3v4l.org

run code in 300+ PHP versions simultaneously
<?php function clean($str){ $re = "/([0-9a-zA-Z]|\x{500}-\x{6FF}]{0,})/u"; preg_match_all($re, $str, $matches); return isset($matches[0]) ? implode($matches[0]) : ''; } echo clean('a|"bc!@Β£d艾β012艾e^&$ییییfg'); echo "\n"; echo "\n"; echo clean('$$$'); //echo abcd012eییییfg

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)
8.3.60.0150.00618.38
8.3.50.0190.00316.49
8.3.40.0070.00718.84
8.3.30.0090.00618.98
8.3.20.0000.00819.03
8.3.10.0050.00321.52
8.3.00.0040.00419.25
8.2.180.0140.00718.67
8.2.170.0060.01219.21
8.2.160.0110.00422.96
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00421.19
8.2.120.0040.00426.35
8.2.110.0070.00321.13
8.2.100.0070.00417.93
8.2.90.0000.00819.34
8.2.80.0040.00417.97
8.2.70.0050.00318.00
8.2.60.0000.00918.03
8.2.50.0000.00818.10
8.2.40.0030.00520.46
8.2.30.0080.00020.57
8.2.20.0000.00818.05
8.2.10.0040.00418.03
8.2.00.0060.00317.91
8.1.280.0150.00025.92
8.1.270.0040.00423.96
8.1.260.0030.00528.09
8.1.250.0040.00428.09
8.1.240.0060.00323.80
8.1.230.0040.00817.51
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0000.00917.48
8.1.190.0090.00017.34
8.1.180.0060.00318.10
8.1.170.0040.00418.63
8.1.160.0050.00219.06
8.1.150.0020.00518.80
8.1.140.0030.00619.42
8.1.130.0000.00717.79
8.1.120.0000.00717.48
8.1.110.0070.00017.58
8.1.100.0040.00417.54
8.1.90.0000.00817.54
8.1.80.0050.00217.49
8.1.70.0030.00517.52
8.1.60.0000.00917.62
8.1.50.0030.00617.54
8.1.40.0000.00717.68
8.1.30.0030.00617.72
8.1.20.0030.00517.87
8.1.10.0040.00417.47
8.1.00.0000.00817.54
8.0.300.0040.00418.77
8.0.290.0030.00617.00
8.0.280.0070.00018.39
8.0.270.0050.00217.33
8.0.260.0000.00617.29
8.0.250.0030.00317.21
8.0.240.0080.00017.11
8.0.230.0000.00717.02
8.0.220.0000.00817.04
8.0.210.0030.00317.03
8.0.200.0000.00917.09
8.0.190.0000.00817.13
8.0.180.0040.00416.99
8.0.170.0000.00717.06
8.0.160.0000.00817.02
8.0.150.0000.00817.06
8.0.140.0030.00616.95
8.0.130.0030.00313.52
8.0.120.0040.00416.92
8.0.110.0050.00316.89
8.0.100.0000.00816.99
8.0.90.0000.00717.01
8.0.80.0120.00317.01
8.0.70.0000.00717.00
8.0.60.0080.00017.06
8.0.50.0050.00217.09
8.0.30.0080.00917.41
8.0.20.0090.01217.40
8.0.10.0000.00716.89
8.0.00.0120.00716.89
7.4.330.0000.00515.08
7.4.320.0040.00416.69
7.4.300.0060.00016.82
7.4.290.0030.00316.68
7.4.280.0000.00716.73
7.4.270.0060.00316.81
7.4.260.0070.00016.73
7.4.250.0040.00416.79
7.4.240.0050.00316.85
7.4.230.0050.00316.81
7.4.220.0060.00916.92
7.4.210.0090.01116.89
7.4.200.0040.00416.69
7.4.160.0070.01016.58
7.4.150.0120.00817.40
7.4.140.0070.01717.86
7.4.130.0100.00716.83
7.4.120.0060.01216.75
7.4.110.0040.01316.88
7.4.100.0030.01716.39
7.4.90.0090.00916.84
7.4.80.0090.00919.39
7.4.70.0130.00316.82
7.4.60.0070.01016.66
7.4.50.0060.00616.71
7.4.40.0000.01616.60
7.4.30.0070.01116.51
7.4.00.0090.00815.20
7.3.330.0060.00013.59
7.3.320.0000.00513.44
7.3.310.0070.00016.43
7.3.300.0040.00416.55
7.3.290.0110.00616.49
7.3.280.0090.00616.45
7.3.270.0110.01117.40
7.3.260.0160.00916.77
7.3.250.0110.01016.60
7.3.240.0050.01516.75
7.3.230.0100.00616.39
7.3.210.0030.01416.63
7.3.200.0030.01416.79
7.3.190.0090.00816.43
7.3.180.0080.00716.55
7.3.170.0130.00416.64
7.3.160.0070.01416.86
7.3.120.0000.01815.16
7.3.110.0140.00415.30
7.3.100.0120.00314.64
7.3.90.0050.00514.91
7.3.80.0060.00615.14
7.3.70.0030.01315.01
7.3.60.0070.00715.02
7.3.50.0070.00714.82
7.3.40.0100.00315.04
7.3.30.0060.00614.83
7.3.20.0070.00416.61
7.3.10.0000.01116.78
7.3.00.0030.00916.78
7.2.330.0080.00816.66
7.2.320.0090.00916.91
7.2.310.0100.00616.75
7.2.300.0140.00316.73
7.2.290.0070.01516.89
7.2.250.0030.01015.28
7.2.240.0030.01715.21
7.2.230.0090.00614.82
7.2.220.0070.00714.80
7.2.210.0030.01015.20
7.2.200.0070.00415.23
7.2.190.0060.01015.13
7.2.180.0070.01015.24
7.2.170.0030.01015.01
7.2.00.0000.01419.46
7.1.330.0090.00615.63
7.1.320.0070.00716.03
7.1.310.0040.01215.80
7.1.300.0060.00615.89
7.1.290.0110.00415.73
7.1.280.0030.01116.20
7.1.270.0060.00916.13
7.1.260.0060.00616.11
7.1.200.0070.00715.77
7.1.100.0060.00318.49
7.1.70.0030.00317.31
7.1.60.0150.01120.41
7.1.00.0000.08022.47
7.0.200.0100.00716.97
7.0.60.0170.02721.83
7.0.50.0230.05720.43
7.0.40.0170.06020.38
7.0.30.0070.06720.36
7.0.20.0130.06320.35
7.0.10.0200.05720.36
7.0.00.0070.06720.44
5.6.280.0000.07721.11
5.6.210.0030.04020.74
5.6.200.0100.05318.19
5.6.190.0200.05721.11
5.6.180.0300.07721.03
5.6.170.0130.06021.16
5.6.160.0070.06721.13
5.6.150.0100.07721.11
5.6.140.0330.06021.09
5.6.130.0270.04721.11
5.6.120.0070.06321.13
5.6.110.0100.05721.15
5.6.100.0270.04321.08
5.6.90.0100.06321.09
5.6.80.0400.05320.48
5.6.70.0600.06020.48
5.6.60.0300.05720.46
5.6.50.0300.06020.45
5.6.40.0370.05320.49
5.6.30.0370.05020.46
5.6.20.0370.05020.29
5.6.10.0270.05720.39
5.6.00.0330.06020.40
5.5.350.3830.03320.39
5.5.340.0000.05018.05
5.5.330.0330.07721.01
5.5.320.0270.07320.88
5.5.310.0200.05320.89
5.5.300.0170.08020.89
5.5.290.0170.06020.88
5.5.280.0100.06320.98
5.5.270.0170.05320.84
5.5.260.0130.05720.90
5.5.250.0170.05020.67
5.5.240.0470.07020.41
5.5.230.0230.06720.29
5.5.220.0400.05320.20
5.5.210.0330.05720.25
5.5.200.0330.05720.37
5.5.190.0330.05020.26
5.5.180.0400.06320.24
5.5.160.0270.05320.04
5.5.150.0370.05020.18
5.5.140.0370.05020.20
5.5.130.0430.05020.18
5.5.120.0300.06020.23
5.5.110.0330.05320.18
5.5.100.0330.05020.12
5.5.90.0230.05320.15
5.5.80.0400.04320.15
5.5.70.0230.06020.14
5.5.60.0300.05320.11
5.5.50.0230.06020.11
5.5.40.0400.05320.16
5.5.30.0330.05320.14
5.5.20.0200.08720.11
5.5.10.0230.08720.23
5.5.00.0330.07720.23

preferences:
84.91 ms | 400 KiB | 5 Q