3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test{ const ♥ = "love"; } $class = new ReflectionClass("Test"); $constant = "♥"; if ( $class->hasConstant( $constant ) ) { $bad_char = "♥"; if ( mb_strpos( $constant, $bad_char) !== false ) { exit( "Illegal identifier: $bad_char" ); } }

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)
8.3.70.0140.00316.63
8.3.60.0100.01016.38
8.3.50.0080.00622.86
8.3.40.0040.01118.63
8.3.30.0150.00018.89
8.3.20.0040.00420.12
8.3.10.0000.00823.41
8.3.00.0040.00417.50
8.2.180.0110.00717.00
8.2.170.0100.01022.96
8.2.160.0100.00320.27
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0130.00326.16
8.2.120.0050.00321.09
8.2.110.0030.00619.21
8.2.100.0040.00819.52
8.2.90.0080.00017.75
8.2.80.0030.00518.73
8.2.70.0040.00417.50
8.2.60.0000.00817.60
8.2.50.0040.00417.63
8.2.40.0040.00417.63
8.2.30.0030.00617.70
8.2.20.0080.00017.68
8.2.10.0000.00718.01
8.2.00.0040.00417.66
8.1.280.0110.00725.92
8.1.270.0040.00423.79
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0040.00421.15
8.1.230.0060.00617.70
8.1.220.0040.00417.78
8.1.210.0030.00618.77
8.1.200.0040.00417.22
8.1.190.0080.00017.35
8.1.180.0000.00818.10
8.1.170.0070.00017.62
8.1.160.0000.00718.86
8.1.150.0040.00418.86
8.1.140.0040.00417.44
8.1.130.0040.00417.68
8.1.120.0000.00817.38
8.1.110.0070.00017.31
8.1.100.0040.00317.40
8.1.90.0030.00417.30
8.1.80.0030.00517.37
8.1.70.0070.00017.36
8.1.60.0000.00817.44
8.1.50.0030.00517.56
8.1.40.0060.00317.48
8.1.30.0000.00817.76
8.1.20.0060.00317.64
8.1.10.0040.00417.68
8.1.00.0060.00317.43
8.0.300.0070.00318.77
8.0.290.0040.00416.75
8.0.280.0070.00018.15
8.0.270.0030.00318.01
8.0.260.0060.00017.39
8.0.250.0040.00417.03
8.0.240.0030.00317.13
8.0.230.0000.00617.09
8.0.220.0030.00316.98
8.0.210.0030.00317.00
8.0.200.0000.00717.05
8.0.190.0040.00417.02
8.0.180.0040.00417.10
8.0.170.0070.00017.05
8.0.160.0000.00717.03
8.0.150.0030.00716.93
8.0.140.0040.00916.90
8.0.130.0050.00013.44
8.0.120.0000.00817.01
8.0.110.0070.00016.89
8.0.100.0040.00417.04
8.0.90.0000.00716.91
8.0.80.0100.00716.98
8.0.70.0040.00416.90
8.0.60.0040.00417.06
8.0.50.0060.00316.97
8.0.30.0080.01317.12
8.0.20.0130.00617.40
8.0.10.0000.00716.86
8.0.00.0060.01216.74
7.4.330.0050.00015.19
7.4.320.0000.00616.65
7.4.300.0000.00616.45
7.4.290.0060.00016.52
7.4.280.0050.00316.60
7.4.270.0070.00016.50
7.4.260.0040.00416.59
7.4.250.0050.00316.57
7.4.240.0030.00316.57
7.4.230.0070.00016.64
7.4.220.0110.00716.48
7.4.210.0060.01316.54
7.4.200.0030.00316.38
7.4.160.0100.01416.58
7.4.150.0170.01017.40
7.4.140.0080.01117.86
7.4.130.0070.01016.51
7.4.120.0080.00816.39
7.4.110.0040.01216.54
7.4.100.0180.01016.65
7.4.90.0180.00016.40
7.4.80.0080.00819.39
7.4.70.0060.01116.43
7.4.60.0110.01116.50
7.4.50.0060.00016.59
7.4.40.0080.00916.34
7.4.30.0090.00916.61
7.4.00.0150.00014.83
7.3.330.0070.00013.32
7.3.320.0000.00513.23
7.3.310.0030.00316.26
7.3.300.0030.00316.41
7.3.290.0130.00716.38
7.3.280.0120.01216.36
7.3.270.0080.00917.40
7.3.260.0150.00316.53
7.3.250.0110.00816.44
7.3.240.0090.01216.55
7.3.230.0090.00916.39
7.3.210.0060.01116.51
7.3.200.0120.00419.39
7.3.190.0090.00816.60
7.3.180.0060.00916.45
7.3.170.0080.00816.41
7.3.160.0040.01116.26
7.2.330.0150.00316.44
7.2.320.0110.00716.53
7.2.310.0120.00916.59
7.2.300.0070.01016.59
7.2.290.0090.00616.54
7.2.00.0060.00919.32
7.1.100.0030.00918.19
7.1.70.0040.00417.20
7.1.60.0140.01019.40
7.1.50.0090.01217.02
7.1.00.0070.07322.57
7.0.200.0130.00615.01
7.0.140.0130.06722.15
7.0.60.0070.04719.92
7.0.50.0070.08317.73
7.0.40.0000.04720.25
7.0.30.0270.08320.08
7.0.20.0330.04720.17
7.0.10.0030.06020.07
7.0.00.0130.08020.09
5.6.280.0000.07720.91
5.6.210.0130.08320.46
5.6.200.0100.08318.21
5.6.190.0070.07720.52
5.6.180.0270.07720.61
5.6.170.0400.07320.48
5.6.160.0030.04320.71
5.6.150.0030.05018.19
5.6.140.0000.04318.15
5.6.130.0100.07718.19
5.6.120.0100.08321.05
5.6.110.0030.08721.01
5.6.100.0100.08020.99
5.6.90.0130.07021.08
5.6.80.0030.07020.51
5.5.350.0070.08320.50
5.5.340.0100.04318.09
5.5.330.0070.07020.13
5.5.320.0230.04720.24
5.5.310.0270.05020.30
5.5.300.0100.07717.95
5.5.290.0100.04317.95
5.5.280.0100.08320.68
5.5.270.0000.04320.75
5.5.260.0000.05020.88
5.5.250.0130.08320.77
5.5.240.4100.03320.25
5.4.450.0300.03719.32
5.4.440.0230.04019.46
5.4.430.0470.03719.19
5.4.420.0630.03319.38
5.4.410.0530.04019.34
5.4.400.0800.03319.00
5.4.390.0870.03319.20
5.4.380.0130.06018.50
5.4.370.0070.06018.75
5.4.360.0200.04718.74
5.4.350.0100.05318.68
5.4.340.0030.06318.73
5.4.320.0100.03112.50
5.4.310.0040.04012.50
5.4.300.0050.04112.50
5.4.290.0080.03712.49
5.4.280.0090.03212.39
5.4.270.0040.03812.39
5.4.260.0040.03812.39
5.4.250.0070.03612.39
5.4.240.0040.03712.39
5.4.230.0030.04012.38
5.4.220.0080.03312.38
5.4.210.0090.03212.39
5.4.200.0040.03812.38
5.4.190.0070.03512.38
5.4.180.0030.03912.38
5.4.170.0060.03612.39
5.4.160.0100.03112.38
5.4.150.0020.04012.38
5.4.140.0050.03712.06
5.4.130.0070.03412.06
5.4.120.0070.03412.01
5.4.110.0050.03612.01
5.4.100.0080.03212.01
5.4.90.0060.03612.01
5.4.80.0080.03512.00
5.4.70.0070.03412.00
5.4.60.0090.03712.00
5.4.50.0090.03712.00
5.4.40.0070.03711.99
5.4.30.0050.03611.99
5.4.20.0110.03711.99
5.4.10.0060.03911.99
5.4.00.0050.03511.48
5.3.290.0060.03812.80
5.3.280.0040.03812.71
5.3.270.0070.03612.73
5.3.260.0090.03612.71
5.3.250.0060.03712.72
5.3.240.0060.04312.72
5.3.230.0050.03812.71
5.3.220.0060.03512.68
5.3.210.0080.03712.68
5.3.200.0040.03712.68
5.3.190.0040.03912.68
5.3.180.0080.03312.67
5.3.170.0030.04012.66
5.3.160.0070.03512.68
5.3.150.0070.03612.68
5.3.140.0060.03612.66
5.3.130.0050.03712.66
5.3.120.0110.03212.65
5.3.110.0050.04012.66
5.3.100.0070.03512.12
5.3.90.0050.04012.10
5.3.80.0030.04112.09
5.3.70.0070.03412.09
5.3.60.0030.03812.07
5.3.50.0070.03612.02
5.3.40.0080.03512.02
5.3.30.0050.03611.98
5.3.20.0060.03411.76
5.3.10.0070.03211.72
5.3.00.0060.03911.71
5.2.170.0020.0329.22
5.2.160.0040.0309.22
5.2.150.0050.0299.21
5.2.140.0030.0319.21
5.2.130.0030.0309.18
5.2.120.0070.0259.18
5.2.110.0050.0299.18
5.2.100.0070.0269.18
5.2.90.0080.0259.18
5.2.80.0060.0289.17
5.2.70.0060.0299.17
5.2.60.0030.0329.12
5.2.50.0070.0279.09
5.2.40.0040.0309.07
5.2.30.0030.0329.04
5.2.20.0040.0299.04
5.2.10.0050.0278.94
5.2.00.0040.0308.80
5.1.60.0080.0258.08
5.1.50.0060.0258.08
5.1.40.0040.0298.07
5.1.30.0060.0358.41
5.1.20.0040.0398.43
5.1.10.0080.0258.16
5.1.00.0050.0248.16
5.0.50.0050.0196.64
5.0.40.0050.0276.49
5.0.30.0040.0356.31
5.0.20.0040.0196.28
5.0.10.0020.0226.25
5.0.00.0020.0316.24
4.4.90.0030.0144.78
4.4.80.0020.0154.75
4.4.70.0050.0134.75
4.4.60.0030.0204.76
4.4.50.0020.0164.77
4.4.40.0020.0274.71
4.4.30.0050.0184.76
4.4.20.0020.0204.85
4.4.10.0010.0174.85
4.4.00.0030.0254.76
4.3.110.0020.0174.67
4.3.100.0030.0144.66
4.3.90.0020.0144.63
4.3.80.0040.0224.58
4.3.70.0020.0154.63
4.3.60.0040.0164.63
4.3.50.0050.0174.63
4.3.40.0020.0274.54
4.3.30.0060.0143.30
4.3.20.0030.0203.28
4.3.10.0020.0153.23
4.3.00.0000.01715.98

preferences:
56.79 ms | 401 KiB | 5 Q