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)
8.3.60.0120.00916.74
8.3.50.0120.00621.87
8.3.40.0130.00318.96
8.3.30.0100.00318.92
8.3.20.0070.00020.20
8.3.10.0050.00323.65
8.3.00.0050.00320.64
8.2.180.0160.00616.63
8.2.170.0070.00722.96
8.2.160.0070.01422.08
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0080.00622.30
8.2.110.0000.01122.08
8.2.100.0060.00617.72
8.2.90.0050.00319.05
8.2.80.0060.00318.04
8.2.70.0000.00917.75
8.2.60.0040.00417.80
8.2.50.0040.00418.07
8.2.40.0060.00318.09
8.2.30.0070.00018.11
8.2.20.0040.00417.66
8.2.10.0060.00319.41
8.2.00.0040.00417.56
8.1.280.0140.00725.92
8.1.270.0090.00023.73
8.1.260.0030.00526.35
8.1.250.0000.00728.09
8.1.240.0030.00623.77
8.1.230.0040.00719.01
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0030.00617.35
8.1.190.0080.00017.18
8.1.180.0000.00818.10
8.1.170.0050.00318.57
8.1.160.0060.00322.11
8.1.150.0020.00518.77
8.1.140.0080.00017.50
8.1.130.0050.00217.70
8.1.120.0020.00517.46
8.1.110.0080.00017.46
8.1.100.0080.00017.41
8.1.90.0000.00717.44
8.1.80.0050.00317.35
8.1.70.0000.00717.34
8.1.60.0080.00017.60
8.1.50.0060.00317.40
8.1.40.0000.00817.43
8.1.30.0040.00417.55
8.1.20.0040.00417.74
8.1.10.0080.00017.46
8.1.00.0030.00517.41
8.0.300.0030.00618.77
8.0.290.0000.00717.05
8.0.280.0000.00718.44
8.0.270.0040.00417.27
8.0.260.0060.00016.88
8.0.250.0030.00316.98
8.0.240.0000.00817.05
8.0.230.0040.00417.04
8.0.220.0070.00016.83
8.0.210.0000.00716.99
8.0.200.0000.00917.03
8.0.190.0050.00217.01
8.0.180.0050.00316.98
8.0.170.0080.00017.00
8.0.160.0000.00816.98
8.0.150.0030.00517.02
8.0.140.0040.00416.89
8.0.130.0030.00313.34
8.0.120.0040.00416.81
8.0.110.0000.00716.91
8.0.100.0070.00016.99
8.0.90.0030.00316.99
8.0.80.0120.00316.93
8.0.70.0040.00416.82
8.0.60.0060.00316.80
8.0.50.0040.00416.88
8.0.30.0050.01517.13
8.0.20.0110.00717.40
8.0.10.0040.00417.02
8.0.00.0100.00816.84
7.4.330.0050.00015.02
7.4.320.0000.00616.46
7.4.300.0030.00316.52
7.4.290.0030.00616.64
7.4.280.0000.00716.58
7.4.270.0030.00316.50
7.4.260.0030.00316.48
7.4.250.0040.00416.58
7.4.240.0040.00416.48
7.4.230.0030.00316.53
7.4.220.0070.01016.49
7.4.210.0080.00816.55
7.4.200.0000.00716.35
7.4.190.0030.00316.75
7.4.160.0000.01616.63
7.4.150.0030.01517.40
7.4.140.0130.00617.86
7.4.130.0110.00616.50
7.4.120.0090.00816.49
7.4.110.0100.01316.48
7.4.100.0090.00916.51
7.4.90.0050.01116.51
7.4.80.0060.01316.62
7.4.70.0150.00016.54
7.4.60.0130.00316.64
7.4.50.0030.00316.45
7.4.40.0090.00922.77
7.4.30.0040.01216.49
7.4.00.0070.00715.16
7.3.330.0000.00513.37
7.3.320.0000.00513.37
7.3.310.0060.00016.40
7.3.300.0000.00716.36
7.3.290.0070.00716.38
7.3.280.0100.00616.37
7.3.270.0200.00317.40
7.3.260.0080.00816.28
7.3.250.0130.00716.41
7.3.240.0120.00816.73
7.3.230.0060.01016.39
7.3.210.0160.00416.51
7.3.200.0060.01119.39
7.3.190.0130.00816.34
7.3.180.0110.01116.59
7.3.170.0110.00616.39
7.3.160.0080.00816.57
7.3.120.0090.00915.06
7.2.330.0180.01416.54
7.2.320.0170.00016.28
7.2.310.0130.00316.64
7.2.300.0100.00716.56
7.2.290.0170.00016.67
7.2.00.0060.00619.34
7.1.200.0080.00815.80
7.1.100.0000.00918.13
7.1.70.0000.00717.10
7.1.60.0040.02119.29
7.1.50.0070.01716.94
7.1.00.0030.07722.35
7.0.200.0070.00316.66
7.0.140.0100.06722.00
7.0.120.0070.07022.04
7.0.110.0070.06322.24
7.0.100.0030.06322.14
7.0.90.0030.07722.11
7.0.80.0070.06722.04
7.0.70.0070.07022.09
7.0.60.0030.07321.96
7.0.50.0030.07322.15
7.0.40.0030.06722.20
7.0.30.0000.07722.02
7.0.20.0170.06022.17
7.0.10.0000.07322.19
7.0.00.0070.07022.06
5.6.280.0000.07721.11
5.6.260.0030.06721.09
5.6.250.0030.07321.05
5.6.240.0070.06320.94
5.6.230.0030.06721.04
5.6.220.0000.07320.73
5.6.210.0030.06721.07
5.6.200.0070.07320.95
5.6.190.0030.07721.05
5.6.180.0030.06720.91
5.6.170.0070.07021.04
5.6.160.0070.07020.89
5.6.150.0000.07321.01
5.6.140.0030.07321.01
5.6.130.0100.06721.04
5.6.120.0000.08021.00
5.6.110.0070.07320.82
5.6.100.0030.07720.93
5.6.90.0000.07020.99
5.6.80.0070.06720.42
5.6.70.0030.07020.21
5.6.60.0000.07720.39
5.6.50.0070.06720.46
5.6.40.0100.06320.16
5.6.30.0130.05020.16
5.6.20.0070.07020.29
5.6.10.0070.05720.16
5.6.00.0030.07020.43
5.5.380.0030.07017.63
5.5.370.0030.07017.70
5.5.360.0000.07717.67
5.5.350.0030.07017.55
5.5.340.0000.07318.10
5.5.330.0000.07717.93
5.5.320.0030.06717.83
5.5.310.0030.07317.83
5.5.300.0070.07018.05
5.5.290.0070.07018.10
5.5.280.0000.07317.91
5.5.270.0000.07718.21
5.5.260.0000.07318.23
5.5.250.0000.07717.92
5.5.240.0000.07317.64
5.5.230.0070.07017.30
5.5.220.0000.06717.47
5.5.210.0070.06717.60
5.5.200.0000.07017.19
5.5.190.0070.06317.28
5.5.180.0000.07317.45
5.5.160.0000.07017.30
5.5.150.0000.06017.48
5.5.140.0030.05717.45
5.5.130.0030.07017.57
5.5.120.0030.06017.45
5.5.110.0030.06717.45
5.5.100.0030.07017.09
5.5.90.0070.05317.33
5.5.80.0070.06017.35
5.5.70.0000.07017.15
5.5.60.0030.06717.07
5.5.50.0030.06717.36
5.5.40.0000.07017.34
5.5.30.0000.07017.34
5.5.20.0070.06017.15
5.5.10.0030.07017.30
5.5.00.0070.06717.36
5.4.450.0030.07319.67
5.4.440.0000.07719.48
5.4.430.0070.06319.45
5.4.420.0000.07019.40
5.4.410.0070.06719.39
5.4.400.0030.06719.16
5.4.390.0000.07019.14
5.4.380.0030.06718.98
5.4.370.0000.07019.00
5.4.360.0030.07019.01
5.4.350.0070.06719.26
5.4.340.0070.06319.24
5.4.320.0070.07018.98
5.4.310.0000.07019.18
5.4.300.0030.06719.15
5.4.290.0070.06319.17
5.4.280.0030.06719.01
5.4.270.0030.06718.99
5.4.260.0000.06719.21
5.4.250.0070.06318.99
5.4.240.0030.05319.17
5.4.230.0030.06719.08
5.4.220.0100.05718.98
5.4.210.0030.06319.15
5.4.200.0000.07019.32
5.4.190.0100.06019.21
5.4.180.0070.06019.24
5.4.170.0070.06319.14
5.4.160.0030.06318.96
5.4.150.0000.07319.28
5.4.140.0070.05316.44
5.4.130.0100.05716.37
5.4.120.0070.06016.50
5.4.110.0000.07016.36
5.4.100.0130.05316.31
5.4.90.0100.05316.58
5.4.80.0070.04716.57
5.4.70.0030.06316.52
5.4.60.0070.06016.23
5.4.50.0000.06316.51
5.4.40.0000.06316.34
5.4.30.0070.06016.28
5.4.20.0000.06716.62
5.4.10.0070.06316.51
5.4.00.0000.06315.78
5.3.290.0030.06714.73
5.3.280.0030.06714.61
5.3.270.0070.06314.61
5.3.260.0030.07014.73
5.3.250.0070.06314.61
5.3.240.0030.06714.59
5.3.230.0000.07014.60
5.3.220.0030.06714.42
5.3.210.0030.08014.69
5.3.200.0000.06714.55
5.3.190.0100.06014.69
5.3.180.0030.06714.59
5.3.170.0070.06314.65
5.3.160.0030.06714.64
5.3.150.0030.06314.70
5.3.140.0000.07014.55
5.3.130.0070.06714.63
5.3.120.0030.07014.40
5.3.110.0070.06714.57
5.3.100.0000.06713.89
5.3.90.0000.06714.27
5.3.80.0030.06314.00
5.3.70.0030.05714.03
5.3.60.0030.05714.02
5.3.50.0070.06013.94
5.3.40.0000.06713.90
5.3.30.0030.06313.85
5.3.20.0030.06313.91
5.3.10.0030.06313.65
5.3.00.0000.07013.60
5.2.170.0000.05711.11
5.2.160.0070.05011.15
5.2.150.0030.05011.23
5.2.140.0000.05711.14
5.2.130.0070.04711.12
5.2.120.0030.05311.07
5.2.110.0030.05311.09
5.2.100.0000.05711.23
5.2.90.0000.05711.33
5.2.80.0000.05711.10
5.2.70.0070.05311.23
5.2.60.0000.05011.03
5.2.50.0100.04710.98
5.2.40.0030.05010.97
5.2.30.0000.05710.97
5.2.20.0000.05010.95
5.2.10.0030.04710.87
5.2.00.0000.05710.71
5.1.60.0000.0479.97
5.1.50.0030.04310.07
5.1.40.0030.04310.05
5.1.30.0000.05010.33
5.1.20.0000.05010.31
5.1.10.0000.04710.24
5.1.00.0000.05010.07
5.0.50.0000.0439.70
5.0.40.0030.0339.70
5.0.30.0030.0539.70
5.0.20.0030.0339.70
5.0.10.0030.0339.70
5.0.00.0030.0509.70
4.4.90.0000.0309.70
4.4.80.0000.0309.70
4.4.70.0000.0309.70
4.4.60.0000.0309.70
4.4.50.0030.0279.70
4.4.40.0000.0479.70
4.4.30.0030.0279.70
4.4.20.0000.0279.70
4.4.10.0030.0309.70
4.4.00.0000.0479.70
4.3.110.0030.0279.70
4.3.100.0000.0309.70
4.3.90.0030.0279.70
4.3.80.0070.0379.70
4.3.70.0000.0239.70
4.3.60.0030.0279.70
4.3.50.0000.0309.70
4.3.40.0030.0439.70
4.3.30.0070.0279.70
4.3.20.0000.0309.70
4.3.10.0030.0279.70
4.3.00.0030.0309.70

preferences:
49.11 ms | 401 KiB | 5 Q