3v4l.org

run code in 300+ PHP versions simultaneously
<?php <?php $value = preg_replace('/[^a-zA-Z0-9]/', '', 'se115ty'; $value = substr($value, 0, strlen($value) - 3) . ' ' . substr($value, strlen($value) - 3); echo $value;

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)
5.4.340.0070.03312.01
5.4.320.0040.03812.50
5.4.310.0040.04012.50
5.4.300.0060.03912.50
5.4.290.0070.03812.49
5.4.280.0080.04112.39
5.4.270.0050.03712.39
5.4.260.0040.04412.39
5.4.250.0040.04112.39
5.4.240.0060.03712.39
5.4.230.0070.03612.38
5.4.220.0060.03812.38
5.4.210.0060.03612.38
5.4.200.0040.04112.38
5.4.190.0050.03812.38
5.4.180.0090.04912.38
5.4.170.0130.05512.39
5.4.160.0070.04812.38
5.4.150.0040.03812.38
5.4.140.0060.03712.07
5.4.130.0060.03512.05
5.4.120.0080.03312.02
5.4.110.0060.03412.02
5.4.100.0050.03412.02
5.4.90.0050.03712.02
5.4.80.0080.03712.01
5.4.70.0060.03712.01
5.4.60.0070.03512.01
5.4.50.0080.03912.01
5.4.40.0070.03812.00
5.4.30.0100.05112.00
5.4.20.0110.03611.98
5.4.10.0050.03811.99
5.4.00.0050.03711.49
5.3.290.0090.04112.80
5.3.280.0080.04012.71
5.3.270.0080.04412.73
5.3.260.0080.04212.72
5.3.250.0070.05512.72
5.3.240.0110.04912.72
5.3.230.0070.04612.71
5.3.220.0090.04112.68
5.3.210.0060.03912.68
5.3.200.0090.03312.68
5.3.190.0060.03812.68
5.3.180.0090.03512.68
5.3.170.0090.04012.67
5.3.160.0080.03912.67
5.3.150.0040.04212.67
5.3.140.0110.04312.66
5.3.130.0100.04312.66
5.3.120.0090.03912.66
5.3.110.0070.04312.66
5.3.100.0060.04412.12
5.3.90.0080.03612.08
5.3.80.0070.04012.07
5.3.70.0040.04312.08
5.3.60.0060.04012.06
5.3.50.0030.04512.00
5.3.40.0120.03512.00
5.3.30.0090.04011.95
5.3.20.0160.06011.73
5.3.10.0090.05411.70
5.3.00.0070.04511.69
5.2.170.0020.0349.18
5.2.160.0060.0389.18
5.2.150.0070.0409.18
5.2.140.0020.0339.18
5.2.130.0040.0339.14
5.2.120.0040.0319.14
5.2.110.0060.0299.14
5.2.100.0060.0299.14
5.2.90.0060.0299.14
5.2.80.0040.0349.13
5.2.70.0090.0339.14
5.2.60.0030.0339.09
5.2.50.0050.0349.05
5.2.40.0090.0269.04
5.2.30.0050.0349.02
5.2.20.0040.0299.00
5.2.10.0040.0338.92
5.2.00.0050.0318.78
5.1.60.0050.0248.06
5.1.50.0060.0278.06
5.1.40.0050.0268.05
5.1.30.0040.0298.40
5.1.20.0060.0318.42
5.1.10.0040.0298.14
5.1.00.0020.0278.14
5.0.50.0040.0196.63
5.0.40.0060.0196.48
5.0.30.0020.0336.30
5.0.20.0040.0206.27
5.0.10.0030.0196.24
5.0.00.0010.0356.23
4.4.90.0020.0164.78
4.4.80.0030.0144.75
4.4.70.0020.0164.75
4.4.60.0020.0164.75
4.4.50.0030.0174.77
4.4.40.0040.0254.71
4.4.30.0030.0174.76
4.4.20.0030.0164.84
4.4.10.0050.0134.85
4.4.00.0030.0264.76
4.3.110.0040.0144.67
4.3.100.0020.0174.67
4.3.90.0020.0164.63
4.3.80.0030.0254.58
4.3.70.0030.0164.63
4.3.60.0000.0184.63
4.3.50.0020.0164.62
4.3.40.0010.0274.54
4.3.30.0020.0163.29
4.3.20.0030.0183.26
4.3.10.0020.0183.22
4.3.00.0170.0176.93

preferences:
142.09 ms | 1386 KiB | 7 Q