3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(isset(($a = 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)
5.4.340.0070.05412.01
5.4.320.0100.04412.50
5.4.310.0080.04912.49
5.4.300.0070.04612.50
5.4.290.0070.04712.49
5.4.280.0130.03712.39
5.4.270.0120.03712.39
5.4.260.0080.03912.39
5.4.250.0090.04312.39
5.4.240.0080.03612.39
5.4.230.0100.03812.38
5.4.220.0050.04112.38
5.4.210.0080.03512.38
5.4.200.0080.03812.38
5.4.190.0080.03812.38
5.4.180.0090.04812.38
5.4.170.0110.04212.39
5.4.160.0080.04512.38
5.4.150.0060.04912.38
5.4.140.0090.03912.07
5.4.130.0060.04012.05
5.4.120.0040.04312.02
5.4.110.0080.04012.01
5.4.100.0090.03312.01
5.4.90.0100.03412.01
5.4.80.0080.03712.02
5.4.70.0100.04712.01
5.4.60.0080.04612.01
5.4.50.0090.04612.01
5.4.40.0070.05112.00
5.4.30.0100.04411.99
5.4.20.0140.06811.98
5.4.10.0110.05811.99
5.4.00.0100.05111.48
5.3.290.0240.09512.80
5.3.280.0090.05412.71
5.3.270.0140.05212.72
5.3.260.0100.05612.72
5.3.250.0110.05712.72
5.3.240.0080.05512.72
5.3.230.0110.04712.71
5.3.220.0080.05012.68
5.3.210.0100.04312.68
5.3.200.0070.04412.68
5.3.190.0140.03712.68
5.3.180.0080.05112.67
5.3.170.0070.04212.67
5.3.160.0100.04012.68
5.3.150.0080.04812.68
5.3.140.0030.04112.66
5.3.130.0090.04512.66
5.3.120.0100.04412.65
5.3.110.0120.05112.66
5.3.100.0050.05612.11
5.3.90.0090.05212.09
5.3.80.0090.04912.07
5.3.70.0080.04812.07
5.3.60.0110.04512.06
5.3.50.0110.04512.00
5.3.40.0080.06312.00
5.3.30.0100.06911.95
5.3.20.0160.09211.73
5.3.10.0070.05911.70
5.3.00.0100.05411.68
5.2.170.0090.0539.18
5.2.160.0080.0469.18
5.2.150.0050.0489.18
5.2.140.0060.0459.17
5.2.130.0070.0409.14
5.2.120.0080.0399.14
5.2.110.0090.0359.15
5.2.100.0070.0389.14
5.2.90.0060.0419.14
5.2.80.0060.0429.14
5.2.70.0080.0429.14
5.2.60.0090.0379.09
5.2.50.0090.0409.06
5.2.40.0100.0349.03
5.2.30.0050.0419.02
5.2.20.0110.0379.00
5.2.10.0120.0318.92
5.2.00.0090.0408.78
5.1.60.0020.0378.07
5.1.50.0060.0328.07
5.1.40.0060.0318.05
5.1.30.0080.0358.40
5.1.20.0090.0338.41
5.1.10.0090.0298.14
5.1.00.0060.0388.14
5.0.50.0040.0286.62
5.0.40.0050.0256.47
5.0.30.0020.0346.29
5.0.20.0050.0226.27
5.0.10.0040.0236.24
5.0.00.0020.0336.23
4.4.90.0020.0214.78
4.4.80.0030.0194.75
4.4.70.0050.0204.75
4.4.60.0030.0214.75
4.4.50.0050.0154.77
4.4.40.0040.0274.71
4.4.30.0000.0194.76
4.4.20.0020.0194.84
4.4.10.0060.0154.84
4.4.00.0040.0264.76
4.3.110.0030.0204.67
4.3.100.0000.0214.67
4.3.90.0050.0184.63
4.3.80.0040.0344.58
4.3.70.0040.0234.63
4.3.60.0040.0194.63
4.3.50.0040.0184.63
4.3.40.0050.0234.54
4.3.30.0040.0163.29
4.3.20.0010.0203.27
4.3.10.0030.0183.21
4.3.00.0070.0177.04

preferences:
149.12 ms | 1394 KiB | 7 Q