3v4l.org

run code in 300+ PHP versions simultaneously
<?php $strings = [ "123A.478", "123.48", "123AX", "--123.46", "123A-.46", "-123--.46", "A-123-.46" ]; $pattern = '/^[^\d\s]+(?=-)|[^\d\s.]+(?!\d)/'; foreach ($strings as $str) { echo preg_replace($pattern, "", $str) . PHP_EOL; }

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)
8.5.30.0080.01020.14
8.5.20.0110.00719.53
8.5.10.0120.01018.59
8.5.00.0170.00419.98
8.4.180.0110.01019.55
8.4.170.0120.01219.82
8.4.160.0140.00719.68
8.4.150.0060.00716.95
8.4.140.0140.01317.44
8.4.130.0120.00718.02
8.4.120.0090.01120.53
8.4.110.0100.01122.22
8.4.100.0130.00817.75
8.4.90.0120.00917.86
8.4.80.0120.00818.02
8.4.70.0120.00919.94
8.4.60.0140.00720.40
8.4.50.0100.01118.96
8.4.40.0140.00717.95
8.4.30.0130.00720.52
8.4.20.0200.00017.91
8.4.10.0070.01023.74
8.3.300.0130.00920.56
8.3.290.0140.00918.45
8.3.280.0140.00418.57
8.3.270.0120.00816.64
8.3.260.0040.00516.57
8.3.250.0100.01018.70
8.3.240.0130.00616.79
8.3.230.0040.00416.77
8.3.220.0140.00417.36
8.3.210.0140.00416.66
8.3.200.0040.00516.72
8.3.190.0100.00717.30
8.3.180.0060.00316.88
8.3.170.0070.01016.72
8.3.160.0150.00318.23
8.3.150.0130.00616.99
8.3.140.0070.01018.72
8.3.130.0060.00318.52
8.3.120.0050.00519.01
8.3.110.0080.00020.94
8.3.100.0050.00324.06
8.3.90.0040.00426.77
8.3.80.0000.00918.68
8.3.70.0090.00618.55
8.3.60.0120.00316.72
8.3.50.0070.00720.05
8.3.40.0070.01320.05
8.3.30.0090.00918.92
8.3.20.0080.00024.18
8.3.10.0000.00824.66
8.3.00.0030.00626.16
8.2.300.0120.00918.23
8.2.290.0110.00620.39
8.2.280.0060.00420.34
8.2.270.0140.00716.69
8.2.260.0060.00319.11
8.2.250.0060.00316.61
8.2.240.0090.00019.10
8.2.230.0000.00922.58
8.2.220.0030.00537.54
8.2.210.0040.01126.77
8.2.200.0090.00016.75
8.2.190.0140.00716.88
8.2.180.0070.01025.92
8.2.170.0080.00819.09
8.2.160.0070.00722.96
8.2.150.0080.00025.66
8.2.140.0030.00624.66
8.2.130.0080.00026.16
8.2.120.0040.00421.10
8.2.110.0070.00719.24
8.2.100.0080.00517.84
8.2.90.0080.00019.22
8.2.80.0050.00317.97
8.2.70.0000.00917.75
8.2.60.0050.00318.02
8.2.50.0060.00318.07
8.2.40.0040.00418.34
8.2.30.0040.00417.95
8.2.20.0040.00420.31
8.2.10.0050.00318.13
8.2.00.0000.00719.12
8.1.340.0070.01117.93
8.1.330.0130.00624.02
8.1.320.0100.00916.42
8.1.310.0080.00016.88
8.1.300.0030.00620.22
8.1.290.0090.00030.84
8.1.280.0070.01125.92
8.1.270.0000.00822.24
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0110.00021.98
8.1.230.0060.00620.89
8.1.220.0050.00317.74
8.1.210.0030.00618.77
8.1.200.0000.00917.25
8.1.190.0000.00717.48
8.1.180.0060.00318.10
8.1.170.0080.00018.63
8.1.160.0040.00418.84
8.1.150.0070.00018.78
8.1.140.0070.00017.45
8.1.130.0040.00418.91
8.1.120.0030.00317.60
8.1.110.0030.00517.59
8.1.100.0090.00017.54
8.1.90.0050.00317.63
8.1.80.0030.00617.59
8.1.70.0000.00817.62
8.1.60.0110.00517.56
8.1.50.0100.00517.57
8.1.40.0100.00617.50
8.1.30.0110.00317.68
8.1.20.0090.00517.65
8.1.10.0070.00817.45
8.1.00.0080.00817.48
8.0.300.0000.00718.77
8.0.290.0040.00416.88
8.0.280.0070.00018.38
8.0.270.0040.00416.97
8.0.260.0060.00018.44
8.0.250.0070.00017.13
8.0.240.0050.00316.96
8.0.230.0000.00716.98
8.0.220.0030.00317.06
8.0.210.0040.00417.03
8.0.200.0000.00717.02
8.0.190.0100.00516.92
8.0.180.0110.00316.93
8.0.170.0120.00316.87
8.0.160.0090.00516.90
8.0.150.0100.00516.84
8.0.140.0100.00516.86
8.0.130.0080.00917.01
8.0.120.0100.00416.92
8.0.110.0070.00617.00
8.0.100.0110.00416.95
8.0.90.0090.00616.92
8.0.80.0140.00216.99
8.0.70.0190.00016.87
8.0.60.0130.00516.87
8.0.50.0080.00717.02
8.0.30.0110.00516.90
8.0.20.0100.00516.95
8.0.10.0110.00417.09
7.4.330.0000.00515.55
7.4.320.0000.00616.70
7.4.300.0000.00616.79
7.4.290.0060.00716.79
7.4.280.0130.00216.73
7.4.270.0070.00616.75
7.4.260.0070.00416.79
7.4.250.0090.00516.63
7.4.240.0140.00416.66
7.4.230.0140.00216.63
7.4.220.0110.00216.71
7.4.210.0110.00316.73
7.4.200.0120.00316.68
7.4.190.0130.00016.69
7.4.180.0090.00516.64
7.4.160.0060.00716.77
7.4.150.0120.00116.65
7.4.140.0100.00316.68
7.4.130.0140.00016.71
7.4.120.0050.00816.69
7.4.110.0080.00316.59
7.4.100.0090.00516.79
7.4.90.0090.00616.63
7.4.80.0130.00216.74
7.4.70.0070.00716.69
7.4.60.0080.00416.63
7.4.50.0060.00616.60
7.4.40.0060.00616.47
7.4.30.0070.00416.64
7.4.20.0070.00516.51
7.4.10.0080.00416.46
7.4.00.0100.00216.50

preferences:
56.24 ms | 1246 KiB | 5 Q