3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'CS232'; echo preg_replace('/'\w{3}/', '', $a);

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)
5.4.350.0060.03712.01
5.4.340.0070.03812.01
5.4.320.0070.04212.50
5.4.310.0050.04412.50
5.4.300.0090.03412.49
5.4.290.0100.03912.49
5.4.280.0070.03712.39
5.4.270.0050.03612.39
5.4.260.0070.03912.39
5.4.250.0070.04212.39
5.4.240.0080.03412.39
5.4.230.0070.03512.38
5.4.220.0040.03712.38
5.4.210.0040.03912.38
5.4.200.0040.03912.38
5.4.190.0090.03312.38
5.4.180.0030.03912.38
5.4.170.0090.03312.39
5.4.160.0090.03412.38
5.4.150.0080.03512.38
5.4.140.0070.04112.07
5.4.130.0080.03412.05
5.4.120.0060.03512.01
5.4.110.0030.04112.01
5.4.100.0090.03212.01
5.4.90.0040.03812.01
5.4.80.0060.03712.01
5.4.70.0010.04012.01
5.4.60.0040.04012.01
5.4.50.0050.03712.01
5.4.40.0060.03412.00
5.4.30.0090.03711.99
5.4.20.0070.03711.99
5.4.10.0020.04011.99
5.4.00.0060.03811.48
5.3.290.0050.04212.80
5.3.280.0090.03512.71
5.3.270.0040.04012.72
5.3.260.0070.03812.72
5.3.250.0040.04012.72
5.3.240.0080.04012.72
5.3.230.0030.04012.71
5.3.220.0050.03812.68
5.3.210.0060.03912.68
5.3.200.0070.03612.68
5.3.190.0100.03412.68
5.3.180.0100.04712.67
5.3.170.0140.04412.67
5.3.160.0130.03712.67
5.3.150.0050.04212.67
5.3.140.0090.03612.66
5.3.130.0080.04612.66
5.3.120.0080.04012.66
5.3.110.0070.03812.66
5.3.100.0060.03712.12
5.3.90.0070.03612.09
5.3.80.0070.03912.07
5.3.70.0030.04412.07
5.3.60.0140.04212.07
5.3.50.0040.04612.00
5.3.40.0070.04012.00
5.3.30.0090.06611.95
5.3.20.0080.03811.72
5.3.10.0120.04211.70
5.3.00.0080.04811.68
5.2.170.0060.0379.18
5.2.160.0020.0389.18
5.2.150.0060.0319.18
5.2.140.0040.0329.18
5.2.130.0090.0379.14
5.2.120.0040.0299.13
5.2.110.0030.0309.14
5.2.100.0060.0279.14
5.2.90.0040.0319.14
5.2.80.0070.0309.14
5.2.70.0060.0319.14
5.2.60.0020.0359.09
5.2.50.0070.0319.06
5.2.40.0030.0319.03
5.2.30.0030.0359.01
5.2.20.0110.0319.00
5.2.10.0020.0338.92
5.2.00.0060.0298.78
5.1.60.0070.0248.07
5.1.50.0020.0268.06
5.1.40.0030.0258.05
5.1.30.0050.0268.40
5.1.20.0050.0258.42
5.1.10.0040.0268.14
5.1.00.0060.0318.14
5.0.50.0050.0226.62
5.0.40.0050.0186.48
5.0.30.0020.0326.29
5.0.20.0070.0196.26
5.0.10.0050.0226.24
5.0.00.0000.0376.23
4.4.90.0010.0184.78
4.4.80.0030.0164.75
4.4.70.0020.0174.75
4.4.60.0020.0184.75
4.4.50.0040.0154.77
4.4.40.0040.0264.71
4.4.30.0110.0464.76
4.4.20.0030.0164.84
4.4.10.0040.0164.84
4.4.00.0050.0234.76
4.3.110.0030.0154.66
4.3.100.0040.0144.66
4.3.90.0050.0144.63
4.3.80.0070.0464.59
4.3.70.0030.0164.63
4.3.60.0020.0174.63
4.3.50.0050.0134.63
4.3.40.0030.0244.54
4.3.30.0010.0183.28
4.3.20.0030.0153.26
4.3.10.0050.0143.21
4.3.00.0100.0237.36

preferences:
142.53 ms | 1386 KiB | 7 Q