3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(isset(strlen("dasdf")));

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)
5.4.340.0080.05311.98
5.4.320.0110.06012.46
5.4.310.0110.06012.46
5.4.300.0100.04612.46
5.4.290.0150.05212.46
5.4.280.0160.07612.36
5.4.270.0080.04212.36
5.4.260.0080.04912.36
5.4.250.0080.03912.36
5.4.240.0080.04112.36
5.4.230.0030.04512.35
5.4.220.0090.03712.35
5.4.210.0070.03912.35
5.4.200.0050.04512.35
5.4.190.0110.03712.35
5.4.180.0110.03912.34
5.4.170.0060.04212.36
5.4.160.0090.04112.36
5.4.150.0090.04712.35
5.4.140.0090.04112.04
5.4.130.0090.04412.02
5.4.120.0080.04711.98
5.4.110.0040.04911.97
5.4.100.0070.03911.98
5.4.90.0060.04611.97
5.4.80.0130.03911.98
5.4.70.0100.04811.97
5.4.60.0090.04611.97
5.4.50.0080.03711.97
5.4.40.0050.04311.96
5.4.30.0110.03911.96
5.4.20.0080.04911.96
5.4.10.0080.05011.95
5.4.00.0060.03911.45
5.3.290.0170.05912.80
5.3.280.0120.03912.71
5.3.270.0060.04612.73
5.3.260.0080.03912.72
5.3.250.0140.03612.72
5.3.240.0130.04712.72
5.3.230.0070.04612.71
5.3.220.0070.04512.68
5.3.210.0100.04812.68
5.3.200.0080.03812.68
5.3.190.0060.05712.67
5.3.180.0110.03912.67
5.3.170.0150.04912.67
5.3.160.0070.04512.67
5.3.150.0050.05012.68
5.3.140.0100.04012.66
5.3.130.0100.05612.66
5.3.120.0040.04812.66
5.3.110.0090.04712.66
5.3.100.0100.04912.11
5.3.90.0190.05512.09
5.3.80.0110.04312.08
5.3.70.0120.04312.07
5.3.60.0060.05212.07
5.3.50.0070.05312.00
5.3.40.0070.04212.00
5.3.30.0090.04611.95
5.3.20.0130.04411.72
5.3.10.0100.04511.70
5.3.00.0080.05011.67
5.2.170.0070.0349.18
5.2.160.0060.0339.18
5.2.150.0070.0529.18
5.2.140.0090.0459.18
5.2.130.0070.0339.14
5.2.120.0050.0319.13
5.2.110.0080.0389.14
5.2.100.0030.0449.14
5.2.90.0060.0379.14
5.2.80.0070.0399.14
5.2.70.0060.0349.13
5.2.60.0130.0509.08
5.2.50.0080.0379.05
5.2.40.0080.0389.03
5.2.30.0090.0439.00
5.2.20.0140.0489.00
5.2.10.0070.0298.92
5.2.00.0140.0298.77
5.1.60.0080.0238.06
5.1.50.0030.0288.06
5.1.40.0070.0258.05
5.1.30.0060.0298.40
5.1.20.0080.0298.41
5.1.10.0040.0278.14
5.1.00.0020.0288.13
5.0.50.0050.0336.62
5.0.40.0040.0206.47
5.0.30.0050.0406.29
5.0.20.0080.0296.26
5.0.10.0070.0256.23
5.0.00.0070.0386.22
4.4.90.0040.0244.77
4.4.80.0070.0164.75
4.4.70.0050.0404.76
4.4.60.0020.0224.76
4.4.50.0010.0194.77
4.4.40.0050.0254.71
4.4.30.0030.0164.75
4.4.20.0050.0284.84
4.4.10.0020.0184.84
4.4.00.0030.0284.76
4.3.110.0040.0164.67
4.3.100.0030.0164.66
4.3.90.0050.0144.64
4.3.80.0020.0304.59
4.3.70.0030.0154.63
4.3.60.0050.0144.62
4.3.50.0020.0174.63
4.3.40.0040.0244.54
4.3.30.0020.0223.29
4.3.20.0000.0183.26
4.3.10.0030.0163.21
4.3.00.0000.0336.96

preferences:
144.56 ms | 1386 KiB | 7 Q