3v4l.org

run code in 300+ PHP versions simultaneously
<?php const A = function() {}; $constant = 'A'; if (defined($constant) && ! is_scalar(constant($constant)) && ! is_resource(constant($constant)) && constant($constant) !== null) { echo "Yes, I am non-scalar and non-resource constant!\n"; }

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)
5.4.310.0070.03612.49
5.4.300.0090.03612.50
5.4.290.0060.04812.49
5.4.280.0040.03712.39
5.4.270.0040.03712.39
5.4.260.0060.04612.39
5.4.250.0050.03812.39
5.4.240.0070.04312.39
5.4.230.0070.03812.38
5.4.220.0070.04212.38
5.4.210.0060.03512.38
5.4.200.0050.03812.38
5.4.190.0060.03512.38
5.4.180.0070.03412.38
5.4.170.0050.03612.38
5.4.160.0140.03512.38
5.4.150.0080.03312.38
5.4.140.0020.04112.07
5.4.130.0060.03412.05
5.4.120.0060.03412.02
5.4.110.0040.03612.01
5.4.100.0060.03512.01
5.4.90.0030.04012.01
5.4.80.0050.04012.01
5.4.70.0050.03512.00
5.4.60.0070.03212.01
5.4.50.0090.04012.01
5.4.40.0100.04512.00
5.4.30.0050.03911.99
5.4.20.0060.03611.99
5.4.10.0040.03511.99
5.4.00.0100.03311.49
5.3.280.0060.04312.71
5.3.270.0030.04212.72
5.3.260.0060.03812.72
5.3.250.0090.03712.72
5.3.240.0040.03912.71
5.3.230.0030.04012.71
5.3.220.0020.03912.68
5.3.210.0050.04212.68
5.3.200.0060.04612.68
5.3.190.0050.03912.68
5.3.180.0090.03412.67
5.3.170.0050.03812.67
5.3.160.0070.03612.68
5.3.150.0040.03912.67
5.3.140.0100.03212.66
5.3.130.0090.03712.66
5.3.120.0030.04212.66
5.3.110.0050.03912.66
5.3.100.0030.04012.12
5.3.90.0050.03812.08
5.3.80.0060.03812.07
5.3.70.0030.03812.08
5.3.60.0040.03712.06
5.3.50.0060.03912.00
5.3.40.0060.03712.00
5.3.30.0090.03111.95
5.3.20.0070.03711.73
5.3.10.0080.03511.70
5.3.00.0070.04111.68
5.2.170.0080.0279.18
5.2.160.0050.0299.18
5.2.150.0040.0309.18
5.2.140.0080.0279.18
5.2.130.0040.0349.14
5.2.120.0040.0289.14
5.2.110.0060.0289.15
5.2.100.0050.0309.14
5.2.90.0070.0329.14
5.2.80.0070.0279.14
5.2.70.0040.0309.14
5.2.60.0030.0319.08
5.2.50.0060.0289.06
5.2.40.0030.0299.03
5.2.30.0050.0349.01
5.2.20.0040.0289.00
5.2.10.0020.0308.93
5.2.00.0030.0358.78
5.1.60.0060.0248.07
5.1.50.0020.0268.06
5.1.40.0020.0268.05
5.1.30.0030.0308.40
5.1.20.0050.0268.42
5.1.10.0070.0278.14
5.1.00.0040.0298.14
5.0.50.0040.0246.63
5.0.40.0050.0246.48
5.0.30.0050.0396.29
5.0.20.0020.0206.26
5.0.10.0000.0236.24
5.0.00.0010.0366.23
4.4.90.0030.0164.78
4.4.80.0010.0184.76
4.4.70.0030.0154.75
4.4.60.0040.0144.75
4.4.50.0030.0154.77
4.4.40.0060.0264.71
4.4.30.0050.0174.76
4.4.20.0050.0164.85
4.4.10.0060.0194.85
4.4.00.0020.0284.76
4.3.110.0030.0224.67
4.3.100.0050.0164.66
4.3.90.0030.0144.63
4.3.80.0050.0224.58
4.3.70.0040.0134.63
4.3.60.0010.0164.62
4.3.50.0030.0154.63
4.3.40.0040.0244.54
4.3.30.0040.0153.28
4.3.20.0010.0173.26
4.3.10.0040.0213.22
4.3.00.0070.02015.90

preferences:
140.97 ms | 1394 KiB | 7 Q