3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo ltrim('#+&!','#&!+'); $channel_name = 'someChannel؏Name'; function isValidChannelName($name) { echo $name; return !preg_match("#[^\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0B\x0C\x0E\x0F\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F\x21\x22\x23\x24\x25\x26\x27\x28\x29\x2A\x2B\x2D\x2E\x2F\x30\x31\x32\x33\x34\x35\x36\x37\x38\x39\x3B\x3C\x3D\x3E\x3F\x40\x41\x42\x43\x44\x45\x46\x47\x48\x49\x4A\x4B\x4C\x4D\x4E\x4F\x50\x51\x52\x53\x54\x55\x56\x57\x58\x59\x5A\x5B\x5C\x5D\x5E\x5F\x60\x61\x62\x63\x64\x65\x66\x67\x68\x69\x6A\x6B\x6C\x6D\x6E\x6F\x70\x71\x72\x73\x74\x75\x76\x77\x78\x79\x7A\x7B\x7C\x7D\x7E\x7F\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8A\x8B\x8C\x8D\x8E\x8F\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9A\x9B\x9C\x9D\x9E\x9F\xA0\xA1\xA2\xA3\xA4\xA5\xA6\xA7\xA8\xA9\xAA\xAB\xAC\xAD\xAE\xAF\xB0\xB1\xB2\xB3\xB4\xB5\xB6\xB7\xB8\xB9\xBA\xBB\xBC\xBD\xBE\xBF\xC0\xC1\xC2\xC3\xC4\xC5\xC6\xC7\xC8\xC9\xCA\xCB\xCC\xCD\xCE\xCF\xD0\xD1\xD2\xD3\xD4\xD5\xD6\xD7\xD8\xD9\xDA\xDB\xDC\xDD\xDE\xDF\xE0\xE1\xE2\xE3\xE4\xE5\xE6\xE7\xE8\xE9\xEA\xEB\xEC\xED\xEE\xEF\xF0\xF1\xF2\xF3\xF4\xF5\xF6\xF7\xF8\xF9\xFA\xFB\xFC\xFD\xFE\xFF]#",$name); } var_dump(isValidChannelName($channel_name));

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)
8.3.60.0100.00718.43
8.3.50.0110.00621.91
8.3.40.0140.00718.67
8.3.30.0100.01018.97
8.3.20.0000.00820.13
8.3.10.0040.00422.09
8.3.00.0070.00022.48
8.2.180.0090.00616.50
8.2.170.0110.00422.96
8.2.160.0060.00920.98
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0000.00817.75
8.2.110.0000.01021.06
8.2.100.0120.00017.97
8.2.90.0040.00419.17
8.2.80.0000.00817.97
8.2.70.0030.00617.46
8.2.60.0040.00417.79
8.2.50.0050.00318.07
8.2.40.0000.00818.16
8.2.30.0050.00217.94
8.2.20.0040.00417.61
8.2.10.0040.00417.56
8.2.00.0000.00817.79
8.1.280.0070.00725.92
8.1.270.0060.00323.96
8.1.260.0070.00026.35
8.1.250.0110.00728.09
8.1.240.0060.00322.20
8.1.230.0080.00319.00
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0060.00317.23
8.1.180.0080.00018.10
8.1.170.0040.00418.56
8.1.160.0040.00422.06
8.1.150.0060.00318.68
8.1.140.0050.00217.42
8.1.130.0000.00717.82
8.1.120.0040.00417.51
8.1.110.0040.00417.27
8.1.100.0040.00417.45
8.1.90.0000.00717.41
8.1.80.0000.01117.44
8.1.70.0040.00417.34
8.1.60.0040.00417.49
8.1.50.0030.00617.43
8.1.40.0030.00617.57
8.1.30.0030.00517.59
8.1.20.0040.00417.64
8.1.10.0060.00317.43
8.1.00.0080.00017.30
8.0.300.0040.00420.21
8.0.290.0000.00716.75
8.0.280.0070.00018.45
8.0.270.0000.00717.18
8.0.260.0030.00716.81
8.0.250.0000.00717.01
8.0.240.0000.00716.99
8.0.230.0050.00316.96
8.0.220.0070.00016.94
8.0.210.0070.00016.97
8.0.200.0000.00716.90
8.0.190.0000.00716.87
8.0.180.0070.00016.99
8.0.170.0040.00416.96
8.0.160.0000.00816.86
8.0.150.0040.00416.94
8.0.140.0000.00816.87
8.0.130.0000.00513.47
8.0.120.0000.00716.73
8.0.110.0040.00416.93
8.0.100.0030.00616.98
8.0.90.0080.00017.02
8.0.80.0080.00817.02
8.0.70.0080.00016.97
8.0.60.0050.00316.90
8.0.50.0000.00817.01
8.0.30.0060.01617.00
8.0.20.0090.01017.40
8.0.10.0000.00817.12
8.0.00.0090.00816.78
7.4.330.0000.00515.09
7.4.320.0000.00616.59
7.4.300.0000.00716.51
7.4.290.0000.00716.64
7.4.280.0030.00316.59
7.4.270.0070.00016.64
7.4.260.0070.00016.60
7.4.250.0000.00816.39
7.4.240.0040.00316.43
7.4.230.0070.00016.57
7.4.220.0060.01216.60
7.4.210.0110.00416.55
7.4.200.0000.00716.30
7.4.190.0040.00416.50
7.4.160.0040.01116.68
7.4.150.0100.00717.40
7.4.140.0080.01717.86
7.4.130.0090.00716.45
7.4.120.0120.00516.63
7.4.110.0140.01016.63
7.4.100.0120.00616.58
7.4.90.0000.01716.49
7.4.80.0100.01016.41
7.4.70.0090.00916.76
7.4.60.0080.00816.42
7.4.50.0060.00316.51
7.4.40.0040.01122.77
7.4.30.0120.00316.54
7.4.00.0050.01314.90
7.3.330.0030.00313.32
7.3.320.0000.00513.44
7.3.310.0030.00316.26
7.3.300.0040.00416.26
7.3.290.0070.01016.30
7.3.280.0060.00916.34
7.3.270.0120.00617.40
7.3.260.0120.01216.36
7.3.250.0100.01016.59
7.3.240.0070.01016.43
7.3.230.0060.01216.48
7.3.210.0180.00716.32
7.3.200.0140.00319.39
7.3.190.0060.01316.40
7.3.180.0130.00316.41
7.3.170.0060.01116.46
7.3.160.0040.01616.45
7.3.120.0000.01314.94
7.3.110.0040.01414.54
7.3.100.0000.01514.98
7.3.90.0100.00014.50
7.3.80.0070.00414.79
7.3.70.0040.01214.82
7.3.60.0060.00614.93
7.3.50.0120.00314.76
7.3.40.0100.00314.57
7.3.30.0100.00614.43
7.3.20.0030.00916.62
7.3.10.0070.00716.62
7.3.00.0080.00416.50
7.2.330.0070.01016.65
7.2.320.0090.00816.32
7.2.310.0200.00316.55
7.2.300.0080.00816.43
7.2.290.0030.01316.71
7.2.250.0090.00614.48
7.2.240.0070.01314.76
7.2.230.0090.00615.00
7.2.220.0030.01014.72
7.2.210.0100.00314.91
7.2.200.0080.00414.99
7.2.190.0070.01014.71
7.2.180.0100.00614.75
7.2.170.0030.01114.94
7.2.00.0060.00319.23
7.1.330.0030.01215.69
7.1.320.0100.00315.80
7.1.310.0000.01115.84
7.1.300.0090.00615.83
7.1.290.0000.00815.80
7.1.280.0000.01015.78
7.1.270.0000.00815.72
7.1.260.0030.00615.87
7.1.100.0080.00018.18
7.1.70.0030.00517.05
7.1.60.0040.00717.33
7.1.50.0080.00317.09
7.1.40.0040.00816.54
7.1.30.0060.00616.80
7.1.20.0000.01116.77
7.1.10.0030.00716.41
7.1.00.0060.00616.96
7.0.200.0050.00316.85
7.0.190.0000.00716.80
7.0.180.0040.00716.18
7.0.170.0070.00316.35
7.0.160.0000.01016.36
7.0.150.0050.00516.46
7.0.140.0080.00516.46
7.0.130.0030.00716.70
7.0.120.0030.00716.45
7.0.110.0050.00516.35
7.0.100.0040.00516.48
7.0.90.0050.00516.42
7.0.80.0030.00616.36
7.0.70.0000.01016.18
7.0.60.0000.00916.20
7.0.50.0000.01116.50
7.0.40.0000.01015.67
7.0.30.0030.00715.67
7.0.20.0150.00415.67
7.0.10.0000.00715.67
7.0.00.0000.00815.67
5.6.300.0050.04120.87
5.6.290.0040.04620.83
5.6.280.0030.04520.86
5.6.270.0070.04021.08
5.6.260.0120.03720.87
5.6.250.0000.04921.07
5.6.240.0030.04520.93
5.6.230.0070.04420.93
5.6.220.0090.03520.83
5.6.210.0040.04321.04
5.6.200.0170.03320.93
5.6.190.0030.04320.84
5.6.180.0070.04021.05
5.6.170.0040.04320.87
5.6.160.0060.03820.83
5.6.150.0030.04220.84
5.6.140.0130.03620.77
5.6.130.0270.03420.92
5.6.120.0070.04620.93
5.6.110.0000.05020.82
5.6.100.0070.04620.82
5.6.90.0030.05120.82
5.6.80.0160.03720.42
5.6.70.0060.04220.11
5.6.60.0000.05220.40
5.6.50.0090.03620.21
5.6.40.0070.04220.19
5.6.30.0120.03720.18
5.6.20.0130.05220.18
5.6.10.0000.04320.38
5.6.00.0110.03920.32
5.5.380.0060.03817.41
5.5.370.0000.05117.43
5.5.360.0210.04517.52
5.5.350.0030.04117.52
5.5.340.0000.04918.10
5.5.330.0030.04118.06
5.5.320.0030.04317.84
5.5.310.0030.04318.11
5.5.300.0000.04517.74
5.5.290.0030.04618.01
5.5.280.0070.04117.84
5.5.270.0060.04418.17
5.5.260.0070.04218.08
5.5.250.0120.03917.90
5.5.240.0000.04417.13
5.5.230.0060.03817.43
5.5.220.0120.03217.46
5.5.210.0030.05917.39
5.5.200.0000.04217.36
5.5.190.0070.03817.45
5.5.180.0100.04417.48
5.5.160.0070.03817.48
5.5.150.0030.03817.09
5.5.140.0030.05617.37
5.5.130.0030.06817.43
5.5.120.0000.04317.39
5.5.110.0000.04217.31
5.5.100.0000.05617.09
5.5.90.0000.04117.34
5.5.80.0030.03717.43
5.5.70.0030.04517.11
5.5.60.0030.03717.34
5.5.50.0070.03817.09
5.5.40.0030.03816.99
5.5.30.0030.04617.10
5.5.20.0030.04217.26
5.5.10.0070.07717.08
5.5.00.0070.03617.30
5.4.450.0030.03919.44
5.4.440.0000.04619.39
5.4.430.0000.04419.30
5.4.420.0070.03619.30
5.4.410.0000.04519.31
5.4.400.0030.04119.07
5.4.390.0000.04519.10
5.4.380.0070.03418.97
5.4.370.0030.03619.23
5.4.360.0060.03418.98
5.4.350.0030.04519.16
5.4.340.0000.04719.06
5.4.320.0070.04018.95
5.4.310.0100.03518.98
5.4.300.0070.03318.99
5.4.290.0070.04918.89
5.4.280.0030.04218.92
5.4.270.0040.03518.98
5.4.260.0070.03318.98
5.4.250.0030.03618.91
5.4.240.0000.04119.07
5.4.230.0000.04118.98
5.4.220.0070.03819.23
5.4.210.0000.04118.94
5.4.200.0100.05518.97
5.4.190.0070.06119.06
5.4.180.0090.03218.89
5.4.170.0100.05019.12
5.4.160.0070.03618.96
5.4.150.0030.04018.93
5.4.140.0000.03816.68
5.4.130.0030.03816.68
5.4.120.0000.07016.45
5.4.110.0000.04316.70
5.4.100.0030.03916.50
5.4.90.0100.03216.63
5.4.80.0030.03716.46
5.4.70.0030.03716.73
5.4.60.0100.03716.61
5.4.50.0030.03316.72
5.4.40.0030.04316.67
5.4.30.0030.04916.60
5.4.20.0030.03316.66
5.4.10.0030.04916.70
5.4.00.0040.03515.96
5.3.290.0000.05215.67
5.3.280.0000.04015.67
5.3.270.0030.03915.67
5.3.260.0030.04415.67
5.3.250.0000.03915.67
5.3.240.0070.03915.67
5.3.230.0000.06715.67
5.3.220.0070.03615.67
5.3.210.0030.03815.67
5.3.200.0030.04615.67
5.3.190.0030.03515.67
5.3.180.0030.03615.67
5.3.170.0000.03915.67
5.3.160.0100.03215.67
5.3.150.0030.03415.67
5.3.140.0000.05815.67
5.3.130.0040.03615.67
5.3.120.0000.06515.67
5.3.110.0030.06815.67
5.3.100.0000.03815.67
5.3.90.0070.03615.67
5.3.80.0060.03515.67
5.3.70.0000.04215.67
5.3.60.0030.05415.67
5.3.50.0000.03715.67
5.3.40.0030.04915.67
5.3.30.0100.03515.67
5.3.20.0030.03415.67
5.3.10.0030.03215.67
5.3.00.0030.05515.67
5.2.170.0090.02515.67
5.2.160.0000.03015.67
5.2.150.0030.05415.67
5.2.140.0040.02915.67
5.2.130.0000.03415.67
5.2.120.0000.03515.67
5.2.110.0030.02615.67
5.2.100.0000.03615.67
5.2.90.0030.02715.67
5.2.80.0030.02715.67
5.2.70.0030.03015.67
5.2.60.0030.02715.67
5.2.50.0030.02615.67
5.2.40.0030.05715.67
5.2.30.0030.02715.67
5.2.20.0030.02615.67
5.2.10.0030.03415.67
5.2.00.0100.02015.67
5.1.60.0040.02515.67
5.1.50.0030.02315.67
5.1.40.0000.03115.67
5.1.30.0030.02715.67
5.1.20.0070.02315.67
5.1.10.0070.03115.67
5.1.00.0030.02315.67
5.0.50.0040.02515.67
5.0.40.0060.01615.67
5.0.30.0100.06215.67
5.0.20.0000.02115.67
5.0.10.0040.01815.67
5.0.00.0030.04815.67
4.4.90.0030.02015.67
4.4.80.0030.01315.67
4.4.70.0000.01915.67
4.4.60.0000.01915.67
4.4.50.0030.01315.67
4.4.40.0040.02215.67
4.4.30.0030.03615.67
4.4.20.0000.01815.67
4.4.10.0000.02215.67
4.4.00.0000.02815.67
4.3.110.0000.01615.67
4.3.100.0030.01315.67
4.3.90.0030.01315.67
4.3.80.0000.05515.67
4.3.70.0000.02015.67
4.3.60.0070.02715.67
4.3.50.0000.01715.67
4.3.40.0000.02815.67
4.3.30.0000.01715.67
4.3.20.0000.02015.67
4.3.10.0000.01815.67
4.3.00.0000.01615.67

preferences:
56.15 ms | 401 KiB | 5 Q