3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { private $p1 = "secret"; public function B() { ${'t' . 'his'} = 'hidden'; // works $GLOBALS['this'] = 'lovely'; echo "{$GLOBALS['this']} $this {$this->p1}"; } } $a = new A; $a->B();

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)
8.3.40.0040.01118.68
8.3.30.0030.01018.89
8.3.20.0000.00720.34
8.3.10.0040.00423.50
8.3.00.0080.00017.38
8.2.170.0070.00722.96
8.2.160.0070.00720.27
8.2.150.0000.00724.18
8.2.140.0080.00024.66
8.2.130.0090.00026.16
8.2.120.0040.00421.09
8.2.110.0080.00319.27
8.2.100.0070.00417.78
8.2.90.0000.00819.15
8.2.80.0040.00417.97
8.2.70.0000.00817.38
8.2.60.0000.00817.90
8.2.50.0000.00718.10
8.2.40.0040.00420.60
8.2.30.0070.00019.14
8.2.20.0040.00417.60
8.2.10.0000.00717.97
8.2.00.0050.00317.48
8.1.270.0080.00023.88
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.00923.92
8.1.230.0030.00717.70
8.1.220.0040.00417.76
8.1.210.0000.00818.77
8.1.200.0000.01017.35
8.1.190.0000.00917.35
8.1.180.0000.00718.10
8.1.170.0080.00018.56
8.1.160.0070.00018.93
8.1.150.0000.00720.04
8.1.140.0040.00417.51
8.1.130.0070.00017.82
8.1.120.0000.00717.32
8.1.110.0060.00317.34
8.1.100.0040.00417.51
8.1.90.0000.00717.45
8.1.80.0040.00417.42
8.1.70.0040.00417.43
8.1.60.0030.00617.57
8.1.50.0040.00417.45
8.1.40.0030.00517.34
8.1.30.0000.00817.63
8.1.20.0100.00017.69
8.1.10.0000.00717.45
8.1.00.0080.00017.49
8.0.300.0000.00718.77
8.0.290.0020.00516.75
8.0.280.0000.00818.35
8.0.270.0030.00317.19
8.0.260.0000.00817.30
8.0.250.0000.00617.01
8.0.240.0040.00416.98
8.0.230.0030.00317.03
8.0.220.0070.00016.97
8.0.210.0050.00216.85
8.0.200.0000.00616.91
8.0.190.0050.00417.01
8.0.180.0030.00516.97
8.0.170.0040.00416.86
8.0.160.0000.00916.97
8.0.150.0050.00516.82
8.0.140.0000.00716.95
8.0.130.0050.00013.40
8.0.120.0070.00016.98
8.0.110.0070.00016.97
8.0.100.0020.00516.98
8.0.90.0040.00417.07
8.0.80.0120.00416.89
8.0.70.0040.00416.90
8.0.60.0050.00216.94
8.0.50.0000.00816.83
8.0.30.0080.01117.13
8.0.20.0060.01117.40
8.0.10.0040.00417.11
8.0.00.0070.01516.83
7.4.330.0000.00515.00
7.4.320.0050.00316.61
7.4.300.0030.00316.51
7.4.290.0040.00416.48
7.4.280.0020.00516.63
7.4.270.0040.00416.62
7.4.260.0040.00416.50
7.4.250.0070.00016.46
7.4.240.0040.00416.55
7.4.230.0000.00716.62
7.4.220.0060.01216.64
7.4.210.0100.00316.61
7.4.200.0000.00716.45
7.4.160.0030.01416.41
7.4.150.0150.00317.40
7.4.140.0160.01417.86
7.4.130.0100.00816.52
7.4.120.0150.00616.62
7.4.110.0120.00616.47
7.4.100.0140.00316.49
7.4.90.0130.00316.37
7.4.80.0100.00619.39
7.4.70.0130.00316.48
7.4.60.0110.00616.65
7.4.50.0000.00516.66
7.4.40.0060.01216.57
7.4.30.0110.00816.71
7.4.10.0140.00315.02
7.4.00.0090.00814.85
7.3.330.0000.00513.33
7.3.320.0000.00613.40
7.3.310.0000.00716.23
7.3.300.0030.00316.37
7.3.290.0030.01016.37
7.3.280.0110.00716.36
7.3.270.0070.01017.40
7.3.260.0140.00316.37
7.3.250.0100.00916.38
7.3.240.0090.00916.30
7.3.230.0120.00616.46
7.3.210.0160.00316.32
7.3.200.0040.01419.39
7.3.190.0200.00516.60
7.3.180.0070.01016.41
7.3.170.0040.01116.44
7.3.160.0130.00716.35
7.3.130.0040.01115.07
7.3.120.0040.01114.78
7.3.110.0080.00914.73
7.3.100.0090.00614.90
7.3.90.0070.00914.81
7.3.80.0080.01014.88
7.3.70.0090.00214.81
7.3.60.0080.00614.85
7.3.50.0090.00514.77
7.3.40.0040.00614.76
7.3.30.0070.00714.83
7.3.20.0040.01116.52
7.3.10.0050.00916.57
7.3.00.0040.00716.48
7.2.330.0090.01616.70
7.2.320.0150.00616.65
7.2.310.0100.01016.27
7.2.300.0060.01216.63
7.2.290.0120.00916.68
7.2.260.0060.01314.92
7.2.250.0020.01614.98
7.2.240.0020.01414.88
7.2.230.0040.00814.96
7.2.220.0040.01214.97
7.2.210.0070.00814.92
7.2.200.0030.01114.95
7.2.190.0060.01014.81
7.2.180.0020.01314.83
7.2.170.0090.00514.97
7.2.160.0060.00614.86
7.2.150.0070.00716.74
7.2.140.0090.00316.86
7.2.130.0040.01117.05
7.2.120.0030.01016.60
7.2.110.0050.00516.81
7.2.100.0030.01017.03
7.2.90.0100.00416.85
7.2.80.0030.00716.92
7.2.70.0000.01216.80
7.2.60.0050.00716.74
7.2.50.0060.00916.89
7.2.40.0040.01117.07
7.2.30.0100.00717.05
7.2.20.0060.00916.94
7.2.10.0130.00316.95
7.2.00.0040.00818.02
7.1.330.0030.00915.67
7.1.320.0080.00615.76
7.1.310.0020.01015.82
7.1.300.0080.00715.59
7.1.290.0040.00715.68
7.1.280.0060.00815.53
7.1.270.0050.01015.64
7.1.260.0040.01115.69
7.1.250.0070.00715.73
7.1.240.0040.00415.73
7.1.230.0060.00915.71
7.1.220.0070.00715.67
7.1.210.0070.00315.75
7.1.200.0050.00515.71
7.1.190.0040.00715.80
7.1.180.0000.00815.76
7.1.170.0000.01415.63
7.1.160.0030.01015.72
7.1.150.0060.00615.48
7.1.140.0090.00015.80
7.1.130.0040.00715.50
7.1.120.0060.00615.50
7.1.110.0000.01515.68
7.1.100.0040.00916.85
7.1.90.0100.00315.59
7.1.80.0060.00915.80
7.1.70.0050.00616.31
7.1.60.0070.00917.59
7.1.50.0020.01216.20
7.1.40.0000.01615.78
7.1.30.0040.00915.77
7.1.20.0070.00715.68
7.1.10.0040.01115.67
7.1.00.0010.04319.00
7.0.330.0030.01315.50
7.0.320.0030.01215.13
7.0.310.0040.00815.60
7.0.300.0090.00615.33
7.0.290.0040.00415.14
7.0.280.0050.00515.38
7.0.270.0110.00415.15
7.0.260.0060.00615.36
7.0.250.0040.00415.28
7.0.240.0070.00715.47
7.0.230.0070.00715.34
7.0.220.0070.00715.41
7.0.210.0050.00415.57
7.0.200.0080.00315.93
7.0.190.0060.00915.41
7.0.180.0000.01115.26
7.0.170.0050.00315.40
7.0.160.0030.01315.50
7.0.150.0030.01015.45
7.0.140.0010.04118.85
7.0.130.0060.00915.53
7.0.120.0030.01115.36
7.0.110.0000.01215.22
7.0.100.0040.00915.40
7.0.90.0030.01015.23
7.0.80.0000.01115.44
7.0.70.0080.00415.53
7.0.60.0080.04217.58
7.0.50.0040.02216.65
7.0.40.0050.05116.78
7.0.30.0150.04316.84
7.0.20.0210.04016.80
7.0.10.0050.03016.86
7.0.00.0090.02216.75
5.6.400.0050.00514.41
5.6.390.0060.00614.35
5.6.380.0040.00714.11
5.6.370.0090.00314.52
5.6.360.0080.00014.63
5.6.350.0060.00614.09
5.6.340.0060.00314.31
5.6.330.0030.01014.53
5.6.320.0090.00614.50
5.6.310.0000.01314.32
5.6.300.0030.00714.35
5.6.290.0120.00014.70
5.6.280.0040.04217.74
5.6.270.0040.00414.61
5.6.260.0060.00614.50
5.6.250.0040.00714.49
5.6.240.0030.00614.55
5.6.230.0060.00914.50
5.6.220.0040.00814.42
5.6.210.0010.02817.45
5.6.200.0030.04816.30
5.6.190.0000.04617.44
5.6.180.1720.02517.43
5.6.170.0220.04417.40
5.6.160.0050.02917.36
5.6.150.0080.03316.55
5.6.140.0050.02316.20
5.6.130.0030.04716.35
5.6.120.0050.03217.59
5.6.110.0050.03917.87
5.6.100.0050.02817.74
5.6.90.0100.04317.59
5.6.80.0100.02217.25
5.6.70.1930.02317.51
5.6.60.0060.00914.62
5.6.50.0000.01014.38
5.6.40.0000.00914.28
5.6.30.0070.00414.46
5.6.20.0060.00914.32
5.6.10.0120.00414.15
5.6.00.0090.00614.32
5.5.380.0000.01414.65
5.5.370.0060.01214.38
5.5.360.0070.00414.25
5.5.350.0150.04017.39
5.5.340.0030.02516.17
5.5.330.0100.02917.26
5.5.320.1850.02717.49
5.5.310.0080.02717.48
5.5.300.0070.02716.19
5.5.290.0040.03416.18
5.5.280.0030.03317.41
5.5.270.0020.02917.47
5.5.260.0150.03117.56
5.5.250.0030.02717.40
5.5.240.0130.03317.30
5.5.230.0060.00914.25
5.5.220.0070.00714.40
5.5.210.0030.00914.36
5.5.200.0030.00914.18
5.5.190.0000.01214.39
5.5.180.0140.00314.29
5.5.170.0130.00314.51
5.5.160.0000.01114.14
5.5.150.0030.00914.26
5.5.140.0000.01614.31
5.5.130.0140.00014.06
5.5.120.0080.00814.27
5.5.110.0040.00814.32
5.5.100.0130.00014.34
5.5.90.0090.00614.05
5.5.80.0100.00714.34
5.5.70.0070.01014.14
5.5.60.0050.00514.08
5.5.50.0060.00914.34
5.5.40.0030.00914.25
5.5.30.0060.00614.55
5.5.20.0030.01514.52
5.5.10.0000.01314.40
5.5.00.0030.01414.29
5.4.450.0050.02815.31
5.4.440.0270.02615.46
5.4.430.0280.02515.40
5.4.420.0180.02015.28
5.4.410.0180.02715.46
5.4.400.0180.02314.99
5.4.390.0320.02615.17
5.4.380.0050.03714.96
5.4.370.0120.02514.92
5.4.360.0070.03214.94
5.4.350.0100.02915.03
5.4.340.0130.03014.98
5.4.330.0000.01411.24
5.4.320.0080.02511.74
5.4.310.0060.02411.90
5.4.300.0030.02511.88
5.4.290.0080.02011.93
5.4.280.0070.02111.85
5.4.270.0040.02211.79
5.4.260.0040.02311.69
5.4.250.0020.02711.66
5.4.240.0060.02211.87
5.4.230.0100.02011.75
5.4.220.0070.01811.76
5.4.210.0060.02011.73
5.4.200.0060.02311.83
5.4.190.0020.02511.75
5.4.180.0060.02111.65
5.4.170.0070.02211.81
5.4.160.0060.01911.83
5.4.150.0050.02211.85
5.4.140.0080.02611.52
5.4.130.0070.02411.66
5.4.120.0030.02411.63
5.4.110.0040.02211.59
5.4.100.0020.02211.57
5.4.90.0060.02211.48
5.4.80.0080.02011.62
5.4.70.0020.02511.47
5.4.60.0040.02111.50
5.4.50.0050.02111.56
5.4.40.0040.02011.58
5.4.30.0060.02011.53
5.4.20.0040.02011.47
5.4.10.0080.01811.64
5.4.00.0050.02211.37
5.3.290.0080.05112.80
5.3.280.0060.05412.71
5.3.270.0050.04212.72
5.3.260.0110.03712.71
5.3.250.0060.03812.72
5.3.240.0060.03712.72
5.3.230.0070.04012.71
5.3.220.0090.03812.68
5.3.210.0060.04712.68
5.3.200.0080.04412.68
5.3.190.0060.03812.68
5.3.180.0040.04412.68
5.3.170.0040.04012.67
5.3.160.0050.03812.67
5.3.150.0090.04912.67
5.3.140.0030.04012.66
5.3.130.0080.04112.66
5.3.120.0060.04012.66
5.3.110.0070.04212.66
5.3.100.0030.04012.12
5.3.90.0040.05312.10
5.3.80.0060.03712.09
5.3.70.0040.03712.09
5.3.60.0070.03512.07
5.3.50.0040.03812.02
5.3.40.0060.03612.02
5.3.30.0080.03311.98
5.3.20.0100.03911.76
5.3.10.0040.03611.73
5.3.00.0060.04811.71
5.2.170.0080.0349.22
5.2.160.0070.0279.22
5.2.150.0080.0299.22
5.2.140.0050.0449.21
5.2.130.0070.0379.18
5.2.120.0050.0289.18
5.2.110.0040.0299.18
5.2.100.0020.0319.18
5.2.90.0030.0299.18
5.2.80.0090.0269.17
5.2.70.0060.0299.17
5.2.60.0030.0339.12
5.2.50.0050.0299.09
5.2.40.0050.0289.07
5.2.30.0050.0309.05
5.2.20.0040.0329.03
5.2.10.0060.0348.94
5.2.00.0040.0348.80
5.1.60.0020.0268.08
5.1.50.0060.0318.08
5.1.40.0060.0228.06
5.1.30.0040.0268.41
5.1.20.0040.0268.44
5.1.10.0060.0238.16
5.1.00.0060.0238.16
5.0.50.0020.0256.64
5.0.40.0040.0206.50
5.0.30.0050.0326.31
5.0.20.0070.0246.27
5.0.10.0050.0276.25
5.0.00.0030.0336.25
4.4.90.0020.0184.78
4.4.80.0020.0184.76
4.4.70.0040.0274.75
4.4.60.0020.0164.75
4.4.50.0010.0234.77
4.4.40.0030.0344.71
4.4.30.0030.0174.76
4.4.20.0040.0174.84
4.4.10.0070.0194.85
4.4.00.0020.0284.76
4.3.110.0050.0134.67
4.3.100.0010.0164.66
4.3.90.0050.0124.63
4.3.80.0050.0254.58
4.3.70.0040.0144.63
4.3.60.0040.0134.63
4.3.50.0050.0134.63
4.3.40.0040.0274.54
4.3.30.0020.0163.30
4.3.20.0030.0153.28
4.3.10.0020.0163.24
4.3.00.0000.02015.97

preferences:
48.02 ms | 400 KiB | 5 Q