3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(str_replace('foo', 'bar' null));

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)
5.4.320.0080.03712.49
5.4.310.0060.03912.50
5.4.300.0100.03412.50
5.4.290.0030.04412.50
5.4.280.0040.03812.39
5.4.270.0100.03512.39
5.4.260.0060.03712.39
5.4.250.0060.03612.39
5.4.240.0050.03612.39
5.4.230.0060.03712.38
5.4.220.0050.03812.38
5.4.210.0060.03512.38
5.4.200.0050.03812.38
5.4.190.0060.03612.38
5.4.180.0050.03712.38
5.4.170.0080.03512.38
5.4.160.0070.04712.38
5.4.150.0070.04012.38
5.4.140.0120.03212.07
5.4.130.0070.03612.05
5.4.120.0070.04012.02
5.4.110.0080.03212.01
5.4.100.0040.03612.01
5.4.90.0060.03612.01
5.4.80.0050.04412.01
5.4.70.0050.03612.00
5.4.60.0060.03312.01
5.4.50.0050.03612.01
5.4.40.0050.03511.99
5.4.30.0040.03711.99
5.4.20.0110.02911.99
5.4.10.0080.03111.99
5.4.00.0050.03711.48
5.3.290.0060.04112.80
5.3.280.0090.03612.71
5.3.270.0050.04112.73
5.3.260.0090.04912.72
5.3.250.0060.03812.72
5.3.240.0060.03812.72
5.3.230.0050.03912.71
5.3.220.0080.03712.68
5.3.210.0040.04212.68
5.3.200.0060.03612.68
5.3.190.0060.03712.68
5.3.180.0070.03512.67
5.3.170.0030.03912.67
5.3.160.0050.04312.67
5.3.150.0070.04012.68
5.3.140.0090.03912.66
5.3.130.0050.03912.66
5.3.120.0090.03712.66
5.3.110.0040.04012.66
5.3.100.0050.03712.11
5.3.90.0060.03612.09
5.3.80.0040.03812.07
5.3.70.0060.03612.07
5.3.60.0070.03512.06
5.3.50.0080.03412.00
5.3.40.0070.03412.00
5.3.30.0070.03511.95
5.3.20.0090.03211.72
5.3.10.0110.03011.70
5.3.00.0060.03611.68
5.2.170.0040.0329.18
5.2.160.0050.0299.18
5.2.150.0050.0319.18
5.2.140.0050.0299.19
5.2.130.0030.0309.14
5.2.120.0040.0279.14
5.2.110.0060.0299.15
5.2.100.0030.0309.14
5.2.90.0040.0299.14
5.2.80.0040.0309.14
5.2.70.0060.0299.14
5.2.60.0030.0329.09
5.2.50.0030.0319.06
5.2.40.0070.0269.03
5.2.30.0070.0379.01
5.2.20.0050.0289.00
5.2.10.0040.0308.93
5.2.00.0060.0288.78
5.1.60.0030.0268.07
5.1.50.0020.0278.06
5.1.40.0070.0248.05
5.1.30.0040.0378.40
5.1.20.0050.0358.41
5.1.10.0030.0278.14
5.1.00.0020.0288.14
5.0.50.0060.0186.62
5.0.40.0040.0186.48
5.0.30.0050.0306.29
5.0.20.0070.0186.27
5.0.10.0040.0196.24
5.0.00.0000.0426.23
4.4.90.0040.0144.78
4.4.80.0010.0174.75
4.4.70.0010.0174.75
4.4.60.0010.0174.76
4.4.50.0050.0134.77
4.4.40.0010.0274.71
4.4.30.0010.0174.76
4.4.20.0020.0164.84
4.4.10.0020.0164.85
4.4.00.0020.0254.76
4.3.110.0030.0164.67
4.3.100.0030.0154.66
4.3.90.0020.0154.63
4.3.80.0030.0244.59
4.3.70.0040.0144.63
4.3.60.0060.0154.62
4.3.50.0040.0154.63
4.3.40.0020.0244.54
4.3.30.0000.0183.28
4.3.20.0030.0163.25
4.3.10.0030.0203.21
4.3.00.0100.01313.59

preferences:
135.47 ms | 1394 KiB | 7 Q