3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo ltrim('#+&!','#&!+'); $channel_name = 'someChannel؏Name'; function isValidChannelName($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)
8.3.60.0120.00316.63
8.3.50.0090.00921.97
8.3.40.0120.00319.02
8.3.30.0120.00319.10
8.3.20.0080.00020.34
8.3.10.0050.00323.50
8.3.00.0040.00419.50
8.2.180.0040.01118.41
8.2.170.0100.00722.96
8.2.160.0070.01320.28
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0000.00822.26
8.2.110.0030.00719.26
8.2.100.0060.00618.03
8.2.90.0080.00017.75
8.2.80.0050.00319.17
8.2.70.0060.00317.93
8.2.60.0050.00317.93
8.2.50.0030.00519.48
8.2.40.0000.00820.64
8.2.30.0040.00418.14
8.2.20.0040.00417.85
8.2.10.0060.00317.89
8.2.00.0000.00917.76
8.1.280.0120.00625.92
8.1.270.0040.00422.06
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0090.00320.56
8.1.230.0060.00619.14
8.1.220.0050.00317.74
8.1.210.0050.00318.77
8.1.200.0040.00717.34
8.1.190.0040.00417.23
8.1.180.0050.00318.10
8.1.170.0040.00418.59
8.1.160.0070.00021.89
8.1.150.0000.00818.77
8.1.140.0000.00717.43
8.1.130.0030.00317.74
8.1.120.0030.00317.54
8.1.110.0040.00417.52
8.1.100.0040.00317.55
8.1.90.0000.00717.57
8.1.80.0050.00317.41
8.1.70.0000.00717.46
8.1.60.0040.00417.71
8.1.50.0030.00517.55
8.1.40.0040.00417.57
8.1.30.0080.00017.74
8.1.20.0080.00017.76
8.1.10.0060.00317.63
8.1.00.0000.00817.63
8.0.300.0000.00721.43
8.0.290.0040.00416.88
8.0.280.0070.00018.41
8.0.270.0070.00017.21
8.0.260.0000.00717.36
8.0.250.0000.00717.11
8.0.240.0040.00417.07
8.0.230.0000.00716.89
8.0.220.0080.00016.88
8.0.210.0040.00416.94
8.0.200.0060.00017.02
8.0.190.0050.00217.05
8.0.180.0030.00716.88
8.0.170.0060.00317.02
8.0.160.0000.00817.03
8.0.150.0020.00516.93
8.0.140.0050.00316.98
8.0.130.0030.00513.43
8.0.120.0030.00616.99
8.0.110.0040.00416.92
8.0.100.0000.00716.91
8.0.90.0000.00816.96
8.0.80.0090.00617.01
8.0.70.0070.00016.77
8.0.60.0000.01016.95
8.0.50.0040.00416.98
8.0.30.0140.01117.28
8.0.20.0110.00717.40
8.0.10.0040.00416.91
8.0.00.0090.00916.92
7.4.330.0000.00615.00
7.4.320.0030.00316.74
7.4.300.0000.00816.71
7.4.290.0000.00716.64
7.4.280.0040.00416.59
7.4.270.0000.00716.69
7.4.260.0040.00416.78
7.4.250.0040.00416.75
7.4.240.0040.00416.77
7.4.230.0000.00716.46
7.4.220.0140.00516.87
7.4.210.0080.00716.76
7.4.200.0000.00716.55
7.4.190.0070.00016.91
7.4.160.0030.01316.66
7.4.150.0090.00917.40
7.4.140.0130.00517.86
7.4.130.0080.01016.64
7.4.120.0110.00616.77
7.4.110.0080.01116.61
7.4.100.0060.01516.73
7.4.90.0070.01016.64
7.4.80.0060.01119.39
7.4.70.0110.00616.73
7.4.60.0160.00016.66
7.4.50.0030.00616.63
7.4.40.0090.01116.75
7.4.30.0060.00916.55
7.4.00.0100.00714.88
7.3.330.0070.00013.16
7.3.320.0050.00013.24
7.3.310.0040.00416.21
7.3.300.0000.00716.24
7.3.290.0090.00616.35
7.3.280.0040.01216.39
7.3.270.0070.01017.40
7.3.260.0140.00316.41
7.3.250.0110.00616.56
7.3.240.0070.01416.38
7.3.230.0000.01616.51
7.3.210.0100.00616.44
7.3.200.0070.01719.39
7.3.190.0090.00916.41
7.3.180.0090.00916.41
7.3.170.0120.00616.41
7.3.160.0140.00316.69
7.3.120.0030.01415.04
7.3.10.0140.01016.56
7.3.00.0080.01516.46
7.2.330.0100.00616.67
7.2.320.0100.01316.81
7.2.310.0100.01316.70
7.2.300.0130.00916.73
7.2.290.0140.00716.84
7.2.130.0140.00717.02
7.2.120.0180.00617.08
7.2.110.0170.00916.74
7.2.100.0110.01116.92
7.2.90.0140.01017.14
7.2.80.0150.01116.98
7.2.70.0140.00917.06
7.2.60.0200.01016.56
7.2.50.0210.00316.83
7.2.40.0230.00616.97
7.2.30.0170.01116.70
7.2.20.0200.00716.96
7.2.10.0140.00717.14
7.2.00.0070.00918.08
7.1.250.0190.00315.53
7.1.100.0070.01018.34
7.1.70.0030.00617.25
7.1.60.0040.01119.46
7.1.50.0150.01116.91
7.1.00.0030.07722.48
7.0.200.0030.00316.61
7.0.140.0000.07322.02
7.0.70.0030.07021.66
7.0.60.0100.04021.75
7.0.50.0070.03722.11
7.0.40.0030.04020.15
7.0.30.0030.04320.00
7.0.20.0070.03720.08
7.0.10.0030.04020.09
7.0.00.0030.04320.00
5.6.280.0030.07320.82
5.6.220.0030.07020.59
5.6.210.0100.05320.67
5.6.200.0130.03021.17
5.6.190.0030.04320.95
5.6.180.0030.03721.05
5.6.170.0030.04021.07
5.6.160.0000.03721.14
5.6.150.0070.06721.18
5.6.140.0070.06321.11
5.6.130.0100.08321.17
5.6.120.0030.04321.02
5.6.110.0070.08020.95
5.6.100.0030.05721.02
5.6.90.0070.04021.02
5.6.80.0030.04020.41
5.6.70.0070.03320.40
5.6.60.0030.04020.45
5.6.50.0070.03720.41
5.6.40.0030.03720.39
5.6.30.0000.04320.54
5.6.20.0100.03320.31
5.6.10.0070.03720.49
5.6.00.0030.04020.45
5.5.360.0100.08020.36
5.5.350.0100.07720.45
5.5.340.0000.04320.74
5.5.330.0100.03320.61
5.5.320.0000.04020.94
5.5.310.0000.04020.91
5.5.300.0100.07720.93
5.5.290.0030.07720.78
5.5.280.0030.07320.65
5.5.270.0030.07720.82
5.5.260.0030.04020.79
5.5.250.0030.04020.68
5.5.240.0030.03720.32
5.5.230.0000.05720.21
5.5.220.0000.04020.11
5.5.210.0030.05020.22
5.5.200.0030.04019.98
5.5.190.0070.03720.16
5.5.180.0000.04320.23
5.5.160.0000.04020.13
5.5.150.0030.04020.28
5.5.140.0030.03720.14
5.5.130.0030.03720.27
5.5.120.0000.04320.26
5.5.110.0030.05320.25
5.5.100.0000.04020.02
5.5.90.0030.03719.98
5.5.80.0000.04020.13
5.5.70.0000.06720.09
5.5.60.0030.07720.05
5.5.50.0000.05020.16
5.5.40.0100.06720.07
5.5.30.0030.07320.09
5.5.20.0070.08020.09
5.5.10.0030.08020.05
5.5.00.0030.04020.02
5.4.450.0030.04019.36
5.4.440.0030.04319.46
5.4.430.0070.03319.27
5.4.420.0000.04719.22
5.4.410.0000.04019.33
5.4.400.0030.03719.03
5.4.390.0000.04019.09
5.4.380.0030.03719.12
5.4.370.0070.03718.96
5.4.360.0000.04019.10
5.4.350.0000.03719.13
5.4.340.0000.04718.88
5.4.320.0030.03718.90
5.4.310.0000.04019.25
5.4.300.0030.04719.16
5.4.290.0000.03718.94
5.4.280.0100.03319.19
5.4.270.0000.03319.04
5.4.260.0000.04019.12
5.4.250.0000.03719.09
5.4.240.0030.03319.02
5.4.230.0000.07319.04
5.4.220.0070.05319.04
5.4.210.0030.07319.16
5.4.200.0000.04019.12
5.4.190.0030.07718.86
5.4.180.0030.06719.20
5.4.170.0070.03719.08
5.4.160.0100.07318.90
5.4.150.0030.07718.86
5.4.140.0030.07316.41
5.4.130.0070.07316.25
5.4.120.0000.07716.33
5.4.110.0030.07316.39
5.4.100.0000.07316.44
5.4.90.0000.07316.39
5.4.80.0030.07316.33
5.4.70.0030.03316.49
5.4.60.0000.04716.48
5.4.50.0070.05716.40
5.4.40.0070.06316.37
5.4.30.0070.07016.38
5.4.20.0070.04716.38
5.4.10.0130.05016.28
5.4.00.0070.07015.88
5.3.290.0030.03715.82
5.3.280.0030.08015.82
5.3.270.0070.05715.82
5.3.260.0100.07315.82
5.3.250.0030.06015.82
5.3.240.0200.06315.82
5.3.230.0000.07015.82
5.3.220.0030.04715.82
5.3.210.0130.07015.82
5.3.200.0100.06015.82
5.3.190.0000.08015.82
5.3.180.0000.08315.82
5.3.170.0030.05015.82
5.3.160.0030.07715.82
5.3.150.0100.04315.82
5.3.140.0030.07715.82
5.3.130.0030.05715.82
5.3.120.0000.06315.82
5.3.110.0000.09015.82
5.3.100.0030.06715.82
5.3.90.0000.04715.82
5.3.80.0030.03715.82
5.3.70.0030.07315.82
5.3.60.0070.06015.82
5.3.50.0030.03715.82
5.3.40.0030.05315.82
5.3.30.0000.04015.82
5.3.20.0000.08315.82
5.3.10.0030.03315.82
5.3.00.0130.06315.82
5.2.170.0030.03015.82
5.2.160.0000.06315.82
5.2.150.0030.04015.82
5.2.140.0030.06015.82
5.2.130.0000.05015.82
5.2.120.0000.03315.82
5.2.110.0030.02715.82
5.2.100.0000.04715.82
5.2.90.0000.04315.82
5.2.80.0070.06015.82
5.2.70.0070.04015.82
5.2.60.0000.06715.82
5.2.50.0070.06015.82
5.2.40.0000.04315.82
5.2.30.0070.05715.82
5.2.20.0030.05715.82
5.2.10.0000.05715.82
5.2.00.0000.06015.82
5.1.60.0000.04015.82
5.1.50.0100.03715.82
5.1.40.0030.04315.82
5.1.30.0030.04715.82
5.1.20.0000.03015.82
5.1.10.0000.05715.82
5.1.00.0070.04015.82
5.0.50.0070.04315.82
5.0.40.0030.04715.82
5.0.30.0030.03715.82
5.0.20.0030.04715.82
5.0.10.0100.03315.82
5.0.00.0030.05315.82
4.4.90.0000.02715.82
4.4.80.0030.03315.82
4.4.70.0030.03315.82
4.4.60.0030.02315.82
4.4.50.0030.02715.82
4.4.40.0030.03015.82
4.4.30.0000.02015.82
4.4.20.0000.01715.82
4.4.10.0030.03315.82
4.4.00.0030.05315.82
4.3.110.0000.03315.82
4.3.100.0070.02015.82
4.3.90.0030.03015.82
4.3.80.0030.04315.82
4.3.70.0000.03315.82
4.3.60.0070.03015.82
4.3.50.0030.03315.82
4.3.40.0070.04715.82
4.3.30.0000.03715.82
4.3.20.0030.03715.82
4.3.10.0000.03715.82
4.3.00.0070.03015.82

preferences:
41.95 ms | 401 KiB | 5 Q