3v4l.org

run code in 300+ PHP versions simultaneously
<?php function x() { global $hello = true; function y() { global $hello; var_dump($hello); } y(); } x();

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)
5.4.320.0050.03712.52
5.4.310.0050.03812.51
5.4.300.0030.03912.52
5.4.290.0060.03812.51
5.4.280.0070.03412.41
5.4.270.0050.03712.40
5.4.260.0080.03512.40
5.4.250.0070.03612.41
5.4.240.0070.03612.40
5.4.230.0020.04212.39
5.4.220.0040.03612.40
5.4.210.0020.03912.40
5.4.200.0060.03912.40
5.4.190.0080.03512.39
5.4.180.0050.03512.39
5.4.170.0080.03412.40
5.4.160.0040.03712.39
5.4.150.0110.03312.39
5.4.140.0060.03612.08
5.4.130.0070.03212.06
5.4.120.0070.03212.03
5.4.110.0070.03312.02
5.4.100.0050.03512.03
5.4.90.0040.03812.03
5.4.80.0070.03512.03
5.4.70.0040.03612.02
5.4.60.0040.03612.02
5.4.50.0050.03512.02
5.4.40.0050.03412.01
5.4.30.0060.03412.01
5.4.20.0050.03612.00
5.4.10.0100.04412.00
5.4.00.0060.03711.50
5.3.290.0100.05112.80
5.3.280.0080.05012.71
5.3.270.0100.05212.72
5.3.260.0100.03512.72
5.3.250.0070.04212.72
5.3.240.0070.03612.72
5.3.230.0050.03812.71
5.3.220.0040.03812.68
5.3.210.0090.03512.68
5.3.200.0050.03712.68
5.3.190.0060.03712.68
5.3.180.0090.04312.67
5.3.170.0070.04412.67
5.3.160.0050.03712.68
5.3.150.0050.04412.68
5.3.140.0070.04612.66
5.3.130.0080.03812.66
5.3.120.0060.03812.66
5.3.110.0110.04212.66
5.3.100.0060.03612.13
5.3.90.0110.03112.11
5.3.80.0050.03712.09
5.3.70.0070.03512.09
5.3.60.0100.03212.09
5.3.50.0030.03812.02
5.3.40.0050.03812.02
5.3.30.0060.03511.98
5.3.20.0060.04511.76
5.3.10.0080.04111.73
5.3.00.0060.03611.72
5.2.170.0060.0309.23
5.2.160.0040.0319.21
5.2.150.0050.0319.22
5.2.140.0040.0319.21
5.2.130.0030.0319.17
5.2.120.0030.0309.18
5.2.110.0060.0289.18
5.2.100.0040.0299.18
5.2.90.0050.0289.18
5.2.80.0050.0299.18
5.2.70.0030.0319.17
5.2.60.0030.0319.12
5.2.50.0030.0319.09
5.2.40.0040.0309.07
5.2.30.0040.0309.05
5.2.20.0050.0289.04
5.2.10.0040.0288.95
5.2.00.0050.0288.80
5.1.60.0060.0218.09
5.1.50.0040.0258.08
5.1.40.0070.0218.07
5.1.30.0020.0288.42
5.1.20.0050.0258.44
5.1.10.0070.0258.16
5.1.00.0070.0268.16
5.0.50.0060.0196.64
5.0.40.0050.0246.50
5.0.30.0040.0306.31
5.0.20.0080.0166.29
5.0.10.0030.0206.25
5.0.00.0050.0286.25
4.4.90.0060.0134.77
4.4.80.0030.0144.75
4.4.70.0040.0134.76
4.4.60.0010.0174.75
4.4.50.0030.0154.77
4.4.40.0040.0254.71
4.4.30.0050.0164.76
4.4.20.0060.0164.85
4.4.10.0060.0144.85
4.4.00.0030.0244.76
4.3.110.0030.0144.67
4.3.100.0050.0214.66
4.3.90.0070.0104.63
4.3.80.0050.0294.58
4.3.70.0040.0194.63
4.3.60.0030.0184.63
4.3.50.0060.0154.63
4.3.40.0000.0264.54
4.3.30.0020.0163.30
4.3.20.0020.0163.29
4.3.10.0010.0163.24
4.3.00.0070.0207.13

preferences:
135.67 ms | 935 KiB | 8 Q