3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { private $bar = 'baz'; } class Qwe extends Foo { public function qwerty() { $reader = function & ($object, $property) { $value = & Closure::bind(function & () use ($property) { return $this->$property; }, $object, $object)->__invoke(); return $value; }; $bar = & $reader($this, 'bar'); var_dump($bar); } } $q = new Qwe(); $q->qwerty();

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)
8.3.40.0110.00419.09
8.3.30.0040.01119.22
8.3.20.0050.00320.16
8.3.10.0030.00522.00
8.3.00.0050.00322.39
8.2.170.0070.00722.96
8.2.160.0070.00720.95
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00319.36
8.2.110.0090.00020.37
8.2.100.0110.00017.59
8.2.90.0040.00419.08
8.2.80.0040.00417.97
8.2.70.0000.00817.63
8.2.60.0000.00817.90
8.2.50.0080.00018.07
8.2.40.0050.00318.22
8.2.30.0030.00517.98
8.2.20.0040.00417.57
8.2.10.0040.00417.63
8.2.00.0040.00417.82
8.1.270.0040.00423.95
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00622.01
8.1.230.0040.00820.88
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0060.00317.38
8.1.190.0000.00817.53
8.1.180.0040.00418.10
8.1.170.0030.00518.61
8.1.160.0000.00721.96
8.1.150.0000.00718.64
8.1.140.0000.00717.44
8.1.130.0050.00317.93
8.1.120.0070.00017.36
8.1.110.0040.00417.48
8.1.100.0050.00317.46
8.1.90.0040.00317.38
8.1.80.0050.00217.48
8.1.70.0000.00717.46
8.1.60.0040.00417.46
8.1.50.0000.00717.41
8.1.40.0050.00317.47
8.1.30.0080.00017.52
8.1.20.0050.00317.56
8.1.10.0000.00817.61
8.1.00.0040.00417.37
8.0.300.0040.00418.77
8.0.290.0050.00317.03
8.0.280.0000.00718.43
8.0.270.0070.00017.31
8.0.260.0030.00316.72
8.0.250.0000.00716.91
8.0.240.0000.00716.98
8.0.230.0040.00416.82
8.0.220.0070.00016.93
8.0.210.0040.00416.91
8.0.200.0030.00316.95
8.0.190.0030.00516.88
8.0.180.0030.00316.82
8.0.170.0080.00016.97
8.0.160.0020.00516.86
8.0.150.0000.00716.80
8.0.140.0000.00816.74
8.0.130.0030.00313.35
8.0.120.0040.00416.86
8.0.110.0000.00816.83
8.0.100.0020.00516.89
8.0.90.0050.00216.86
8.0.80.0090.00616.84
8.0.70.0040.00416.87
8.0.60.0070.00016.84
8.0.50.0070.00016.84
8.0.30.0120.00617.19
8.0.20.0060.01517.40
8.0.10.0000.00716.82
8.0.00.0080.00916.80
7.4.330.0000.00515.09
7.4.320.0030.00316.59
7.4.300.0030.00316.61
7.4.290.0030.00316.43
7.4.280.0050.00216.51
7.4.270.0040.00416.51
7.4.260.0030.00316.54
7.4.250.0070.00016.39
7.4.240.0040.00416.54
7.4.230.0070.00016.67
7.4.220.0100.00716.62
7.4.210.0060.00816.53
7.4.200.0000.00716.63
7.4.190.0000.00716.46
7.4.160.0000.01716.56
7.4.150.0140.00317.40
7.4.140.0080.01017.86
7.4.130.0110.00716.46
7.4.120.0130.00616.57
7.4.110.0070.01016.34
7.4.100.0150.00916.45
7.4.90.0140.00316.64
7.4.80.0130.00719.39
7.4.70.0090.00916.52
7.4.60.0030.01316.48
7.4.50.0000.00816.40
7.4.40.0000.01622.77
7.4.30.0100.00716.39
7.4.10.0060.00914.64
7.4.00.0070.00914.84
7.3.330.0050.00013.37
7.3.320.0060.00013.45
7.3.310.0080.00016.40
7.3.300.0030.00316.36
7.3.290.0060.00916.35
7.3.280.0080.01016.33
7.3.270.0170.00317.40
7.3.260.0100.01416.68
7.3.250.0110.00816.45
7.3.240.0060.01616.45
7.3.230.0030.01316.59
7.3.210.0110.00516.50
7.3.200.0060.01519.39
7.3.190.0120.01216.41
7.3.180.0070.01016.68
7.3.170.0150.00616.38
7.3.160.0120.00916.51
7.3.130.0130.00614.88
7.3.120.0080.00914.76
7.3.110.0100.00714.77
7.3.100.0130.00014.46
7.3.90.0100.00314.95
7.3.80.0040.01114.83
7.3.70.0090.00614.95
7.3.60.0000.01514.49
7.3.50.0080.00314.60
7.3.40.0110.00414.88
7.3.30.0090.00614.70
7.3.20.0070.00416.39
7.3.10.0060.00316.64
7.3.00.0070.00716.76
7.2.330.0030.01416.63
7.2.320.0130.01016.71
7.2.310.0130.00416.46
7.2.300.0070.01616.37
7.2.290.0040.01216.55
7.2.260.0040.01415.07
7.2.250.0110.00715.15
7.2.240.0030.01415.22
7.2.230.0060.00314.89
7.2.220.0060.00615.13
7.2.210.0040.01114.87
7.2.200.0040.01214.90
7.2.190.0060.01014.96
7.2.180.0040.00415.00
7.2.170.0030.01414.90
7.2.160.0030.01315.05
7.2.150.0040.00816.70
7.2.140.0070.01016.89
7.2.130.0090.00616.62
7.2.120.0080.00316.73
7.2.110.0060.01016.88
7.2.100.0040.00816.72
7.2.90.0000.01416.80
7.2.80.0050.00716.73
7.2.70.0060.00916.59
7.2.60.0120.00416.95
7.2.50.0040.00816.98
7.2.40.0040.01116.95
7.2.30.0060.00316.60
7.2.20.0090.00916.47
7.2.10.0080.00816.63
7.2.00.0070.00618.06
7.1.330.0030.01315.70
7.1.320.0040.00815.86
7.1.310.0090.00615.67
7.1.300.0030.00915.76
7.1.290.0070.00315.81
7.1.280.0070.00415.54
7.1.270.0060.00615.72
7.1.260.0040.00715.67
7.1.250.0030.01215.45
7.1.240.0130.00315.60
7.1.230.0060.00315.70
7.1.220.0070.01115.96
7.1.210.0090.00615.58
7.1.200.0050.00715.84
7.1.190.0060.00315.76
7.1.180.0120.00015.63
7.1.170.0030.01015.53
7.1.160.0070.00415.95
7.1.150.0030.01015.75
7.1.140.0040.01115.59
7.1.130.0040.00815.67
7.1.120.0060.00615.71
7.1.110.0030.01015.89
7.1.100.0050.00916.79
7.1.90.0070.01015.60
7.1.80.0100.00315.83
7.1.70.0060.00716.50
7.1.60.0070.01317.67
7.1.50.0050.00716.35
7.1.40.0030.01015.95
7.1.30.0000.01315.60
7.1.20.0030.00615.61
7.1.10.0030.00615.51
7.1.00.0020.04219.09
7.0.330.0040.00715.42
7.0.320.0040.01115.24
7.0.310.0000.01015.52
7.0.300.0070.01115.04
7.0.290.0030.01015.25
7.0.280.0030.01015.06
7.0.270.0000.01215.29
7.0.260.0060.00315.09
7.0.250.0080.00315.43
7.0.240.0090.00615.34
7.0.230.0000.01015.34
7.0.220.0100.00015.41
7.0.210.0070.00715.30
7.0.200.0040.01015.97
7.0.190.0060.00615.50
7.0.180.0000.00915.41
7.0.170.0070.00715.48
7.0.160.0070.00415.39
7.0.150.0030.01015.27
7.0.140.0060.03518.76
7.0.130.0090.00015.45
7.0.120.0060.00915.32
7.0.110.0080.00015.42
7.0.100.0040.00415.47
7.0.90.0070.00715.34
7.0.80.0090.00315.39
7.0.70.0060.00315.39
7.0.60.0090.04317.60
7.0.50.0080.03016.54
7.0.40.0050.04916.84
7.0.30.0150.03616.84
7.0.20.0100.03016.86
7.0.10.0050.04916.90
7.0.00.0150.03716.72
5.6.400.0070.00414.67
5.6.390.0120.00014.25
5.6.380.0060.00914.22
5.6.370.0040.00814.20
5.6.360.0110.00714.19
5.6.350.0070.00714.34
5.6.340.0070.00714.23
5.6.330.0060.00614.20
5.6.320.0120.00314.47
5.6.310.0030.01014.39
5.6.300.0000.01614.23
5.6.290.0000.00914.59
5.6.280.0080.03717.72
5.6.270.0050.00314.15
5.6.260.0090.00614.54
5.6.250.0000.01414.16
5.6.240.0000.01514.47
5.6.230.0070.00714.26
5.6.220.0070.00714.16
5.6.210.0080.03317.38
5.6.200.0050.02816.15
5.6.190.0020.04817.43
5.6.180.0200.04117.44
5.6.170.0130.04517.31
5.6.160.0070.04717.53
5.6.150.0090.04216.27
5.6.140.0050.02216.19
5.6.130.0120.03716.18
5.6.120.0030.04017.58
5.6.110.0060.04617.59
5.6.100.0080.02217.51
5.6.90.0060.02417.56
5.6.80.0070.03317.31
5.6.70.0090.00614.07
5.6.60.0080.00314.13
5.6.50.0030.00914.29
5.6.40.0060.00614.00
5.6.30.0030.01014.18
5.6.20.0000.01613.95
5.6.10.0060.00914.25
5.6.00.0030.01014.15
5.5.380.0030.01014.09
5.5.370.0110.00313.85
5.5.360.0070.00714.45
5.5.350.2040.02517.16
5.5.340.0040.02416.14
5.5.330.0050.04717.24
5.5.320.0150.02817.19
5.5.310.0110.03417.00
5.5.300.0040.02316.06
5.5.290.0120.03816.07
5.5.280.0060.02417.44
5.5.270.0050.04517.47
5.5.260.0090.02717.69
5.5.250.0090.03917.37
5.5.240.0100.03717.20
5.5.230.0030.00914.11
5.5.220.0070.01013.62
5.5.210.0060.00614.04
5.5.200.0040.01314.10
5.5.190.0000.01914.09
5.5.180.0070.01114.06
5.5.170.0060.00913.82
5.5.160.0030.01314.36
5.5.150.0120.00314.22
5.5.140.0030.00614.00
5.5.130.0110.00313.95
5.5.120.0060.00614.09
5.5.110.0060.00914.16
5.5.100.0140.00314.03
5.5.90.0110.00013.89
5.5.80.0030.01014.10
5.5.70.0070.01013.81
5.5.60.0000.01413.80
5.5.50.0090.00314.22
5.5.40.0000.01314.07
5.5.30.0070.01114.22
5.5.20.0050.01014.21
5.5.10.0120.00014.00
5.5.00.0120.00313.73
5.4.450.0130.04215.19
5.4.440.0120.02815.31
5.4.430.0150.03715.07
5.4.420.0130.02915.28
5.4.410.0160.03615.20
5.4.400.0150.02615.06
5.4.390.0170.03514.96
5.4.380.0150.03414.86
5.4.370.0150.03114.79
5.4.360.0160.02614.98
5.4.350.0150.02214.93
5.4.340.0140.02114.85
5.4.330.0030.00310.73
5.4.320.0170.03314.94
5.4.310.0120.02714.84
5.4.300.0070.03215.09
5.4.290.0120.04014.91
5.4.280.0100.04114.85
5.4.270.0230.03314.89
5.4.260.0120.02414.99
5.4.250.0180.03615.13
5.4.240.0120.02814.82
5.4.230.0120.02714.82
5.4.220.0120.02214.88
5.4.210.0140.02414.95
5.4.200.0120.02314.97
5.4.190.0100.02314.97
5.4.180.0050.02715.08
5.4.170.0110.02414.86
5.4.160.0120.02114.91
5.4.150.0150.01914.98
5.4.140.0170.03213.55
5.4.130.0140.03413.64
5.4.120.0110.02013.59
5.4.110.0120.02313.67
5.4.100.0190.03113.79
5.4.90.0140.02213.80
5.4.80.0180.02013.59
5.4.70.0190.01713.43
5.4.60.0140.03013.64
5.4.50.0150.02313.57
5.4.40.0080.02313.68
5.4.30.0100.02113.72
5.4.20.0140.02013.49
5.4.10.0160.02213.67
5.4.00.0080.02513.43
5.3.290.0120.01912.63
5.3.280.0120.03312.72
5.3.270.0180.02512.65
5.3.260.0170.03812.76
5.3.250.0160.02512.61
5.3.240.0120.02412.38
5.3.230.0140.03312.66
5.3.220.0120.02212.54
5.3.210.0160.02612.50
5.3.200.0060.02412.54
5.3.190.0130.02812.56
5.3.180.0140.02012.66
5.3.170.0130.02312.57
5.3.160.0130.03612.56
5.3.150.0130.02512.55
5.3.140.0130.02012.48
5.3.130.0080.02512.57
5.3.120.0140.02512.58
5.3.110.0100.02712.46
5.3.100.0150.02212.34
5.3.90.0120.03712.38
5.3.80.0170.01912.29
5.3.70.0160.01912.11
5.3.60.0150.03012.14
5.3.50.0130.02112.21
5.3.40.0150.02812.23
5.3.30.0200.03312.32
5.3.20.0130.03012.11
5.3.10.0120.03211.98
5.3.00.0130.03812.09
5.2.170.0200.05712.50
5.2.160.0270.05312.50
5.2.150.0170.05312.50
5.2.140.0130.03312.50
5.2.130.0200.02312.50
5.2.120.0170.02712.50
5.2.110.0130.06312.50
5.2.100.0100.03312.50
5.2.90.0230.04312.50
5.2.80.0200.03712.50
5.2.70.0200.05712.50
5.2.60.0230.04012.50
5.2.50.0170.06012.50
5.2.40.0170.04712.50
5.2.30.0130.03312.50
5.2.20.0200.04012.50
5.2.10.0230.04712.50
5.2.00.0270.02712.50
5.1.60.0130.04712.50
5.1.50.0170.04312.50
5.1.40.0070.05312.50
5.1.30.0170.04712.50
5.1.20.0130.04712.50
5.1.10.0130.04712.50
5.1.00.0170.04012.50
5.0.50.0100.03712.50
5.0.40.0070.03712.50
5.0.30.0070.05012.50
5.0.20.0100.02312.50
5.0.10.0100.02712.50
5.0.00.0100.06012.50
4.4.90.0070.01712.50
4.4.80.0070.01312.50
4.4.70.0100.03312.50
4.4.60.0070.01712.50
4.4.50.0070.03012.50
4.4.40.0070.02312.50
4.4.30.0130.02312.50
4.4.20.0130.01012.50
4.4.10.0130.03312.50
4.4.00.0100.05012.50
4.3.110.0070.01712.50
4.3.100.0100.03312.50
4.3.90.0100.01712.50
4.3.80.0070.04312.50
4.3.70.0130.03012.50
4.3.60.0070.03712.50
4.3.50.0130.02312.50
4.3.40.0130.04312.50
4.3.30.0070.02312.50
4.3.20.0030.02712.50
4.3.10.0100.02712.50
4.3.00.0030.03012.50

preferences:
45.71 ms | 400 KiB | 5 Q