3v4l.org

run code in 300+ PHP versions simultaneously
<?php $constant = 'STDIN'; var_dump(constant($constant)); fclose($constant); var_dump(constant($constant));

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)
8.3.60.0100.01018.30
8.3.50.0110.00622.88
8.3.40.0100.01019.02
8.3.30.0120.00318.96
8.3.20.0040.00420.52
8.3.10.0000.00821.77
8.3.00.0090.00017.80
8.2.180.0130.00716.88
8.2.170.0170.00322.96
8.2.160.0070.00720.30
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0080.00626.16
8.2.120.0080.00021.07
8.2.110.0060.00322.27
8.2.100.0130.00019.57
8.2.90.0000.00719.27
8.2.80.0000.00817.97
8.2.70.0030.00517.63
8.2.60.0000.00717.91
8.2.50.0050.00318.07
8.2.40.0050.00318.09
8.2.30.0000.00717.98
8.2.20.0040.00417.75
8.2.10.0080.00018.10
8.2.00.0000.00917.68
8.1.280.0070.00725.92
8.1.270.0000.00823.78
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0050.00523.71
8.1.230.0110.00019.09
8.1.220.0000.00917.74
8.1.210.0080.00018.77
8.1.200.0030.00617.35
8.1.190.0060.00317.25
8.1.180.0040.00418.10
8.1.170.0100.00018.48
8.1.160.0040.00421.87
8.1.150.0070.00018.67
8.1.140.0040.00417.34
8.1.130.0000.00717.74
8.1.120.0040.00417.34
8.1.110.0000.00817.31
8.1.100.0000.00717.27
8.1.90.0030.00317.26
8.1.80.0000.00717.45
8.1.70.0070.00017.28
8.1.60.0050.00317.51
8.1.50.0040.00417.54
8.1.40.0000.00817.50
8.1.30.0000.00817.58
8.1.20.0040.00417.68
8.1.10.0000.00717.61
8.1.00.0000.00717.40
8.0.300.0000.00818.77
8.0.290.0000.00716.63
8.0.280.0080.00018.37
8.0.270.0040.00417.06
8.0.260.0000.00817.10
8.0.250.0000.00716.96
8.0.240.0080.00016.93
8.0.230.0000.00716.95
8.0.220.0030.00316.89
8.0.210.0050.00216.89
8.0.200.0000.00616.84
8.0.190.0040.00416.99
8.0.180.0090.00016.83
8.0.170.0020.00516.92
8.0.160.0070.00316.75
8.0.150.0030.00316.71
8.0.140.0030.00516.89
8.0.130.0030.00313.35
8.0.120.0040.00416.88
8.0.110.0000.00716.80
8.0.100.0080.00016.89
8.0.90.0000.00716.69
8.0.80.0100.01016.84
8.0.70.0060.00316.84
8.0.60.0040.00416.74
8.0.50.0030.00516.93
8.0.30.0140.00616.94
8.0.20.0170.00817.40
8.0.10.0000.00717.04
8.0.00.0150.00316.70
7.4.330.0000.00515.00
7.4.320.0000.00716.44
7.4.300.0000.00616.43
7.4.290.0030.00316.30
7.4.280.0080.00316.53
7.4.270.0070.00016.45
7.4.260.0080.00416.57
7.4.250.0000.00716.51
7.4.240.0070.00016.50
7.4.230.0030.00316.29
7.4.220.0070.01016.54
7.4.210.0030.01016.46
7.4.200.0070.00016.43
7.4.160.0060.01016.40
7.4.150.0150.00317.40
7.4.140.0070.01317.86
7.4.130.0070.00916.29
7.4.120.0080.01116.25
7.4.110.0110.00616.58
7.4.100.0120.00616.39
7.4.90.0100.00716.44
7.4.80.0030.02019.39
7.4.70.0070.01016.38
7.4.60.0080.00816.26
7.4.50.0020.00216.32
7.4.40.0170.00016.34
7.4.30.0000.01616.28
7.4.00.0120.00415.00
7.3.330.0000.00713.07
7.3.320.0000.00613.11
7.3.310.0070.00016.29
7.3.300.0000.00816.21
7.3.290.0070.00716.22
7.3.280.0100.00716.17
7.3.270.0130.01017.40
7.3.260.0100.01316.23
7.3.250.0090.00816.11
7.3.240.0060.01316.19
7.3.230.0060.01516.39
7.3.210.0070.01016.09
7.3.200.0070.01119.39
7.3.190.0130.00716.31
7.3.180.0080.00816.17
7.3.170.0050.01216.27
7.3.160.0000.01616.14
7.3.120.0130.00314.90
7.3.110.0030.01314.46
7.3.100.0100.00314.93
7.3.90.0070.00614.66
7.3.80.0070.00314.74
7.3.70.0030.01014.84
7.3.60.0100.00314.52
7.3.50.0100.00314.71
7.3.40.0060.00314.59
7.3.30.0070.00714.67
7.3.20.0000.01516.56
7.3.10.0070.00416.21
7.3.00.0000.01816.71
7.2.330.0140.01116.22
7.2.320.0090.00816.23
7.2.310.0060.01016.21
7.2.300.0030.01416.52
7.2.290.0030.01316.38
7.2.240.0150.00314.98
7.2.230.0000.01214.97
7.2.220.0030.00614.77
7.2.210.0090.00314.89
7.2.200.0030.00714.92
7.2.190.0030.00914.63
7.2.180.0100.00314.92
7.2.170.0030.01314.80
7.2.160.0090.00614.73
7.2.150.0060.00916.47
7.2.140.0100.00616.74
7.2.130.0070.00716.78
7.2.120.0070.00416.79
7.2.110.0140.00316.74
7.2.100.0070.01116.70
7.2.90.0000.01216.66
7.2.80.0070.01016.64
7.2.70.0070.00716.85
7.2.60.0090.00816.68
7.2.50.0090.00616.81
7.2.40.0040.00816.73
7.2.30.0030.01416.53
7.2.20.0000.01516.69
7.2.10.0030.01016.80
7.2.00.0070.01116.90
7.1.330.0000.00915.67
7.1.320.0000.01015.84
7.1.310.0060.00615.68
7.1.300.0140.00015.79
7.1.290.0040.01115.51
7.1.280.0090.00615.43
7.1.270.0040.00815.47
7.1.260.0090.00615.70
7.1.250.0030.00815.80
7.1.200.0030.01015.84
7.1.100.0090.00317.91
7.1.70.0000.00717.12
7.1.60.0060.01819.40
7.1.50.0070.00716.82
7.1.00.0030.07722.31
7.0.200.0070.00016.85
7.0.140.0030.06722.01
7.0.60.0100.08020.02
7.0.50.0130.06717.88
7.0.40.0070.08320.12
7.0.30.0400.06320.09
7.0.20.0200.05720.09
7.0.10.0070.08320.20
7.0.00.0130.08020.17
5.6.280.0030.07321.09
5.6.210.0170.07020.64
5.6.200.0030.05018.16
5.6.190.0000.04720.39
5.6.180.0230.07720.41
5.6.170.0230.04320.71
5.6.160.0070.08020.48
5.6.150.0000.04318.13
5.6.140.0000.05018.12
5.6.130.0030.05018.18
5.6.120.0000.04320.99
5.6.110.0100.07721.03
5.6.100.0100.08020.96
5.6.90.0070.07720.87
5.6.80.0100.05020.37
5.5.350.0230.08020.37
5.5.340.0000.04317.92
5.5.330.0030.05720.28
5.5.320.0200.08020.20
5.5.310.0370.07020.32
5.5.300.0100.07318.01
5.5.290.0030.05318.02
5.5.280.0100.08020.66
5.5.270.0100.07320.79
5.5.260.0130.06320.75
5.5.250.0070.08020.77
5.5.240.0070.07320.06
5.4.450.1200.05719.25
5.4.440.0230.05019.37
5.4.430.0030.06019.45
5.4.420.0470.05719.16
5.4.410.0570.05319.19
5.4.400.0230.05318.78
5.4.390.0230.05718.70
5.4.380.0130.05718.52
5.4.370.0130.04018.70
5.4.360.0230.05018.68
5.4.350.0060.04711.97
5.4.340.0060.03511.97
5.4.320.0060.03812.45
5.4.310.0040.03912.45
5.4.300.0070.03412.45
5.4.290.0050.04412.45
5.4.280.0090.04012.34
5.4.270.0040.04612.35
5.4.260.0080.03612.34
5.4.250.0050.03912.35
5.4.240.0060.03512.34
5.4.230.0060.03812.34
5.4.220.0060.03512.34
5.4.210.0070.03312.34
5.4.200.0050.03812.34
5.4.190.0100.03912.34
5.4.180.0060.03512.34
5.4.170.0040.03712.35
5.4.160.0050.03712.34
5.4.150.0050.03612.34
5.4.140.0060.03712.02
5.4.130.0040.03812.01
5.4.120.0080.03311.96
5.4.110.0030.03811.96
5.4.100.0040.03711.96
5.4.90.0050.03611.96
5.4.80.0080.03611.96
5.4.70.0090.03411.96
5.4.60.0060.03711.96
5.4.50.0060.03511.96
5.4.40.0050.03511.95
5.4.30.0060.03411.95
5.4.20.0050.03611.95
5.4.10.0090.04811.95
5.4.00.0040.03811.43
5.3.290.0080.03812.80
5.3.280.0060.03712.71
5.3.270.0060.04112.72
5.3.260.0070.03912.71
5.3.250.0090.03612.72
5.3.240.0150.04312.72
5.3.230.0070.03812.71
5.3.220.0090.03312.68
5.3.210.0070.03912.68
5.3.200.0070.03712.68
5.3.190.0050.03812.68
5.3.180.0080.03312.68
5.3.170.0040.04012.67
5.3.160.0050.03812.67
5.3.150.0090.03412.67
5.3.140.0090.03412.66
5.3.130.0060.04112.66
5.3.120.0060.03812.66
5.3.110.0050.03912.66
5.3.100.0030.03912.12
5.3.90.0110.03212.09
5.3.80.0060.03912.07
5.3.70.0040.04012.07
5.3.60.0070.03512.06
5.3.50.0050.03612.00
5.3.40.0090.04112.00
5.3.30.0070.03411.94
5.3.20.0070.03411.73
5.3.10.0040.03611.69
5.3.00.0060.03511.68
5.2.170.0050.0309.18
5.2.160.0090.0249.18
5.2.150.0040.0309.18
5.2.140.0060.0289.18
5.2.130.0050.0289.14
5.2.120.0030.0299.14
5.2.110.0040.0299.14
5.2.100.0020.0309.14
5.2.90.0040.0299.14
5.2.80.0090.0259.13
5.2.70.0060.0289.13
5.2.60.0070.0279.09
5.2.50.0030.0309.05
5.2.40.0050.0279.03
5.2.30.0050.0299.00
5.2.20.0060.0279.00
5.2.10.0040.0288.91
5.2.00.0060.0268.77
5.1.60.0030.0258.06
5.1.50.0070.0218.06
5.1.40.0050.0268.04
5.1.30.0050.0308.39
5.1.20.0020.0288.41
5.1.10.0040.0268.13
5.1.00.0020.0278.14
5.0.50.0020.0226.62
5.0.40.0040.0186.47
5.0.30.0030.0316.29
5.0.20.0050.0186.26
5.0.10.0010.0226.23
5.0.00.0030.0316.22
4.4.90.0030.0184.78
4.4.80.0020.0164.75
4.4.70.0010.0174.75
4.4.60.0030.0154.75
4.4.50.0040.0144.77
4.4.40.0020.0264.70
4.4.30.0040.0144.76
4.4.20.0050.0134.85
4.4.10.0020.0164.85
4.4.00.0040.0234.76
4.3.110.0030.0154.67
4.3.100.0030.0144.66
4.3.90.0020.0194.63
4.3.80.0060.0234.58
4.3.70.0030.0144.63
4.3.60.0030.0144.62
4.3.50.0050.0144.63
4.3.40.0010.0274.54
4.3.30.0030.0163.28
4.3.20.0010.0173.25
4.3.10.0000.0183.21
4.3.00.0130.0237.15

preferences:
39.79 ms | 401 KiB | 5 Q