3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { const MY_CONST = 'This is my const'; } class B { private $property; public function __construct(A $a) { $this->property = $a; echo $a::MY_CONST."<br />"; // works (1) echo A::MY_CONST."<br />"; // works (2) $obj = $this->property; echo $obj::MY_CONST."<br />"; // works (3) echo $this->{'property'}::MY_CONST; // doesn't work (4) } } $b = new B(new A);

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)
8.3.60.0120.00316.88
8.3.50.0100.00822.01
8.3.40.0140.00018.79
8.3.30.0070.01519.22
8.3.20.0000.00720.13
8.3.10.0050.00323.58
8.3.00.0060.00317.48
8.2.180.0040.01418.54
8.2.170.0070.00722.96
8.2.160.0030.01020.43
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0000.00826.16
8.2.120.0050.00222.21
8.2.110.0030.00622.13
8.2.100.0040.00717.60
8.2.90.0000.00819.22
8.2.80.0040.00417.97
8.2.70.0050.00317.63
8.2.60.0000.01118.03
8.2.50.0000.00818.07
8.2.40.0040.00418.03
8.2.30.0040.00418.00
8.2.20.0000.00817.59
8.2.10.0000.00718.04
8.2.00.0000.01017.64
8.1.280.0100.01025.92
8.1.270.0080.00822.01
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00323.87
8.1.230.0000.01118.97
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0050.00517.36
8.1.190.0060.00617.38
8.1.180.0040.00418.10
8.1.170.0060.00318.55
8.1.160.0050.00322.02
8.1.150.0040.00418.55
8.1.140.0000.00717.45
8.1.130.0000.00717.84
8.1.120.0000.01017.37
8.1.110.0040.00417.46
8.1.100.0030.00517.50
8.1.90.0070.00017.36
8.1.80.0040.00417.39
8.1.70.0070.00017.47
8.1.60.0000.00717.57
8.1.50.0080.00017.53
8.1.40.0040.00417.41
8.1.30.0060.00317.63
8.1.20.0000.00717.58
8.1.10.0070.00017.63
8.1.00.0000.00717.56
8.0.300.0000.00718.77
8.0.290.0000.00717.18
8.0.280.0000.00718.44
8.0.270.0070.00017.25
8.0.260.0030.00317.26
8.0.250.0030.00317.02
8.0.240.0030.00816.96
8.0.230.0060.00317.02
8.0.220.0000.00716.92
8.0.210.0030.00316.94
8.0.200.0000.00716.97
8.0.190.0060.00316.92
8.0.180.0020.00517.01
8.0.170.0080.00016.93
8.0.160.0000.00717.00
8.0.150.0000.00717.00
8.0.140.0040.00416.92
8.0.130.0040.00413.48
8.0.120.0000.00816.91
8.0.110.0040.00416.79
8.0.100.0040.00416.80
8.0.90.0050.00216.76
8.0.80.0030.01716.88
8.0.70.0040.00417.02
8.0.60.0000.00816.84
8.0.50.0070.00016.82
8.0.30.0080.01117.13
8.0.20.0080.01017.40
8.0.10.0000.00717.05
8.0.00.0070.01016.66
7.4.330.0000.00515.09
7.4.320.0050.00516.61
7.4.300.0030.00316.51
7.4.290.0030.00316.61
7.4.280.0070.00016.48
7.4.270.0000.00816.59
7.4.260.0030.00316.59
7.4.250.0040.00416.35
7.4.240.0000.00716.56
7.4.230.0040.00416.51
7.4.220.0070.01016.53
7.4.210.0040.01016.60
7.4.200.0000.00716.50
7.4.190.0030.00516.66
7.4.160.0070.01416.49
7.4.150.0170.00017.40
7.4.140.0100.01617.86
7.4.130.0100.00716.60
7.4.120.0080.00816.50
7.4.110.0090.00916.55
7.4.100.0120.01216.53
7.4.90.0080.00916.37
7.4.80.0070.01119.39
7.4.70.0090.01016.44
7.4.60.0090.00616.39
7.4.50.0060.00016.57
7.4.40.0060.00922.77
7.4.30.0040.01516.31
7.4.00.0040.01414.63
7.3.330.0000.00513.36
7.3.320.0000.00513.21
7.3.310.0030.00316.19
7.3.300.0000.00716.33
7.3.290.0030.01116.37
7.3.280.0080.00716.32
7.3.270.0030.01417.40
7.3.260.0100.00616.33
7.3.250.0160.00616.44
7.3.240.0080.00816.43
7.3.230.0060.01316.58
7.3.210.0040.01616.45
7.3.200.0120.00919.39
7.3.190.0120.00916.57
7.3.180.0120.00416.51
7.3.170.0090.00916.42
7.3.160.0030.01316.28
7.3.120.0040.00714.95
7.2.330.0160.00316.68
7.2.320.0110.00716.85
7.2.310.0190.00316.70
7.2.300.0100.00716.81
7.2.290.0110.00716.35
7.2.60.0040.00816.82
7.1.200.0160.00715.79
7.1.70.0030.01017.06
7.1.60.0070.01719.33
7.1.50.0070.01016.98
7.1.00.0030.07722.35
7.0.200.1790.00714.72
7.0.140.0000.07722.10
7.0.60.0130.07320.03
7.0.50.0030.05717.87
7.0.40.0100.03720.13
7.0.30.0330.08020.23
7.0.20.0370.07320.09
7.0.10.0100.06020.08
7.0.00.0000.09020.10
5.6.280.0030.07320.78
5.6.210.0100.05720.45
5.6.200.0070.07318.18
5.6.190.0030.05720.63
5.6.180.0330.06020.46
5.6.170.0300.06020.56
5.6.160.0100.04020.48
5.6.150.0070.08018.23
5.6.140.0030.05318.29
5.6.130.0000.08718.28
5.6.120.0000.09020.91
5.6.110.0100.06721.13
5.6.100.0130.08021.00
5.6.90.0130.06721.04
5.6.80.0070.05020.38
5.5.350.0070.08020.38
5.5.340.0000.05017.98
5.5.330.0130.04020.42
5.5.320.0000.05720.36
5.5.310.0230.06720.27
5.5.300.0030.08717.97
5.5.290.0100.04717.92
5.5.280.0170.05020.65
5.5.270.0070.08320.92
5.5.260.0200.06720.84
5.5.250.0030.04320.62
5.5.240.0130.03320.19
5.4.450.0730.04319.33
5.4.440.0700.04319.16
5.4.430.0570.04019.41
5.4.420.0900.03719.19
5.4.410.0400.04719.33
5.4.400.0600.03719.07
5.4.390.0700.04719.00
5.4.380.0330.05718.70
5.4.370.0230.05718.71
5.4.360.0400.04718.47
5.4.350.0330.05718.59
5.4.340.0370.05018.59
5.4.320.0040.04912.52
5.4.310.0050.04112.51
5.4.300.0060.03612.52
5.4.290.0060.03812.51
5.4.280.0110.05012.38
5.4.270.0080.05312.38
5.4.260.0120.06812.38
5.4.250.0140.05612.38
5.4.240.0070.06912.38
5.4.230.0100.06712.37
5.4.220.0060.05912.38
5.4.210.0080.03912.38
5.4.200.0100.04912.37
5.4.190.0080.04512.37
5.4.180.0100.06012.37
5.4.170.0080.05312.38
5.4.160.0170.06112.37
5.4.150.0140.04512.37
5.4.140.0130.05612.06
5.4.130.0070.04612.04
5.4.120.0240.04112.00
5.4.110.0060.03812.00
5.4.100.0050.03712.00
5.4.90.0080.03712.01
5.4.80.0110.03812.00
5.4.70.0040.03712.00
5.4.60.0060.04812.00
5.4.50.0080.04512.00
5.4.40.0090.03611.99
5.4.30.0070.03811.98
5.4.20.0110.03611.98
5.4.10.0060.04611.98
5.4.00.0130.05911.48
5.3.290.0040.04012.80
5.3.280.0110.05012.71
5.3.270.0240.08812.72
5.3.260.0140.05812.71
5.3.250.0180.05512.72
5.3.240.0120.05112.72
5.3.230.0160.06312.71
5.3.220.0080.06112.68
5.3.210.0120.05212.68
5.3.200.0170.05412.68
5.3.190.0180.06212.67
5.3.180.0350.12112.67
5.3.170.0160.05712.67
5.3.160.0160.04612.68
5.3.150.0130.05012.67
5.3.140.0120.05012.66
5.3.130.0070.05512.66
5.3.120.0110.04212.66
5.3.110.0120.04812.65
5.3.100.0110.04512.12
5.3.90.0130.05012.09
5.3.80.0080.05612.08
5.3.70.0140.04812.08
5.3.60.0170.05312.06
5.3.50.0100.04912.00
5.3.40.0130.06912.00
5.3.30.0150.05211.96
5.3.20.0110.06011.74
5.3.10.0140.05411.71
5.3.00.0160.06211.70
5.2.170.0110.0419.18
5.2.160.0090.0339.19
5.2.150.0080.0409.19
5.2.140.0170.0719.18
5.2.130.0090.0569.14
5.2.120.0340.0709.14
5.2.110.0080.0389.15
5.2.100.0120.0379.15
5.2.90.0110.0419.15
5.2.80.0100.0549.15
5.2.70.0060.0519.14
5.2.60.0200.0459.09
5.2.50.0240.0479.06
5.2.40.0130.0539.04
5.2.30.0140.0479.03
5.2.20.0150.0389.01
5.2.10.0210.0458.92
5.2.00.0120.0528.79
5.1.60.0060.0338.06
5.1.50.0100.0688.06
5.1.40.0080.0408.05
5.1.30.0150.0548.40
5.1.20.0100.0288.41
5.1.10.0140.0398.14
5.1.00.0080.0418.14
5.0.50.0130.0266.62
5.0.40.0070.0276.48
5.0.30.0070.0416.29
5.0.20.0080.0286.27
5.0.10.0060.0306.23
5.0.00.0100.0426.22
4.4.90.0050.0244.78
4.4.80.0070.0204.75
4.4.70.0110.0204.75
4.4.60.0090.0274.76
4.4.50.0040.0264.77
4.4.40.0130.0404.71
4.4.30.0070.0274.76
4.4.20.0040.0254.84
4.4.10.0080.0324.84
4.4.00.0080.0304.76
4.3.110.0020.0294.67
4.3.100.0050.0264.66
4.3.90.0060.0244.63
4.3.80.0020.0344.58
4.3.70.0110.0324.63
4.3.60.0050.0434.63
4.3.50.0110.0384.62
4.3.40.0090.0434.54
4.3.30.0040.0203.28
4.3.20.0050.0233.26
4.3.10.0070.0183.23
4.3.00.0070.01013.47

preferences:
51.1 ms | 401 KiB | 5 Q