3v4l.org

run code in 300+ PHP versions simultaneously
<?php $pattern = '/[^\w]fox\s/'; if (preg_match($pattern, 'The quick brown fox jumps over the lazy dog')) { echo "'fox' is present..."; } else echo "'fox' is not present..."; />

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)
5.4.320.0070.03912.50
5.4.310.0070.04612.50
5.4.300.0050.04112.50
5.4.290.0050.04412.50
5.4.280.0060.04412.39
5.4.270.0060.03912.39
5.4.260.0070.04012.39
5.4.250.0060.04212.39
5.4.240.0060.04312.39
5.4.230.0080.03712.39
5.4.220.0070.03712.39
5.4.210.0110.04212.39
5.4.200.0050.04512.39
5.4.190.0100.04512.38
5.4.180.0030.04612.38
5.4.170.0080.04812.39
5.4.160.0070.04612.39
5.4.150.0070.03512.38
5.4.140.0040.04312.07
5.4.130.0060.03412.05
5.4.120.0080.04112.02
5.4.110.0080.04312.01
5.4.100.0060.04512.02
5.4.90.0050.03812.01
5.4.80.0090.03412.01
5.4.70.0070.03412.00
5.4.60.0050.04012.01
5.4.50.0070.04312.01
5.4.40.0090.04811.99
5.4.30.0050.04311.99
5.4.20.0030.03911.98
5.4.10.0060.03511.99
5.4.00.0030.03911.48
5.3.290.0070.04612.80
5.3.280.0060.04712.71
5.3.270.0060.04412.72
5.3.260.0100.05012.72
5.3.250.0080.04112.72
5.3.240.0040.04612.72
5.3.230.0080.03912.71
5.3.220.0040.03912.68
5.3.210.0070.03712.68
5.3.200.0060.03612.68
5.3.190.0060.05012.68
5.3.180.0110.03912.67
5.3.170.0090.04412.67
5.3.160.0050.03812.67
5.3.150.0090.03712.67
5.3.140.0050.03612.66
5.3.130.0080.03712.66
5.3.120.0050.03912.66
5.3.110.0060.03812.66
5.3.100.0070.03512.12
5.3.90.0080.03612.08
5.3.80.0100.03212.07
5.3.70.0080.03912.08
5.3.60.0070.05112.06
5.3.50.0060.04012.00
5.3.40.0080.04512.00
5.3.30.0100.03611.95
5.3.20.0070.03411.72
5.3.10.0090.03911.70
5.3.00.0090.04511.69
5.2.170.0050.0309.18
5.2.160.0070.0269.18
5.2.150.0040.0329.19
5.2.140.0060.0299.18
5.2.130.0060.0319.14
5.2.120.0060.0299.14
5.2.110.0040.0319.14
5.2.100.0080.0299.14
5.2.90.0070.0289.14
5.2.80.0080.0589.14
5.2.70.0080.0329.14
5.2.60.0070.0299.09
5.2.50.0030.0319.06
5.2.40.0070.0279.04
5.2.30.0060.0309.02
5.2.20.0040.0359.00
5.2.10.0040.0328.92
5.2.00.0100.0318.78
5.1.60.0040.0278.07
5.1.50.0030.0288.06
5.1.40.0070.0278.05
5.1.30.0060.0278.40
5.1.20.0050.0318.41
5.1.10.0060.0318.14
5.1.00.0060.0258.14
5.0.50.0050.0236.62
5.0.40.0070.0256.48
5.0.30.0030.0346.29
5.0.20.0050.0246.26
5.0.10.0050.0236.25
5.0.00.0040.0376.23
4.4.90.0040.0194.78
4.4.80.0040.0264.76
4.4.70.0030.0174.76
4.4.60.0040.0264.76
4.4.50.0060.0214.77
4.4.40.0050.0324.71
4.4.30.0050.0184.76
4.4.20.0040.0194.84
4.4.10.0060.0174.85
4.4.00.0030.0244.75
4.3.110.0030.0174.66
4.3.100.0030.0214.67
4.3.90.0050.0174.64
4.3.80.0030.0354.59
4.3.70.0080.0184.63
4.3.60.0030.0214.63
4.3.50.0040.0254.63
4.3.40.0060.0334.54
4.3.30.0050.0213.29
4.3.20.0020.0203.26
4.3.10.0010.0263.22
4.3.00.0000.01716.72

preferences:
141.97 ms | 1394 KiB | 7 Q