3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "abcdefffefa"; $b = "afe"; print(str_replace(array_unic(explode('', $a)), '', $b);

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)
5.4.320.0150.04812.49
5.4.310.0120.04512.50
5.4.300.0080.03612.49
5.4.290.0060.04112.49
5.4.280.0100.03712.39
5.4.270.0060.03712.39
5.4.260.0060.04212.39
5.4.250.0110.03412.39
5.4.240.0060.03812.39
5.4.230.0070.04912.38
5.4.220.0090.03412.38
5.4.210.0050.03612.38
5.4.200.0050.03912.38
5.4.190.0090.03412.38
5.4.180.0060.03712.38
5.4.170.0050.03812.38
5.4.160.0060.03812.38
5.4.150.0070.03712.38
5.4.140.0090.03412.07
5.4.130.0060.03612.05
5.4.120.0070.04312.01
5.4.110.0040.03812.01
5.4.100.0050.03612.01
5.4.90.0050.03912.01
5.4.80.0080.03612.01
5.4.70.0100.03912.00
5.4.60.0100.04212.01
5.4.50.0090.03912.00
5.4.40.0040.04011.99
5.4.30.0050.03711.99
5.4.20.0130.04511.99
5.4.10.0090.05011.99
5.4.00.0070.03811.48
5.3.290.0070.04212.80
5.3.280.0060.03812.71
5.3.270.0070.04012.72
5.3.260.0070.03812.72
5.3.250.0050.03912.72
5.3.240.0060.03912.72
5.3.230.0070.05012.71
5.3.220.0040.04112.68
5.3.210.0150.03812.68
5.3.200.0070.05012.68
5.3.190.0090.03812.68
5.3.180.0080.03712.67
5.3.170.0060.05212.67
5.3.160.0090.05012.67
5.3.150.0060.04312.67
5.3.140.0100.03612.66
5.3.130.0080.04112.66
5.3.120.0110.03412.66
5.3.110.0070.04012.66
5.3.100.0100.03912.12
5.3.90.0070.03512.08
5.3.80.0050.04012.08
5.3.70.0090.03712.08
5.3.60.0040.03812.07
5.3.50.0050.03712.00
5.3.40.0050.04012.00
5.3.30.0080.03511.95
5.3.20.0040.03711.72
5.3.10.0040.03711.70
5.3.00.0060.03811.69
5.2.170.0060.0309.19
5.2.160.0060.0279.18
5.2.150.0040.0399.19
5.2.140.0060.0299.18
5.2.130.0050.0349.14
5.2.120.0040.0299.14
5.2.110.0040.0299.15
5.2.100.0070.0309.14
5.2.90.0040.0369.14
5.2.80.0040.0319.14
5.2.70.0050.0299.14
5.2.60.0050.0309.09
5.2.50.0080.0369.05
5.2.40.0040.0299.04
5.2.30.0060.0289.01
5.2.20.0030.0329.00
5.2.10.0020.0328.92
5.2.00.0060.0348.78
5.1.60.0050.0238.07
5.1.50.0040.0258.07
5.1.40.0080.0318.05
5.1.30.0110.0448.39
5.1.20.0040.0358.42
5.1.10.0080.0238.14
5.1.00.0070.0238.14
5.0.50.0060.0186.62
5.0.40.0070.0166.48
5.0.30.0030.0346.30
5.0.20.0040.0206.26
5.0.10.0040.0226.24
5.0.00.0020.0326.23
4.4.90.0050.0134.78
4.4.80.0030.0164.75
4.4.70.0030.0154.76
4.4.60.0040.0144.76
4.4.50.0050.0134.77
4.4.40.0030.0264.70
4.4.30.0040.0154.76
4.4.20.0030.0164.84
4.4.10.0040.0144.85
4.4.00.0020.0264.76
4.3.110.0030.0154.66
4.3.100.0040.0144.66
4.3.90.0040.0144.63
4.3.80.0030.0244.58
4.3.70.0020.0154.63
4.3.60.0010.0224.63
4.3.50.0060.0134.62
4.3.40.0070.0254.54
4.3.30.0030.0173.28
4.3.20.0020.0193.26
4.3.10.0040.0143.21
4.3.00.0070.01313.57

preferences:
142.51 ms | 1394 KiB | 7 Q