3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "a".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)
5.4.350.0070.04312.01
5.4.340.0070.03912.01
5.4.320.0090.04112.50
5.4.310.0060.04312.49
5.4.300.0080.04112.50
5.4.290.0070.04212.49
5.4.280.0070.03812.39
5.4.270.0060.03912.39
5.4.260.0060.03912.39
5.4.250.0080.03712.39
5.4.240.0070.03712.39
5.4.230.0080.03612.38
5.4.220.0060.03712.38
5.4.210.0060.03612.38
5.4.200.0060.04012.38
5.4.190.0070.03712.38
5.4.180.0050.03712.38
5.4.170.0080.03612.39
5.4.160.0050.03912.38
5.4.150.0060.03712.38
5.4.140.0050.04012.07
5.4.130.0080.03712.05
5.4.120.0060.03612.01
5.4.110.0030.04012.01
5.4.100.0080.04012.01
5.4.90.0080.04112.01
5.4.80.0080.03912.01
5.4.70.0050.04012.01
5.4.60.0080.03712.01
5.4.50.0080.03812.01
5.4.40.0070.03611.99
5.4.30.0060.03711.99
5.4.20.0080.04311.99
5.4.10.0100.03411.99
5.4.00.0070.03811.48
5.3.290.0070.04212.80
5.3.280.0050.04012.71
5.3.270.0070.04112.72
5.3.260.0070.04212.72
5.3.250.0080.04112.72
5.3.240.0060.05412.72
5.3.230.0070.04012.71
5.3.220.0060.04112.68
5.3.210.0060.04412.68
5.3.200.0090.04512.68
5.3.190.0080.04012.68
5.3.180.0060.04112.67
5.3.170.0100.04012.67
5.3.160.0080.03912.67
5.3.150.0080.04112.67
5.3.140.0070.04312.66
5.3.130.0060.04412.66
5.3.120.0070.04112.66
5.3.110.0050.04212.65
5.3.100.0080.04112.12
5.3.90.0070.03912.08
5.3.80.0060.04212.08
5.3.70.0070.03712.08
5.3.60.0050.03912.07
5.3.50.0050.03912.00
5.3.40.0070.04012.00
5.3.30.0080.03811.95
5.3.20.0080.03911.73
5.3.10.0070.03611.70
5.3.00.0080.03711.68
5.2.170.0070.0319.18
5.2.160.0080.0349.18
5.2.150.0050.0409.18
5.2.140.0060.0369.18
5.2.130.0070.0359.14
5.2.120.0060.0329.14
5.2.110.0050.0359.15
5.2.100.0050.0339.15
5.2.90.0070.0369.14
5.2.80.0060.0399.14
5.2.70.0060.0349.14
5.2.60.0050.0349.09
5.2.50.0060.0339.06
5.2.40.0060.0349.03
5.2.30.0060.0359.01
5.2.20.0070.0349.00
5.2.10.0030.0348.92
5.2.00.0060.0348.78
5.1.60.0050.0308.07
5.1.50.0070.0298.06
5.1.40.0040.0298.05
5.1.30.0050.0308.40
5.1.20.0050.0318.42
5.1.10.0070.0288.14
5.1.00.0060.0298.14
5.0.50.0070.0206.62
5.0.40.0040.0216.48
5.0.30.0040.0336.29
5.0.20.0030.0216.29
5.0.10.0030.0216.26
5.0.00.0060.0306.25
4.4.90.0030.0174.78
4.4.80.0020.0174.75
4.4.70.0060.0174.75
4.4.60.0040.0154.75
4.4.50.0040.0164.77
4.4.40.0040.0254.71
4.4.30.0020.0174.76
4.4.20.0030.0184.85
4.4.10.0040.0174.84
4.4.00.0050.0234.76
4.3.110.0030.0184.67
4.3.100.0030.0164.67
4.3.90.0030.0164.64
4.3.80.0030.0244.58
4.3.70.0020.0154.63
4.3.60.0030.0154.62
4.3.50.0030.0174.63
4.3.40.0020.0254.54
4.3.30.0020.0173.31
4.3.20.0030.0193.29
4.3.10.0030.0173.25
4.3.00.0070.0276.95

preferences:
143.13 ms | 1394 KiB | 7 Q