5.6.390.0090.00614.30
5.6.380.0030.00914.15
5.6.370.0060.00614.45
5.6.360.0090.00614.29
5.6.350.0090.00614.37
5.6.340.0070.00414.11
5.6.330.0060.00914.39
5.6.320.0080.00414.48
5.6.310.0090.00014.70
5.6.300.0040.00814.20
5.6.290.0110.00414.21
5.6.280.0020.02417.54
5.6.270.0070.00714.18
5.6.260.0090.00314.30
5.6.250.0040.01214.40
5.6.240.0040.00814.20
5.6.230.0060.00314.21
5.6.220.0030.00614.32
5.6.210.0060.04517.37
5.6.200.0070.03716.29
5.6.190.0100.04317.36
5.6.180.0200.03217.52
5.6.170.0140.03517.58
5.6.160.0060.03817.30
5.6.150.0080.04416.25
5.6.140.0030.03316.30
5.6.130.0080.04316.34
5.6.120.0030.02617.74
5.6.110.0090.04217.72
5.6.100.0070.04217.51
5.6.90.0060.02517.55
5.6.80.0060.02117.29
5.6.70.0070.00714.18
5.6.60.0040.00714.45
5.6.50.0000.00814.06
5.6.40.0090.00614.28
5.6.30.0070.00714.12
5.6.20.0100.00614.29
5.6.10.0070.00714.00
5.6.00.0000.01014.11
5.5.380.0040.01114.36
5.5.370.0070.01014.51
5.5.360.0030.00914.23
5.5.350.0080.03917.39
5.5.340.0080.04316.12
5.5.330.0070.04717.31
5.5.320.1710.02717.29
5.5.310.0150.03117.33
5.5.300.0070.03816.16
5.5.290.0070.03516.07
5.5.280.0100.01717.59
5.5.270.0050.02817.62
5.5.260.0090.04317.38
5.5.250.0090.04317.46
5.5.240.0100.03817.12
5.5.230.0100.00313.89
5.5.220.0090.00614.15
5.5.210.0100.00314.13
5.5.200.0080.00414.06
5.5.190.0060.00614.37
5.5.180.0070.00713.80
5.5.170.0090.00614.34
5.5.160.0060.00614.09
5.5.150.0000.00914.19
5.5.140.0060.00914.26
5.5.130.0100.00714.23
5.5.120.0110.00314.24
5.5.110.0030.01013.91
5.5.100.0040.00814.29
5.5.90.0000.01514.20
5.5.80.0060.00614.36
5.5.70.0030.00914.32
5.5.60.0090.00313.95
5.5.50.0030.00714.34
5.5.40.0040.00714.29
5.5.30.0000.01313.89
5.5.20.0040.01113.72
5.5.10.0000.00814.28
5.5.00.0040.01113.82
5.4.450.0470.03515.70
5.4.440.0520.03215.71
5.4.430.0470.04015.72
5.4.420.0510.02715.67
5.4.410.0470.03215.63
5.4.400.0100.02915.53
5.4.390.0160.02515.54
5.4.380.0120.03515.34
5.4.370.0100.03215.48
5.4.360.0080.03115.48
5.4.350.0070.03315.40
5.4.340.0050.03415.43
5.4.330.0030.00611.81
5.4.320.0190.02515.59
5.4.310.0200.02715.40
5.4.300.0150.03315.56
5.4.290.0180.03015.48
5.4.280.0200.03015.34
5.4.270.0130.03215.41
5.4.260.0170.03015.34
5.4.250.0180.03015.34
5.4.240.0170.02815.52
5.4.230.0150.03215.52
5.4.220.0280.02715.57
5.4.210.0220.02515.51
5.4.200.0170.03015.55
5.4.190.0200.02815.32
5.4.180.0180.03215.46
5.4.170.0170.03015.51
5.4.160.0200.02515.54
5.4.150.0210.02615.42
5.4.140.0200.03414.19
5.4.130.0260.03114.16
5.4.120.0130.03614.16
5.4.110.0160.02814.19
5.4.100.0140.03014.12
5.4.90.0170.03014.16
5.4.80.0180.02714.16
5.4.70.0150.03714.20
5.4.60.0170.02714.20
5.4.50.0170.02714.03
5.4.40.0170.03014.20
5.4.30.0200.02913.98
5.4.20.0280.02714.11
5.4.10.0220.02814.20
5.4.00.0220.03013.92

preferences:
36.41 ms | 401 KiB | 5 Q