3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace foo { const true = \false; const false = \true; } namespace { use const foo\true; use const foo\false; var_dump(false, true); }

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)
5.4.320.0300.06718.79
5.4.310.0230.05319.25
5.4.300.0130.04019.22
5.4.290.0200.03319.16
5.4.280.0230.03319.09
5.4.270.0300.07019.24
5.4.260.0170.04019.09
5.4.250.0200.04718.80
5.4.240.0230.05719.15
5.4.230.0270.06719.08
5.4.220.0270.07319.27
5.4.210.0170.07719.13
5.4.200.0170.04019.07
5.4.190.0170.03719.15
5.4.180.0170.07719.15
5.4.170.0300.07019.13
5.4.160.0230.05019.04
5.4.150.0230.07319.07
5.4.140.0230.07016.32
5.4.130.0200.07016.18
5.4.120.0200.05016.27
5.4.110.0270.06016.20
5.4.100.0270.06716.43
5.4.90.0100.06016.20
5.4.80.0170.03316.20
5.4.70.0100.04016.41
5.4.60.0200.03016.37
5.4.50.0130.03716.36
5.4.40.0200.03316.36
5.4.30.0130.03716.45
5.4.20.0130.04016.41
5.4.10.0170.03316.03
5.4.00.0130.04315.89
5.3.290.0230.03714.71
5.3.280.0230.05014.42
5.3.270.0230.04014.51
5.3.260.0230.07014.44
5.3.250.0270.05714.51
5.3.240.0270.07314.46
5.3.230.0230.07014.64
5.3.220.0200.07314.47
5.3.210.0230.06314.44
5.3.200.0270.07314.55
5.3.190.0200.05714.42
5.3.180.0170.04714.52
5.3.170.0100.04714.51
5.3.160.0100.04014.61
5.3.150.0170.03314.43
5.3.140.0100.04014.52
5.3.130.0170.04714.40
5.3.120.0200.03014.49
5.3.110.0170.03314.45
5.3.100.0230.03714.09
5.3.90.0170.04713.89
5.3.80.0170.03314.10
5.3.70.0200.03013.78
5.3.60.0130.04013.87
5.3.50.0030.04313.78
5.3.40.0130.03713.77
5.3.30.0170.04313.89
5.3.20.0200.02713.77
5.3.10.0130.03713.67
5.3.00.0230.04313.56
5.2.170.0130.02712.64
5.2.160.0070.03312.64
5.2.150.0130.02712.64
5.2.140.0100.04012.64
5.2.130.0070.03312.64
5.2.120.0100.02712.64
5.2.110.0130.02312.64
5.2.100.0100.02712.64
5.2.90.0170.03312.64
5.2.80.0130.02712.64
5.2.70.0170.03312.64
5.2.60.0100.03012.64
5.2.50.0100.03012.64
5.2.40.0070.03312.64
5.2.30.0100.02712.64
5.2.20.0170.02312.64
5.2.10.0070.03012.64
5.2.00.0070.03012.64
5.1.60.0130.02012.64
5.1.50.0130.02012.64
5.1.40.0070.02712.64
5.1.30.0100.03012.64
5.1.20.0170.01712.64
5.1.10.0100.02712.64
5.1.00.0030.03012.64
5.0.50.0130.03712.64
5.0.40.0030.02312.64
5.0.30.0070.03712.64
5.0.20.0130.03712.64
5.0.10.0100.04012.64
5.0.00.0100.05012.64
4.4.90.0070.01712.64
4.4.80.0070.01712.64
4.4.70.0070.01312.64
4.4.60.0030.01712.64
4.4.50.0030.01712.64
4.4.40.0070.02312.64
4.4.30.0070.01712.64
4.4.20.0070.01312.64
4.4.10.0030.02312.64
4.4.00.0000.03012.64
4.3.110.0030.02712.64
4.3.100.0100.02712.64
4.3.90.0100.03312.64
4.3.80.0070.04712.64
4.3.70.0030.02012.64
4.3.60.0070.03712.64
4.3.50.0070.03012.64
4.3.40.0070.03312.64
4.3.30.0030.03712.64
4.3.20.0030.03712.64
4.3.10.0030.01312.64
4.3.00.0000.01712.64

preferences:
140.68 ms | 1394 KiB | 7 Q