3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private $a; public static function C() { var_dump(isset($this)); return $this->a; } public function F() { $f = function() { return $this->a; }; return $this; } }

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)
8.3.60.0130.00618.30
8.3.50.0140.00722.05
8.3.40.0150.00018.46
8.3.30.0100.00320.26
8.3.20.0040.00420.34
8.3.10.0040.00422.00
8.3.00.0000.00722.39
8.2.180.0000.01516.38
8.2.170.0070.00722.96
8.2.160.0070.00722.26
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0140.00426.16
8.2.120.0000.00819.64
8.2.110.0040.00420.38
8.2.100.0100.00617.59
8.2.90.0060.00319.00
8.2.80.0030.00617.97
8.2.70.0050.00317.38
8.2.60.0000.00817.91
8.2.50.0000.00918.07
8.2.40.0030.00619.72
8.2.30.0070.00317.84
8.2.20.0040.00417.40
8.2.10.0040.00417.55
8.2.00.0060.00517.60
8.1.280.0150.00025.92
8.1.270.0040.00424.66
8.1.260.0000.00826.35
8.1.250.0000.00828.09
8.1.240.0040.00421.72
8.1.230.0040.00820.93
8.1.220.0090.00017.74
8.1.210.0030.00618.77
8.1.200.0000.00817.23
8.1.190.0000.00817.10
8.1.180.0050.00318.10
8.1.170.0030.00618.37
8.1.160.0070.00018.76
8.1.150.0070.00018.48
8.1.140.0000.00817.23
8.1.130.0000.00817.68
8.1.120.0000.00717.34
8.1.110.0000.00717.22
8.1.100.0040.00317.34
8.1.90.0040.00417.36
8.1.80.0040.00417.25
8.1.70.0030.00317.32
8.1.60.0030.00517.42
8.1.50.0000.00717.32
8.1.40.0080.00017.29
8.1.30.0030.00617.41
8.1.20.0040.00417.49
8.1.10.0030.00617.32
8.1.00.0040.00417.30
8.0.300.0080.00019.90
8.0.290.0000.00816.58
8.0.280.0040.00418.22
8.0.270.0000.00717.18
8.0.260.0030.00316.68
8.0.250.0030.00316.77
8.0.240.0050.00316.69
8.0.230.0000.00816.82
8.0.220.0030.00316.78
8.0.210.0000.00716.80
8.0.200.0040.00416.81
8.0.190.0030.00316.82
8.0.180.0040.00416.83
8.0.170.0040.00416.66
8.0.160.0040.00416.84
8.0.150.0070.00016.74
8.0.140.0040.00316.73
8.0.130.0070.00013.25
8.0.120.0000.00816.63
8.0.110.0000.00716.73
8.0.100.0050.00316.70
8.0.90.0040.00416.66
8.0.80.0060.00916.73
8.0.70.0000.00716.69
8.0.60.0000.00716.75
8.0.50.0070.00016.71
8.0.30.0110.01116.93
8.0.20.0160.00317.40
8.0.10.0070.00016.91
8.0.00.0080.00816.64
7.4.330.0030.00315.00
7.4.320.0040.00416.50
7.4.300.0000.00616.45
7.4.290.0070.00016.45
7.4.280.0000.00616.36
7.4.270.0070.00016.32
7.4.260.0000.00816.48
7.4.250.0030.00316.27
7.4.240.0020.00516.42
7.4.230.0050.00216.17
7.4.220.0040.01416.53
7.4.210.0040.01016.46
7.4.200.0070.00016.55
7.4.190.0030.00316.53
7.4.160.0060.01316.57
7.4.150.0110.00717.40
7.4.140.0110.00617.86
7.4.130.0070.01116.34
7.4.120.0080.01016.49
7.4.110.0080.00816.48
7.4.100.0120.00916.49
7.4.90.0160.00316.28
7.4.80.0060.01519.39
7.4.70.0060.01016.39
7.4.60.0080.00816.11
7.4.50.0040.00416.36
7.4.40.0090.00622.77
7.4.30.0090.00616.27
7.4.00.0000.01814.87
7.3.330.0030.00313.13
7.3.320.0000.00512.92
7.3.310.0070.00016.17
7.3.300.0000.00616.19
7.3.290.0070.00716.11
7.3.280.0070.01016.15
7.3.270.0070.01017.40
7.3.260.0060.01216.41
7.3.250.0030.01416.38
7.3.240.0060.01616.20
7.3.230.0110.00516.39
7.3.210.0060.01216.27
7.3.200.0080.01119.39
7.3.190.0110.00716.34
7.3.180.0110.00816.45
7.3.170.0140.00716.27
7.3.160.0030.01316.37
7.3.120.0120.00314.69
7.3.10.0030.01016.50
7.3.00.0030.01016.32
7.2.330.0120.00916.18
7.2.320.0120.00916.38
7.2.310.0070.01016.53
7.2.300.0100.00616.30
7.2.290.0060.00916.57
7.2.130.0000.01416.63
7.2.120.0000.01016.73
7.2.110.0030.00816.74
7.2.100.0000.01816.75
7.2.90.0090.00616.78
7.2.80.0070.00716.73
7.2.70.0120.00316.60
7.2.60.0050.00716.54
7.2.50.0060.00316.46
7.2.40.0000.01416.70
7.2.30.0120.00316.59
7.2.20.0030.00616.40
7.2.10.0040.01116.60
7.2.00.0050.00617.75
7.1.250.0000.01415.48
7.1.200.0090.00315.67
7.1.100.0200.00417.98
7.1.70.0040.00417.09
7.1.60.0070.01719.43
7.1.50.0060.01616.79
7.1.00.0000.03722.38
7.0.200.0100.00016.24
7.0.140.0070.07022.21
7.0.60.0100.04720.05
7.0.50.0030.08317.79
7.0.40.0000.04720.13
7.0.30.0200.04720.23
7.0.20.0300.07720.21
7.0.10.0270.06320.35
7.0.00.0130.05020.11
5.6.280.0070.07020.86
5.6.210.0100.07020.45
5.6.200.0000.04718.16
5.6.190.0070.04320.45
5.6.180.0230.03720.57
5.6.170.0270.08020.56
5.6.160.0100.08020.46
5.6.150.0100.06018.15
5.6.140.0100.07718.12
5.6.130.0100.08718.21
5.6.120.0030.04021.00
5.6.110.0130.07721.13
5.6.100.0100.03720.98
5.6.90.0130.08021.12
5.6.80.0070.04720.26
5.6.70.0230.03320.52
5.5.350.0000.08720.31
5.5.340.0070.03718.09
5.5.330.0270.06320.41
5.5.320.0300.08020.30
5.5.310.0230.04320.27
5.5.300.0030.05317.99
5.5.290.0000.08717.94
5.5.280.0030.05320.86
5.5.270.0070.09020.77
5.5.260.0030.08320.77
5.5.250.0100.04320.70
5.5.240.0070.03720.16
5.4.450.2070.04319.47
5.4.440.1830.04019.29
5.4.430.2530.03019.27
5.4.420.1870.03719.41
5.4.410.1470.04719.41
5.4.400.0000.04019.06
5.4.390.0100.03319.22
5.4.380.0030.03719.20
5.4.370.1100.04019.20
5.4.360.1930.02719.12
5.4.350.0430.03018.98
5.4.340.0030.03718.98
5.4.320.0500.04718.86
5.4.310.1830.03019.09
5.4.300.1730.03719.22
5.4.290.2000.04019.21
5.4.280.1930.04718.87
5.4.270.2100.03719.09
5.4.260.1730.03019.23
5.4.250.1930.03019.22
5.4.240.1830.05018.99
5.4.230.1730.04019.30
5.4.220.1830.03319.16
5.4.210.1630.03319.08
5.4.200.0030.04319.19
5.4.190.0030.03718.93
5.4.180.0930.04319.30
5.4.170.1600.04319.21
5.4.160.1900.04719.07
5.4.150.1900.04318.98
5.4.140.1570.04016.35
5.4.130.2200.03716.48
5.4.120.1730.02716.71
5.4.110.1770.03316.46
5.4.100.1800.03016.26
5.4.90.1700.03016.45
5.4.80.1700.04016.62
5.4.70.1370.04016.28
5.4.60.0070.03016.51
5.4.50.0100.03716.31
5.4.40.0830.03016.50
5.4.30.2030.03316.42
5.4.20.2070.03716.48
5.4.10.2000.04316.53
5.4.00.1970.03315.96
5.3.290.1970.04314.64
5.3.280.1670.04714.61
5.3.270.2170.04014.69
5.3.260.1770.05014.68
5.3.250.1930.04014.70
5.3.240.1930.03714.47
5.3.230.0000.05314.60
5.3.220.0070.04014.71
5.3.210.1130.05714.68
5.3.200.2100.04314.57
5.3.190.2030.04014.64
5.3.180.1970.04314.70
5.3.170.2030.03314.65
5.3.160.2070.04014.54
5.3.150.2100.04714.59
5.3.140.1970.03714.59
5.3.130.1800.03714.55
5.3.120.1830.04014.45
5.3.110.2100.04014.63
5.3.100.1870.03313.96
5.3.90.1900.03314.04
5.3.80.2100.04314.14
5.3.70.2070.05014.17
5.3.60.1800.04014.01
5.3.50.1970.03714.07
5.3.40.1900.03014.19
5.3.30.2170.03714.14
5.3.20.1900.03713.78
5.3.10.2200.04013.63
5.3.00.1870.03313.65
5.2.170.1770.04011.11
5.2.160.1900.02311.30
5.2.150.1670.03311.38
5.2.140.1700.03711.26
5.2.130.1670.02311.08
5.2.120.1870.03711.04
5.2.110.1700.02311.02
5.2.100.1700.03711.25
5.2.90.1530.03011.11
5.2.80.1770.03311.02
5.2.70.1670.05711.15
5.2.60.1530.03311.27
5.2.50.1470.03010.93
5.2.40.1430.03311.24
5.2.30.1170.03011.12
5.2.20.1230.02310.92
5.2.10.1270.02011.01
5.2.00.1170.03010.94
5.1.60.1200.02310.05
5.1.50.1400.0239.90
5.1.40.1500.0279.86
5.1.30.1370.02710.39
5.1.20.1330.03010.36
5.1.10.1200.02710.20
5.1.00.1330.02710.12
5.0.50.0600.0208.68
5.0.40.0630.0208.50
5.0.30.0770.0338.10
5.0.20.0800.0308.21
5.0.10.0630.0278.23
5.0.00.0630.0308.14
4.4.90.0730.0238.07
4.4.80.0630.0178.07
4.4.70.0830.0208.07
4.4.60.0730.0238.07
4.4.50.0700.0178.07
4.4.40.0600.0278.07
4.4.30.0700.0178.07
4.4.20.0800.0208.07
4.4.10.0600.0178.07
4.4.00.0630.0338.07
4.3.110.0600.0138.07
4.3.100.0700.0208.07
4.3.90.0770.0208.07
4.3.80.0600.0278.07
4.3.70.0730.0278.07
4.3.60.0670.0138.07
4.3.50.0800.0208.07
4.3.40.0630.0238.07
4.3.30.0330.0208.07
4.3.20.0400.0308.07
4.3.10.0370.0238.07
4.3.00.0300.0178.07

preferences:
39.24 ms | 401 KiB | 5 Q