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)
8.3.60.0100.00616.38
8.3.50.0160.00722.18
8.3.40.0120.00618.92
8.3.30.0060.01619.09
8.3.20.0080.00020.31
8.3.10.0030.00521.95
8.3.00.0030.00619.38
8.2.180.0120.00318.66
8.2.170.0150.00022.96
8.2.160.0150.00620.33
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0000.00820.68
8.2.110.0030.00622.25
8.2.100.0060.00617.84
8.2.90.0050.00319.17
8.2.80.0080.00017.97
8.2.70.0060.00317.75
8.2.60.0040.00717.79
8.2.50.0040.00418.07
8.2.40.0050.00318.16
8.2.30.0060.00317.95
8.2.20.0040.00417.87
8.2.10.0050.00318.00
8.2.00.0030.00717.78
8.1.280.0100.00725.92
8.1.270.0090.00023.84
8.1.260.0160.00326.35
8.1.250.0040.00428.09
8.1.240.0000.01023.79
8.1.230.0040.00818.98
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0060.00317.23
8.1.190.0110.00017.18
8.1.180.0050.00318.10
8.1.170.0030.00518.62
8.1.160.0040.00422.02
8.1.150.0040.00418.71
8.1.140.0050.00317.52
8.1.130.0000.00717.71
8.1.120.0040.00417.44
8.1.110.0040.00417.51
8.1.100.0000.00817.50
8.1.90.0070.00017.57
8.1.80.0040.00417.59
8.1.70.0040.00417.51
8.1.60.0080.00017.62
8.1.50.0040.00417.55
8.1.40.0040.00417.71
8.1.30.0030.00617.77
8.1.20.0030.00617.75
8.1.10.0080.00017.57
8.1.00.0050.00217.60
8.0.300.0070.00018.77
8.0.290.0040.00417.05
8.0.280.0030.00318.46
8.0.270.0000.00717.26
8.0.260.0000.00716.96
8.0.250.0000.00717.07
8.0.240.0040.00417.05
8.0.230.0040.00416.92
8.0.220.0000.00716.96
8.0.210.0040.00416.88
8.0.200.0030.00317.04
8.0.190.0030.00516.99
8.0.180.0000.00716.99
8.0.170.0000.00716.89
8.0.160.0030.00517.03
8.0.150.0000.00716.91
8.0.140.0040.00416.87
8.0.130.0060.00313.45
8.0.120.0050.00316.79
8.0.110.0040.00416.91
8.0.100.0080.00017.00
8.0.90.0040.00416.92
8.0.80.0150.00617.06
8.0.70.0050.00316.80
8.0.60.0040.00416.85
8.0.50.0040.00417.07
8.0.30.0110.01017.21
8.0.20.0090.01217.40
8.0.10.0040.00416.91
8.0.00.0110.00617.10
7.4.330.0030.00315.04
7.4.320.0000.00616.79
7.4.300.0030.00316.79
7.4.290.0030.00616.69
7.4.280.0050.00316.59
7.4.270.0070.00016.66
7.4.260.0050.00516.70
7.4.250.0000.00716.67
7.4.240.0020.00616.73
7.4.230.0000.00716.83
7.4.220.0100.01616.65
7.4.210.0070.00716.79
7.4.200.0000.00716.50
7.4.190.0070.00016.56
7.4.160.0130.01016.77
7.4.150.0030.01417.40
7.4.140.0100.00817.86
7.4.130.0130.00516.40
7.4.120.0140.00316.87
7.4.110.0070.01616.71
7.4.100.0130.01016.78
7.4.90.0060.01216.59
7.4.80.0160.00319.39
7.4.70.0110.01416.67
7.4.60.0140.00316.70
7.4.50.0090.00016.44
7.4.40.0030.01322.77
7.4.30.0070.01416.59
7.4.00.0070.00715.05
7.3.330.0000.00613.38
7.3.320.0030.00313.36
7.3.310.0030.00516.38
7.3.300.0050.00216.25
7.3.290.0030.01216.41
7.3.280.0100.00916.38
7.3.270.0150.00417.40
7.3.260.0070.01116.40
7.3.250.0120.00616.54
7.3.240.0070.01016.49
7.3.230.0130.00316.39
7.3.210.0060.01116.73
7.3.200.0150.00519.39
7.3.190.0120.00916.71
7.3.180.0060.00916.66
7.3.170.0070.01116.47
7.3.160.0120.01216.83
7.3.120.0030.01014.84
7.2.330.0150.00716.82
7.2.320.0070.01016.71
7.2.310.0130.00316.74
7.2.300.0060.01016.77
7.2.290.0080.00816.75
7.2.00.0000.01319.48
7.1.100.0000.01118.27
7.1.70.0000.00817.34
7.1.60.0120.01219.33
7.1.50.0040.00817.21
7.1.00.0070.07322.55
7.0.200.0000.00716.94
7.0.140.0070.07022.00
7.0.100.0030.04019.91
7.0.90.0030.04019.89
7.0.80.0030.04019.98
7.0.70.0030.04019.85
7.0.60.0030.04019.88
7.0.50.0000.04720.25
7.0.40.0130.07320.10
7.0.30.0170.07320.10
7.0.20.0100.07720.05
7.0.10.0130.05320.04
7.0.00.0130.07720.00
5.6.280.0030.07321.13
5.6.250.0070.03720.61
5.6.240.0100.04020.64
5.6.230.0070.04020.63
5.6.220.0030.03320.52
5.6.210.0130.02720.75
5.6.200.0070.03321.01
5.6.190.0100.08021.08
5.6.180.0030.07721.11
5.6.170.0200.07321.14
5.6.160.0170.07321.06
5.6.150.0000.08321.02
5.6.140.0170.07021.06
5.6.130.0130.08020.96
5.6.120.0030.07721.09
5.6.110.0000.08720.94
5.6.100.0130.04721.13
5.6.90.0130.07321.09
5.6.80.0100.07020.45
5.6.70.0070.07720.45
5.6.60.0100.07720.39
5.6.50.0100.04320.51
5.6.40.0100.07720.37
5.6.30.0030.08720.41
5.6.20.0070.08020.36
5.6.10.0130.07720.38
5.6.00.0200.05320.47
5.5.380.0070.03720.42
5.5.370.0030.03320.36
5.5.360.0030.04020.36
5.5.350.0030.03720.42
5.5.340.0030.04020.92
5.5.330.0170.07720.90
5.5.320.0100.08320.92
5.5.310.0130.07320.89
5.5.300.0100.07320.93
5.5.290.0000.09320.90
5.5.280.0170.07720.78
5.5.270.0130.07720.86
5.5.260.0100.05320.78
5.5.250.0000.08720.59
5.5.240.0130.06020.12
5.5.230.0100.07720.27
5.5.220.0070.07320.27
5.5.210.0100.07720.21
5.5.200.0000.07720.13
5.5.190.0130.07020.21
5.5.180.0070.07720.22
5.5.160.0000.05020.16
5.5.150.0130.07720.27
5.5.140.0030.06720.23
5.5.130.0070.08320.26
5.5.120.0070.04019.99
5.5.110.0070.08320.26
5.5.100.0070.04720.07
5.5.90.0070.07720.11
5.5.80.0130.06720.06
5.5.70.0030.08719.94
5.5.60.0100.07320.15
5.5.50.0030.06320.16
5.5.40.0070.05019.96
5.5.30.0100.06720.00
5.5.20.0070.08020.14
5.5.10.0030.09720.01
5.5.00.0100.07019.97
5.4.450.0070.08019.18
5.4.440.0000.08319.35
5.4.430.0070.08019.41
5.4.420.0070.07719.50
5.4.410.0100.05019.33
5.4.400.0100.07318.95
5.4.390.0070.08018.90
5.4.380.0070.07719.05
5.4.370.0030.05718.87
5.4.360.0130.07319.13
5.4.350.0200.06719.13
5.4.340.0070.07319.13
5.4.320.0100.04019.12
5.4.310.0000.08019.21
5.4.300.0070.05019.17
5.4.290.0030.06719.17
5.4.280.0030.07718.95
5.4.270.0030.04318.87
5.4.260.0230.05319.08
5.4.250.0130.07018.87
5.4.240.0030.06719.15
5.4.230.0100.06019.04
5.4.220.0130.07019.24
5.4.210.0130.07019.13
5.4.200.0000.08018.88
5.4.190.0070.03719.11
5.4.180.0030.08019.04
5.4.170.0030.07319.24
5.4.160.0070.07319.10
5.4.150.0030.07718.93
5.4.140.0100.06016.49
5.4.130.0070.06716.43
5.4.120.0100.05716.33
5.4.110.0070.07316.51
5.4.100.0030.04316.43
5.4.90.0100.05316.39
5.4.80.0100.06716.41
5.4.70.0070.06716.38
5.4.60.0030.04316.45
5.4.50.0100.04316.46
5.4.40.0270.05716.52
5.4.30.0130.05016.31
5.4.20.0100.05716.30
5.4.10.0100.07016.31
5.4.00.0130.05715.83
5.3.290.0030.08314.61
5.3.280.0070.07714.65
5.3.270.0100.07314.63
5.3.260.0070.08014.56
5.3.250.0070.07314.63
5.3.240.0070.05014.72
5.3.230.0000.07314.65
5.3.220.0130.07014.70
5.3.210.0070.07314.56
5.3.200.0000.05714.48
5.3.190.0030.04314.54
5.3.180.0100.07314.62
5.3.170.0100.06714.65
5.3.160.0130.07014.70
5.3.150.0170.07014.48
5.3.140.0170.04714.57
5.3.130.0030.07714.44
5.3.120.0070.09314.56
5.3.110.0070.07314.64
5.3.100.0030.07714.16
5.3.90.0070.03314.05
5.3.80.0030.06313.92
5.3.70.0130.06714.09
5.3.60.0030.07713.88
5.3.50.0030.05013.98
5.3.40.0130.06714.06
5.3.30.0030.07013.91
5.3.20.0130.03013.75
5.3.10.0100.07013.79
5.3.00.0070.07713.75
5.2.170.0030.05313.75
5.2.160.0070.03713.75
5.2.150.0070.05313.75
5.2.140.0070.02713.75
5.2.130.0000.05013.75
5.2.120.0000.06713.75
5.2.110.0070.05713.75
5.2.100.0030.04713.75
5.2.90.0070.05713.75
5.2.80.0000.05713.75
5.2.70.0030.03713.75
5.2.60.0100.06313.75
5.2.50.0100.06313.75
5.2.40.0000.06313.75
5.2.30.0070.06313.75
5.2.20.0030.03313.75
5.2.10.0100.02313.75
5.2.00.0000.06713.75
5.1.60.0030.03313.75
5.1.50.0030.03713.75
5.1.40.0070.05013.75
5.1.30.0030.06013.75
5.1.20.0000.03313.75
5.1.10.0000.06013.75
5.1.00.0100.04313.75
5.0.50.0000.02713.75
5.0.40.0030.04713.75
5.0.30.0000.05313.75
5.0.20.0030.02013.75
5.0.10.0000.05013.75
5.0.00.0030.05013.75
4.4.90.0030.03313.75
4.4.80.0070.03013.75
4.4.70.0070.02713.75
4.4.60.0000.03713.75
4.4.50.0000.02313.75
4.4.40.0000.05713.75
4.4.30.0030.03013.75
4.4.20.0000.03713.75
4.4.10.0030.03013.75
4.4.00.0070.05013.75
4.3.110.0030.02313.75
4.3.100.0000.02013.75
4.3.90.0030.03313.75
4.3.80.0030.04713.75
4.3.70.0000.03713.75
4.3.60.0030.03313.75
4.3.50.0070.01313.75
4.3.40.0030.04713.75
4.3.30.0030.03313.75
4.3.20.0000.02713.75
4.3.10.0030.03313.75
4.3.00.0000.03713.75

preferences:
60.77 ms | 401 KiB | 5 Q