3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr("AAAAB", 0, -2)

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)
5.4.340.0040.03811.98
5.4.320.0110.04112.47
5.4.310.0030.04612.46
5.4.300.0060.04212.47
5.4.290.0080.03712.46
5.4.280.0080.04012.36
5.4.270.0070.03612.36
5.4.260.0060.03912.36
5.4.250.0070.03712.36
5.4.240.0030.04112.36
5.4.230.0130.04212.36
5.4.220.0050.04312.36
5.4.210.0100.03312.35
5.4.200.0060.04612.35
5.4.190.0070.03712.35
5.4.180.0080.03812.35
5.4.170.0120.06912.36
5.4.160.0070.03612.35
5.4.150.0080.03612.35
5.4.140.0100.06412.04
5.4.130.0080.03612.02
5.4.120.0040.03811.98
5.4.110.0100.03211.99
5.4.100.0100.04611.98
5.4.90.0090.05411.98
5.4.80.0130.04511.98
5.4.70.0060.04511.98
5.4.60.0060.03611.98
5.4.50.0060.04011.98
5.4.40.0060.04211.97
5.4.30.0080.05011.96
5.4.20.0040.03911.96
5.4.10.0050.03511.96
5.4.00.0030.03911.45
5.3.290.0060.04012.80
5.3.280.0060.04112.71
5.3.270.0070.04012.72
5.3.260.0070.03912.72
5.3.250.0050.03912.72
5.3.240.0060.03812.72
5.3.230.0060.03812.71
5.3.220.0050.04012.68
5.3.210.0090.03812.68
5.3.200.0040.04012.68
5.3.190.0140.05712.68
5.3.180.0090.04412.67
5.3.170.0070.04012.67
5.3.160.0110.03212.67
5.3.150.0070.03712.68
5.3.140.0050.03912.66
5.3.130.0030.04112.66
5.3.120.0060.03912.66
5.3.110.0090.03612.66
5.3.100.0030.03912.12
5.3.90.0050.03712.08
5.3.80.0070.03512.08
5.3.70.0060.03612.07
5.3.60.0040.03912.06
5.3.50.0110.04412.00
5.3.40.0090.04712.00
5.3.30.0100.04611.95
5.3.20.0130.04411.73
5.3.10.0110.06511.70
5.3.00.0070.04411.68
5.2.170.0050.0379.18
5.2.160.0100.0389.18
5.2.150.0090.0399.18
5.2.140.0070.0339.18
5.2.130.0090.0289.14
5.2.120.0070.0289.14
5.2.110.0050.0319.14
5.2.100.0070.0309.14
5.2.90.0080.0319.14
5.2.80.0060.0349.13
5.2.70.0070.0369.14
5.2.60.0030.0359.09
5.2.50.0060.0359.06
5.2.40.0070.0309.04
5.2.30.0070.0329.01
5.2.20.0050.0319.00
5.2.10.0010.0338.92
5.2.00.0080.0278.78
5.1.60.0010.0288.07
5.1.50.0010.0308.06
5.1.40.0020.0278.04
5.1.30.0070.0268.40
5.1.20.0070.0268.42
5.1.10.0050.0278.14
5.1.00.0040.0298.14
5.0.50.0060.0246.62
5.0.40.0020.0296.48
5.0.30.0050.0356.29
5.0.20.0040.0226.26
5.0.10.0060.0186.24
5.0.00.0030.0326.23
4.4.90.0020.0174.78
4.4.80.0050.0184.75
4.4.70.0020.0174.75
4.4.60.0050.0134.75
4.4.50.0020.0184.77
4.4.40.0080.0284.71
4.4.30.0060.0184.76
4.4.20.0060.0194.85
4.4.10.0020.0174.85
4.4.00.0030.0264.76
4.3.110.0020.0174.67
4.3.100.0040.0144.66
4.3.90.0010.0164.64
4.3.80.0020.0254.58
4.3.70.0010.0164.63
4.3.60.0030.0154.63
4.3.50.0020.0164.63
4.3.40.0020.0264.54
4.3.30.0020.0163.29
4.3.20.0020.0163.26
4.3.10.0030.0153.22
4.3.00.0030.0179.87

preferences:
145.95 ms | 1398 KiB | 7 Q