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)
5.4.350.0060.03612.02
5.4.340.0040.03512.01
5.4.320.0050.03612.49
5.4.310.0090.03512.49
5.4.300.0040.03912.50
5.4.290.0070.04212.49
5.4.280.0100.03712.39
5.4.270.0120.04212.39
5.4.260.0060.04312.39
5.4.250.0190.08612.39
5.4.240.0070.03712.39
5.4.230.0080.04612.38
5.4.220.0060.04512.38
5.4.210.0040.03812.38
5.4.200.0060.04312.38
5.4.190.0050.04012.38
5.4.180.0080.03612.38
5.4.170.0110.03512.39
5.4.160.0090.04912.38
5.4.150.0060.04112.38
5.4.140.0050.04612.07
5.4.130.0060.03512.05
5.4.120.0060.03512.01
5.4.110.0070.03812.02
5.4.100.0080.04112.01
5.4.90.0080.03812.01
5.4.80.0110.06012.02
5.4.70.0100.06712.01
5.4.60.0110.06812.00
5.4.50.0110.04912.01
5.4.40.0110.03812.00
5.4.30.0040.04511.99
5.4.20.0090.04411.98
5.4.10.0100.03811.99
5.4.00.0040.04011.48
5.3.290.0120.04312.80
5.3.280.0060.04212.71
5.3.270.0170.07212.73
5.3.260.0140.06112.72
5.3.250.0060.04312.72
5.3.240.0140.05812.72
5.3.230.0230.06712.71
5.3.220.0100.06512.68
5.3.210.0070.05612.68
5.3.200.0040.04012.68
5.3.190.0060.03912.68
5.3.180.0030.04612.67
5.3.170.0070.04512.67
5.3.160.0070.04712.67
5.3.150.0070.04412.68
5.3.140.0120.05812.66
5.3.130.0080.04212.65
5.3.120.0120.05612.66
5.3.110.0130.04812.66
5.3.100.0080.04812.11
5.3.90.0090.06612.09
5.3.80.0080.06512.07
5.3.70.0050.05012.07
5.3.60.0060.04112.06
5.3.50.0080.05012.00
5.3.40.0110.03812.00
5.3.30.0120.07811.95
5.3.20.0090.04211.73
5.3.10.0090.04511.70
5.3.00.0120.04711.70
5.2.170.0100.0379.18
5.2.160.0090.0419.18
5.2.150.0070.0409.18
5.2.140.0050.0419.18
5.2.130.0070.0379.14
5.2.120.0050.0379.14
5.2.110.0080.0349.14
5.2.100.0060.0389.14
5.2.90.0090.0499.14
5.2.80.0090.0389.14
5.2.70.0080.0409.13
5.2.60.0080.0389.09
5.2.50.0090.0419.06
5.2.40.0140.0379.03
5.2.30.0070.0429.02
5.2.20.0080.0379.01
5.2.10.0100.0318.93
5.2.00.0100.0398.79
5.1.60.0080.0328.07
5.1.50.0040.0408.07
5.1.40.0060.0258.04
5.1.30.0040.0308.39
5.1.20.0070.0278.42
5.1.10.0040.0368.14
5.1.00.0030.0308.14
5.0.50.0060.0206.63
5.0.40.0010.0236.48
5.0.30.0060.0366.29
5.0.20.0060.0206.27
5.0.10.0060.0226.24
5.0.00.0030.0376.24
4.4.90.0020.0164.78
4.4.80.0030.0164.75
4.4.70.0050.0174.75
4.4.60.0060.0144.75
4.4.50.0040.0294.77
4.4.40.0040.0294.71
4.4.30.0060.0134.76
4.4.20.0010.0184.85
4.4.10.0000.0214.85
4.4.00.0010.0284.76
4.3.110.0070.0144.67
4.3.100.0010.0194.66
4.3.90.0030.0174.64
4.3.80.0040.0254.58
4.3.70.0040.0144.63
4.3.60.0030.0154.63
4.3.50.0030.0164.63
4.3.40.0040.0254.54
4.3.30.0030.0193.29
4.3.20.0020.0203.26
4.3.10.0020.0203.21
4.3.00.0270.03312.21

preferences:
128.9 ms | 1398 KiB | 7 Q