3v4l.org

run code in 300+ PHP versions simultaneously
<?php php > $s = fopen('php://memory', 'r+'); php > fflush($s); php > var_dump(fflush($s)); bool(true) php > $s = fopen('php://memory', 'r'); php > var_dump(fflush($s)); bool(true)

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)
5.4.320.0020.04112.50
5.4.310.0070.03712.49
5.4.300.0080.04212.50
5.4.290.0030.04312.50
5.4.280.0050.04012.39
5.4.270.0110.03712.39
5.4.260.0110.03212.39
5.4.250.0020.04312.39
5.4.240.0080.03312.39
5.4.230.0110.03412.39
5.4.220.0070.03412.39
5.4.210.0060.03512.38
5.4.200.0050.03912.39
5.4.190.0070.03412.38
5.4.180.0050.03712.38
5.4.170.0080.03412.39
5.4.160.0060.03512.39
5.4.150.0060.03512.38
5.4.140.0070.03512.07
5.4.130.0110.03012.05
5.4.120.0060.03512.02
5.4.110.0060.03512.02
5.4.100.0050.03612.01
5.4.90.0030.03912.02
5.4.80.0080.03612.01
5.4.70.0070.03412.01
5.4.60.0020.04012.01
5.4.50.0040.03712.01
5.4.40.0070.03412.00
5.4.30.0080.03211.99
5.4.20.0040.03612.00
5.4.10.0050.03512.00
5.4.00.0060.03811.48
5.3.290.0040.04712.80
5.3.280.0060.03812.71
5.3.270.0050.03912.72
5.3.260.0080.03812.72
5.3.250.0070.03712.72
5.3.240.0100.03912.72
5.3.230.0140.04412.71
5.3.220.0100.04712.68
5.3.210.0100.03912.68
5.3.200.0060.05012.68
5.3.190.0140.04012.68
5.3.180.0040.04512.67
5.3.170.0100.03812.67
5.3.160.0080.05112.68
5.3.150.0100.05212.68
5.3.140.0050.05012.66
5.3.130.0090.04912.66
5.3.120.0110.04612.66
5.3.110.0080.05212.65
5.3.100.0060.03612.12
5.3.90.0060.03812.08
5.3.80.0050.03812.08
5.3.70.0050.03812.07
5.3.60.0060.04212.07
5.3.50.0090.04812.00
5.3.40.0060.05112.00
5.3.30.0080.04711.95
5.3.20.0120.04211.73
5.3.10.0040.04911.70
5.3.00.0130.03011.69
5.2.170.0060.0399.18
5.2.160.0060.0389.19
5.2.150.0040.0469.18
5.2.140.0080.0339.18
5.2.130.0060.0289.14
5.2.120.0020.0319.14
5.2.110.0040.0309.15
5.2.100.0040.0309.15
5.2.90.0050.0299.14
5.2.80.0040.0319.14
5.2.70.0050.0299.14
5.2.60.0060.0289.09
5.2.50.0040.0309.06
5.2.40.0090.0289.04
5.2.30.0030.0369.02
5.2.20.0050.0369.00
5.2.10.0060.0318.92
5.2.00.0040.0318.79
5.1.60.0030.0258.07
5.1.50.0040.0258.06
5.1.40.0060.0238.05
5.1.30.0080.0258.40
5.1.20.0060.0328.42
5.1.10.0040.0328.14
5.1.00.0030.0348.14
5.0.50.0020.0246.63
5.0.40.0030.0266.48
5.0.30.0030.0366.30
5.0.20.0060.0206.27
5.0.10.0060.0186.24
5.0.00.0060.0286.24
4.4.90.0030.0164.78
4.4.80.0010.0174.75
4.4.70.0030.0164.75
4.4.60.0030.0154.76
4.4.50.0040.0154.77
4.4.40.0030.0274.71
4.4.30.0050.0144.76
4.4.20.0020.0164.84
4.4.10.0060.0124.85
4.4.00.0010.0274.76
4.3.110.0020.0174.66
4.3.100.0030.0154.67
4.3.90.0050.0124.63
4.3.80.0030.0254.59
4.3.70.0030.0164.63
4.3.60.0020.0174.63
4.3.50.0040.0164.63
4.3.40.0060.0274.54
4.3.30.0010.0203.29
4.3.20.0060.0183.26
4.3.10.0040.0163.22
4.3.00.0030.01318.23

preferences:
151.04 ms | 1394 KiB | 7 Q