3v4l.org

run code in 300+ PHP versions simultaneously
<?php class W { const X = [1 => 2, 3 => 4]; public function f() { $a = 5; if (isset(static::X[$a])) { print "$a exists\n"; } else { print "$a doesn't exists\n"; } } } $x = new X; $x->f();

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)
8.3.60.0040.01518.31
8.3.50.0110.01321.15
8.3.40.0090.00618.79
8.3.30.0120.00318.82
8.3.20.0100.01020.38
8.3.10.0070.00021.73
8.3.00.0040.00419.68
8.2.180.0110.00416.63
8.2.170.0140.00722.96
8.2.160.0100.00320.49
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00517.50
8.2.110.0030.00622.29
8.2.100.0040.00817.63
8.2.90.0000.00819.05
8.2.80.0050.00317.97
8.2.70.0040.00417.50
8.2.60.0050.00317.80
8.2.50.0030.00618.07
8.2.40.0040.00421.24
8.2.30.0020.00517.99
8.2.20.0000.00817.56
8.2.10.0000.00817.98
8.2.00.0050.00317.96
8.1.280.0140.01025.92
8.1.270.0130.00720.13
8.1.260.0060.00326.35
8.1.250.0090.00028.09
8.1.240.0040.00722.55
8.1.230.0120.00017.42
8.1.220.0050.00317.74
8.1.210.0080.00018.77
8.1.200.0100.00017.35
8.1.190.0060.00617.13
8.1.180.0040.00418.10
8.1.170.0030.00518.52
8.1.160.0050.00222.12
8.1.150.0000.00718.69
8.1.140.0000.00817.32
8.1.130.0000.00817.44
8.1.120.0000.00717.36
8.1.110.0040.00417.25
8.1.100.0000.00817.27
8.1.90.0000.00717.32
8.1.80.0040.00417.30
8.1.70.0020.00517.16
8.1.60.0070.00417.32
8.1.50.0080.00017.50
8.1.40.0000.00917.30
8.1.30.0030.00517.48
8.1.20.0070.00017.48
8.1.10.0000.00717.52
8.1.00.0000.00717.37
8.0.300.0050.00218.77
8.0.290.0060.00316.63
8.0.280.0080.00018.41
8.0.270.0030.00317.23
8.0.260.0070.00017.18
8.0.250.0040.00416.96
8.0.240.0040.00416.96
8.0.230.0030.00516.90
8.0.220.0000.00716.77
8.0.210.0030.00516.76
8.0.200.0030.00316.93
8.0.190.0070.00016.96
8.0.180.0040.00416.89
8.0.170.0000.00816.82
8.0.160.0050.00216.79
8.0.150.0070.00016.79
8.0.140.0040.00416.73
8.0.130.0000.00713.37
8.0.120.0040.00416.86
8.0.110.0030.00516.93
8.0.100.0000.00716.91
8.0.90.0000.00716.87
8.0.80.0060.00916.80
8.0.70.0000.00716.64
8.0.60.0040.00416.89
8.0.50.0020.00516.78
8.0.30.0070.00917.08
8.0.20.0050.01317.40
8.0.10.0050.00216.93
8.0.00.0110.00716.77
7.4.330.0020.00215.08
7.4.320.0030.00316.38
7.4.300.0030.00316.52
7.4.290.0040.00416.43
7.4.280.0000.00716.48
7.4.270.0000.00716.51
7.4.260.0000.00716.37
7.4.250.0030.00616.29
7.4.240.0070.00016.49
7.4.230.0030.00616.42
7.4.220.0070.01116.46
7.4.210.0070.00716.39
7.4.200.0000.00716.61
7.4.160.0130.00516.34
7.4.150.0030.01417.40
7.4.140.0070.01117.86
7.4.130.0100.01116.57
7.4.120.0110.00616.52
7.4.110.0150.00316.47
7.4.100.0110.00716.30
7.4.90.0100.01716.53
7.4.80.0000.02119.39
7.4.70.0040.01216.55
7.4.60.0060.00916.41
7.4.50.0060.00316.65
7.4.40.0110.00716.50
7.4.30.0080.00816.35
7.4.00.0030.01015.08
7.3.330.0000.01013.32
7.3.320.0000.00613.30
7.3.310.0000.00716.30
7.3.300.0070.00016.16
7.3.290.0070.01016.23
7.3.280.0110.00716.31
7.3.270.0090.00917.40
7.3.260.0210.00316.28
7.3.250.0090.00816.34
7.3.240.0180.00016.48
7.3.230.0190.00316.58
7.3.210.0130.00716.21
7.3.200.0030.01419.39
7.3.190.0060.01016.31
7.3.180.0120.00916.52
7.3.170.0100.00716.27
7.3.160.0080.00816.34
7.2.330.0070.01016.67
7.2.320.0100.00716.25
7.2.310.0060.01016.37
7.2.300.0100.00716.53
7.2.290.0090.01416.54
7.2.80.0000.01016.31
7.2.60.0070.00716.36
7.2.00.0000.01119.42
7.1.200.0000.01415.21
7.1.100.0080.00818.07
7.1.70.0110.00417.09
7.1.60.0000.02220.03
7.1.50.0040.01516.54
7.1.00.0100.07022.44
7.0.200.0100.00316.29
7.0.60.0030.04020.07
7.0.50.0070.04017.87
7.0.40.0100.08020.09
7.0.30.0630.06320.24
7.0.20.0270.08320.16
7.0.10.0030.04720.19
7.0.00.0170.06320.24
5.6.280.0100.05721.06
5.6.210.0100.08020.47
5.6.200.0070.08718.29
5.6.190.0100.08720.40
5.6.180.0370.06720.41
5.6.170.0300.08320.54
5.6.160.0030.08320.57
5.6.150.0030.04018.18
5.6.140.0030.04318.17
5.6.130.0070.06718.24
5.6.120.0030.06721.02
5.6.110.0100.05321.06
5.6.100.0130.06020.89
5.6.90.0030.08021.00
5.6.80.0100.08020.29
5.6.70.4600.04320.50
5.5.350.0370.07320.49
5.5.340.0070.08317.96
5.5.330.0130.08020.31
5.5.320.0400.06320.38
5.5.310.0300.07720.32
5.5.300.0030.08318.07
5.5.290.0030.06317.99
5.5.280.0100.08320.89
5.5.270.0070.04320.76
5.5.260.0070.06720.95
5.5.250.0100.06320.57
5.5.240.0300.05720.18
5.4.450.0330.06019.17
5.4.440.0730.06319.70
5.4.430.0870.05319.69
5.4.420.1030.05319.58
5.4.410.0830.06319.45
5.4.400.0930.04319.15
5.4.390.0700.05719.25
5.4.380.0600.05719.28
5.4.370.0730.05019.28
5.4.360.0730.05318.96
5.4.350.0730.05019.23
5.4.340.0630.06319.23
5.4.320.0770.05718.96
5.4.310.0830.04319.05
5.4.300.0600.07018.83
5.4.290.0630.05019.30
5.4.280.0830.06019.01
5.4.270.0700.05319.20
5.4.260.0670.05718.84
5.4.250.0700.05319.26
5.4.240.0800.05019.16
5.4.230.0730.04719.27
5.4.220.0600.05719.14
5.4.210.0070.05718.88
5.4.200.0470.05316.89
5.4.190.0330.08019.16
5.4.180.0130.06718.96
5.4.170.0330.07319.12
5.4.160.0530.07018.86
5.4.150.0230.07318.98
5.4.140.0200.05316.45
5.4.130.0600.03716.60
5.4.120.0670.04716.56
5.4.110.0170.05716.33
5.4.100.0070.05316.50
5.4.90.0300.05316.55
5.4.80.0600.05016.27
5.4.70.0700.05716.39
5.4.60.0800.06016.29
5.4.50.0470.05716.55
5.4.40.0700.05316.48
5.4.30.0770.06316.40
5.4.20.0730.06716.38
5.4.10.0730.06316.51
5.4.00.0870.05716.00

preferences:
56.93 ms | 401 KiB | 5 Q