3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = "hello"; $output = echo (str_replace("hello","goodbye", $var)); ?>

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)
5.4.340.0070.04112.01
5.4.320.0100.03312.50
5.4.310.0090.04012.49
5.4.300.0090.05112.49
5.4.290.0040.04612.49
5.4.280.0100.03112.39
5.4.270.0070.03712.39
5.4.260.0060.04612.39
5.4.250.0070.03712.39
5.4.240.0070.03612.39
5.4.230.0080.03712.38
5.4.220.0090.04112.38
5.4.210.0050.04012.38
5.4.200.0060.04712.38
5.4.190.0090.03712.38
5.4.180.0060.04112.38
5.4.170.0080.03612.39
5.4.160.0070.03512.38
5.4.150.0080.03412.38
5.4.140.0040.04212.07
5.4.130.0050.03812.05
5.4.120.0060.03712.01
5.4.110.0070.04012.01
5.4.100.0100.03812.01
5.4.90.0100.03412.02
5.4.80.0060.04612.01
5.4.70.0070.03612.00
5.4.60.0070.03512.00
5.4.50.0040.03812.01
5.4.40.0070.03511.99
5.4.30.0110.03612.00
5.4.20.0060.03611.99
5.4.10.0060.03611.99
5.4.00.0050.04211.48
5.3.290.0060.04212.80
5.3.280.0060.04412.71
5.3.270.0060.04012.72
5.3.260.0070.03812.72
5.3.250.0070.03712.72
5.3.240.0050.03912.72
5.3.230.0070.03812.71
5.3.220.0060.04012.68
5.3.210.0110.03612.68
5.3.200.0060.04212.68
5.3.190.0080.03912.68
5.3.180.0130.03412.68
5.3.170.0050.03812.67
5.3.160.0080.03712.67
5.3.150.0030.04312.68
5.3.140.0050.03712.66
5.3.130.0060.03812.66
5.3.120.0050.04412.66
5.3.110.0070.03912.66
5.3.100.0090.03412.12
5.3.90.0050.03712.09
5.3.80.0060.03612.08
5.3.70.0080.03412.07
5.3.60.0070.03612.06
5.3.50.0090.03512.00
5.3.40.0040.03712.00
5.3.30.0070.03711.95
5.3.20.0030.04411.73
5.3.10.0080.03611.70
5.3.00.0070.03611.68
5.2.170.0050.0309.18
5.2.160.0060.0279.18
5.2.150.0050.0359.18
5.2.140.0050.0369.18
5.2.130.0070.0279.14
5.2.120.0070.0329.14
5.2.110.0060.0299.14
5.2.100.0070.0269.14
5.2.90.0060.0309.14
5.2.80.0040.0329.14
5.2.70.0050.0299.14
5.2.60.0050.0319.09
5.2.50.0050.0319.06
5.2.40.0030.0329.03
5.2.30.0060.0389.01
5.2.20.0060.0289.00
5.2.10.0060.0278.93
5.2.00.0070.0278.78
5.1.60.0040.0258.07
5.1.50.0050.0248.06
5.1.40.0040.0258.05
5.1.30.0050.0288.39
5.1.20.0080.0298.42
5.1.10.0040.0278.14
5.1.00.0040.0278.14
5.0.50.0080.0276.62
5.0.40.0040.0236.48
5.0.30.0040.0366.29
5.0.20.0030.0216.26
5.0.10.0030.0226.25
5.0.00.0040.0346.23
4.4.90.0030.0184.78
4.4.80.0050.0144.76
4.4.70.0010.0184.76
4.4.60.0020.0164.75
4.4.50.0050.0174.77
4.4.40.0030.0254.71
4.4.30.0030.0154.76
4.4.20.0020.0164.84
4.4.10.0020.0164.85
4.4.00.0000.0284.76
4.3.110.0050.0134.67
4.3.100.0010.0184.67
4.3.90.0000.0184.63
4.3.80.0010.0264.59
4.3.70.0050.0134.63
4.3.60.0010.0184.63
4.3.50.0020.0164.63
4.3.40.0020.0274.54
4.3.30.0050.0163.28
4.3.20.0030.0173.26
4.3.10.0040.0163.21
4.3.00.0030.01310.07

preferences:
136.89 ms | 1394 KiB | 7 Q