3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "Ä" echo str_replace(array("Ä"), array("ä"), $str);

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)
5.4.320.0040.03612.50
5.4.310.0050.03712.49
5.4.300.0080.03312.50
5.4.290.0050.03712.49
5.4.280.0020.03812.39
5.4.270.0070.03712.39
5.4.260.0030.03912.39
5.4.250.0070.03512.39
5.4.240.0060.03512.39
5.4.230.0070.03612.38
5.4.220.0090.03212.38
5.4.210.0050.03512.38
5.4.200.0060.03612.38
5.4.190.0060.03512.38
5.4.180.0070.03412.38
5.4.170.0050.03612.39
5.4.160.0010.03912.38
5.4.150.0040.03912.38
5.4.140.0070.04412.07
5.4.130.0050.03612.05
5.4.120.0050.03512.02
5.4.110.0040.03912.01
5.4.100.0110.04312.01
5.4.90.0050.03912.01
5.4.80.0060.03512.01
5.4.70.0060.03212.01
5.4.60.0060.03312.01
5.4.50.0030.03812.01
5.4.40.0050.03511.99
5.4.30.0040.03611.99
5.4.20.0030.03611.98
5.4.10.0040.03511.99
5.4.00.0040.03711.48
5.3.290.0080.03612.80
5.3.280.0040.03912.71
5.3.270.0090.03612.72
5.3.260.0020.04212.71
5.3.250.0060.03612.71
5.3.240.0060.03612.72
5.3.230.0090.03412.71
5.3.220.0080.03312.68
5.3.210.0030.04112.68
5.3.200.0040.03812.68
5.3.190.0050.03712.68
5.3.180.0080.03412.67
5.3.170.0060.03512.67
5.3.160.0070.03412.68
5.3.150.0040.03812.68
5.3.140.0060.03512.66
5.3.130.0050.03912.66
5.3.120.0070.03612.66
5.3.110.0070.03612.66
5.3.100.0040.03712.12
5.3.90.0040.03612.08
5.3.80.0030.03812.07
5.3.70.0060.03412.07
5.3.60.0030.03712.06
5.3.50.0050.03512.00
5.3.40.0050.03512.00
5.3.30.0040.03511.95
5.3.20.0050.03411.72
5.3.10.0030.03611.70
5.3.00.0090.03311.68
5.2.170.0050.0299.18
5.2.160.0040.0299.18
5.2.150.0040.0319.18
5.2.140.0060.0309.18
5.2.130.0030.0299.14
5.2.120.0030.0289.14
5.2.110.0030.0309.15
5.2.100.0020.0319.14
5.2.90.0040.0289.14
5.2.80.0050.0299.14
5.2.70.0060.0289.14
5.2.60.0040.0399.09
5.2.50.0030.0319.06
5.2.40.0020.0309.04
5.2.30.0010.0329.02
5.2.20.0050.0279.01
5.2.10.0040.0388.93
5.2.00.0050.0288.78
5.1.60.0050.0238.07
5.1.50.0030.0258.06
5.1.40.0050.0238.05
5.1.30.0040.0268.40
5.1.20.0020.0288.42
5.1.10.0040.0258.14
5.1.00.0040.0248.14
5.0.50.0020.0216.62
5.0.40.0040.0186.48
5.0.30.0040.0316.29
5.0.20.0010.0226.27
5.0.10.0020.0206.24
5.0.00.0030.0306.23
4.4.90.0010.0164.78
4.4.80.0020.0174.75
4.4.70.0020.0164.75
4.4.60.0050.0194.76
4.4.50.0060.0194.77
4.4.40.0060.0314.71
4.4.30.0020.0184.76
4.4.20.0040.0194.85
4.4.10.0000.0184.85
4.4.00.0030.0264.76
4.3.110.0040.0164.67
4.3.100.0010.0164.66
4.3.90.0000.0174.64
4.3.80.0030.0244.58
4.3.70.0010.0164.63
4.3.60.0020.0154.63
4.3.50.0040.0134.63
4.3.40.0020.0244.54
4.3.30.0020.0153.29
4.3.20.0010.0163.25
4.3.10.0010.0163.21
4.3.00.0200.01715.62

preferences:
143.29 ms | 1386 KiB | 7 Q