3v4l.org

run code in 300+ PHP versions simultaneously
<?php function a() {ehco 1; return 'a';} a()()()()()()()();

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)
5.4.340.0040.03612.03
5.4.320.0090.03312.52
5.4.310.0060.03712.51
5.4.300.0050.03712.52
5.4.290.0040.03912.51
5.4.280.0020.03912.41
5.4.270.0090.03412.40
5.4.260.0070.03612.41
5.4.250.0050.03812.41
5.4.240.0060.03612.40
5.4.230.0080.03612.39
5.4.220.0050.03712.39
5.4.210.0050.03612.39
5.4.200.0060.03812.39
5.4.190.0070.03512.39
5.4.180.0050.03812.39
5.4.170.0060.03612.40
5.4.160.0050.03712.39
5.4.150.0070.03412.39
5.4.140.0050.03812.09
5.4.130.0070.03412.07
5.4.120.0040.03712.03
5.4.110.0050.03612.02
5.4.100.0060.03412.03
5.4.90.0060.03612.03
5.4.80.0070.03612.03
5.4.70.0060.03412.02
5.4.60.0060.03612.02
5.4.50.0060.03512.02
5.4.40.0030.03812.01
5.4.30.0090.03212.01
5.4.20.0030.03812.00
5.4.10.0070.03212.01
5.4.00.0080.03311.50
5.3.290.0050.04112.80
5.3.280.0050.03812.71
5.3.270.0070.03912.72
5.3.260.0050.04712.72
5.3.250.0100.03412.72
5.3.240.0080.04112.72
5.3.230.0060.03912.71
5.3.220.0070.03512.68
5.3.210.0050.04012.68
5.3.200.0080.03412.68
5.3.190.0050.03912.68
5.3.180.0080.03412.67
5.3.170.0040.03812.67
5.3.160.0040.03812.68
5.3.150.0070.03712.67
5.3.140.0090.03312.66
5.3.130.0050.04012.66
5.3.120.0050.04012.66
5.3.110.0050.03912.66
5.3.100.0080.03412.13
5.3.90.0070.03812.11
5.3.80.0050.03812.09
5.3.70.0060.03612.09
5.3.60.0050.03712.08
5.3.50.0050.03612.02
5.3.40.0090.03312.02
5.3.30.0030.03811.98
5.3.20.0060.03411.76
5.3.10.0060.03911.73
5.3.00.0080.03411.71
5.2.170.0060.0349.21
5.2.160.0050.0339.22
5.2.150.0150.0549.22
5.2.140.0160.0599.21
5.2.130.0080.0379.18
5.2.120.0130.0509.17
5.2.110.0080.0429.18
5.2.100.0140.0539.18
5.2.90.0180.0729.18
5.2.80.0030.0449.17
5.2.70.0110.0609.18
5.2.60.0080.0439.13
5.2.50.0160.0729.09
5.2.40.0050.0389.07
5.2.30.0030.0389.05
5.2.20.0020.0429.04
5.2.10.0120.0368.95
5.2.00.0100.0398.81
5.1.60.0060.0338.09
5.1.50.0050.0358.08
5.1.40.0080.0258.07
5.1.30.0060.0278.42
5.1.20.0020.0318.43
5.1.10.0060.0248.16
5.1.00.0040.0288.16
5.0.50.0070.0276.64
5.0.40.0030.0226.50
5.0.30.0090.0596.31
5.0.20.0080.0356.28
5.0.10.0060.0336.25
5.0.00.0050.0406.25
4.4.90.0120.0394.78
4.4.80.0090.0294.75
4.4.70.0030.0214.75
4.4.60.0080.0184.76
4.4.50.0040.0204.77
4.4.40.0050.0264.71
4.4.30.0060.0154.76
4.4.20.0030.0214.84
4.4.10.0060.0214.85
4.4.00.0020.0294.76
4.3.110.0030.0174.67
4.3.100.0030.0204.67
4.3.90.0050.0184.64
4.3.80.0020.0254.58
4.3.70.0030.0154.63
4.3.60.0010.0164.63
4.3.50.0040.0164.63
4.3.40.0030.0234.54
4.3.30.0000.0193.30
4.3.20.0020.0163.27
4.3.10.0020.0183.23
4.3.00.0100.0237.56

preferences:
134.57 ms | 1394 KiB | 7 Q