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)
8.3.70.0090.00616.75
8.3.60.0070.01418.55
8.3.50.0130.00321.92
8.3.40.0040.01118.89
8.3.30.0150.00319.03
8.3.20.0080.00020.20
8.3.10.0080.00023.66
8.3.00.0080.00022.29
8.2.180.0150.00316.75
8.2.170.0040.01122.96
8.2.160.0030.01021.97
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0040.00419.36
8.2.110.0060.00322.25
8.2.100.0090.00317.75
8.2.90.0060.00319.23
8.2.80.0070.00017.97
8.2.70.0040.00417.50
8.2.60.0040.00417.93
8.2.50.0000.00718.07
8.2.40.0060.00318.34
8.2.30.0050.00317.97
8.2.20.0000.00817.63
8.2.10.0000.00819.57
8.2.00.0040.00417.68
8.1.280.0170.00325.92
8.1.270.0040.00422.20
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0040.01422.47
8.1.230.0040.00820.84
8.1.220.0040.00417.74
8.1.210.0040.00818.77
8.1.200.0040.00417.38
8.1.190.0030.00617.52
8.1.180.0030.00618.10
8.1.170.0000.00918.56
8.1.160.0040.00421.93
8.1.150.0070.00018.69
8.1.140.0040.00417.45
8.1.130.0000.00717.86
8.1.120.0000.00717.38
8.1.110.0030.00617.32
8.1.100.0040.00417.41
8.1.90.0000.00717.41
8.1.80.0070.00017.53
8.1.70.0030.00317.38
8.1.60.0030.00617.54
8.1.50.0000.00817.55
8.1.40.0030.00517.51
8.1.30.0030.00617.53
8.1.20.0000.00817.69
8.1.10.0000.00817.38
8.1.00.0000.00717.39
8.0.300.0000.00718.77
8.0.290.0000.00717.18
8.0.280.0030.00318.49
8.0.270.0070.00017.30
8.0.260.0030.00316.93
8.0.250.0040.00416.87
8.0.240.0040.00416.99
8.0.230.0040.00417.06
8.0.220.0000.00716.97
8.0.210.0050.00316.82
8.0.200.0050.00316.98
8.0.190.0080.00016.95
8.0.180.0030.00316.95
8.0.170.0040.00416.98
8.0.160.0000.00716.89
8.0.150.0040.00316.82
8.0.140.0030.00416.84
8.0.130.0030.00313.47
8.0.120.0030.00616.77
8.0.110.0050.00216.93
8.0.100.0070.00016.77
8.0.90.0000.01016.75
8.0.80.0060.00916.87
8.0.70.0040.00417.06
8.0.60.0040.00416.77
8.0.50.0040.00416.82
8.0.30.0080.01217.15
8.0.20.0100.00917.40
8.0.10.0000.00717.06
8.0.00.0110.01416.72
7.4.330.0050.00015.09
7.4.320.0000.00616.61
7.4.300.0000.00616.52
7.4.290.0070.00016.62
7.4.280.0000.00716.41
7.4.270.0030.00316.51
7.4.260.0070.00016.62
7.4.250.0000.00716.56
7.4.240.0040.00316.47
7.4.230.0030.00316.37
7.4.220.0190.00316.53
7.4.210.0080.00716.55
7.4.200.0030.00316.61
7.4.190.0070.00016.43
7.4.160.0000.01516.29
7.4.150.0060.01217.40
7.4.140.0080.01017.86
7.4.130.0050.01216.44
7.4.120.0090.00916.66
7.4.110.0150.00916.42
7.4.100.0060.01216.42
7.4.90.0090.00616.68
7.4.80.0110.00816.60
7.4.70.0040.01416.48
7.4.60.0140.00316.78
7.4.50.0000.00816.45
7.4.40.0030.01022.77
7.4.30.0100.00616.47
7.4.00.0080.00815.21
7.3.330.0030.00313.32
7.3.320.0030.00313.36
7.3.310.0030.00316.26
7.3.300.0000.00716.38
7.3.290.0170.00016.42
7.3.280.0110.00816.38
7.3.270.0070.01017.40
7.3.260.0120.00416.71
7.3.250.0110.00716.47
7.3.240.0130.00316.34
7.3.230.0030.01316.39
7.3.210.0070.01016.48
7.3.200.0130.01219.39
7.3.190.0140.00916.55
7.3.180.0110.01116.44
7.3.170.0090.00616.50
7.3.160.0060.01016.41
7.3.120.0060.00615.18
7.3.10.0060.00616.52
7.3.00.0000.01716.29
7.2.330.0050.01416.36
7.2.320.0060.01616.59
7.2.310.0100.01216.16
7.2.300.0190.00316.41
7.2.290.0080.01316.50
7.2.130.0150.00016.73
7.2.120.0040.01616.56
7.2.110.0070.01116.51
7.2.100.0090.00316.32
7.2.90.0090.00616.41
7.2.80.0110.00316.05
7.2.70.0070.00716.68
7.2.60.0080.00816.66
7.2.50.0060.01216.38
7.2.40.0130.00916.46
7.2.30.0150.00616.41
7.2.20.0100.01416.63
7.2.10.0130.00316.44
7.2.00.0070.00716.72
7.1.250.0050.00315.48
7.1.200.0030.01315.89
7.1.70.0000.00716.79
7.1.60.0100.01319.24
7.1.50.0040.00717.05
7.1.00.0000.08022.43
7.0.200.0130.00316.82
7.0.140.0130.06322.08
7.0.100.0100.05719.96
7.0.90.0070.08320.03
7.0.80.0070.10319.93
7.0.70.0200.06019.96
7.0.60.0070.08319.96
7.0.50.0100.06320.16
7.0.40.0100.07720.11
7.0.30.0170.07719.95
7.0.20.0100.08020.13
7.0.10.0170.05720.14
7.0.00.0030.05020.14
5.6.280.0100.08721.09
5.6.250.0100.07020.54
5.6.240.0000.05020.61
5.6.230.0200.06720.48
5.6.220.0100.06720.62
5.6.210.0130.06720.75
5.6.200.0030.06321.18
5.6.190.0130.08321.14
5.6.180.0070.07721.00
5.6.170.0030.08321.05
5.6.160.0030.08021.04
5.6.150.0100.04321.02
5.6.140.0070.06721.03
5.6.130.0030.08721.04
5.6.120.0070.08321.02
5.6.110.0070.06721.09
5.6.100.0070.06720.95
5.6.90.0130.08020.99
5.6.80.0030.04020.41
5.6.70.0030.04720.55
5.6.60.0070.07020.48
5.6.50.0030.07320.39
5.6.40.0130.05020.33
5.6.30.0100.06320.54
5.6.20.0070.08020.39
5.6.10.0030.06320.49
5.6.00.0030.04720.42
5.5.380.0070.07320.39
5.5.370.0070.06320.37
5.5.360.0100.04720.42
5.5.350.0070.05320.45
5.5.340.0170.05020.88
5.5.330.0100.08720.94
5.5.320.0100.03720.80
5.5.310.0130.03320.77
5.5.300.0100.07720.91
5.5.290.0070.08320.75
5.5.280.0030.08720.79
5.5.270.0070.07320.77
5.5.260.0170.07320.77
5.5.250.0130.07020.71
5.5.240.0130.06020.27
5.5.230.0030.04720.28
5.5.220.0030.04720.17
5.5.210.0000.08720.29
5.5.200.0100.07719.99
5.5.190.0200.06720.23
5.5.180.0070.07320.10
5.5.160.0170.07020.11
5.5.150.0030.05020.17
5.5.140.0030.07320.25
5.5.130.0170.07320.13
5.5.120.0000.07720.13
5.5.110.0100.07020.21
5.5.100.0070.07020.08
5.5.90.0070.07720.09
5.5.80.0100.08020.16
5.5.70.0130.08020.00
5.5.60.0170.07020.14
5.5.50.0070.07020.03
5.5.40.0030.06720.03
5.5.30.0030.07720.05
5.5.20.0030.06720.08
5.5.10.0130.07320.02
5.5.00.0030.07019.96
5.4.450.0030.08019.23
5.4.440.0130.05319.37
5.4.430.0030.05019.37
5.4.420.0100.04319.20
5.4.410.0030.06319.32
5.4.400.0130.06719.04
5.4.390.0070.05719.20
5.4.380.0100.03719.13
5.4.370.0030.05719.14
5.4.360.0100.04019.23
5.4.350.0100.07019.03
5.4.340.0030.04719.11
5.4.320.0070.07019.18
5.4.310.0100.07718.89
5.4.300.0130.04718.89
5.4.290.0030.04319.16
5.4.280.0030.07019.18
5.4.270.0130.07319.13
5.4.260.0200.03019.15
5.4.250.0030.07319.13
5.4.240.0030.07019.25
5.4.230.0030.07719.08
5.4.220.0170.07019.02
5.4.210.0070.05718.84
5.4.200.0070.04319.15
5.4.190.0130.05019.14
5.4.180.0070.04318.84
5.4.170.0070.04319.04
5.4.160.0070.07319.21
5.4.150.0100.06319.19
5.4.140.0030.08316.45
5.4.130.0070.07316.40
5.4.120.0100.06716.45
5.4.110.0070.07316.46
5.4.100.0130.06016.42
5.4.90.0070.06716.51
5.4.80.0030.04316.49
5.4.70.0030.05016.37
5.4.60.0030.06316.46
5.4.50.0000.05016.45
5.4.40.0100.07316.47
5.4.30.0070.08016.36
5.4.20.0070.07716.39
5.4.10.0070.07316.36
5.4.00.0100.06715.90
5.3.290.0230.06314.64
5.3.280.0030.03714.65
5.3.270.0000.05014.72
5.3.260.0100.07014.62
5.3.250.0130.05314.61
5.3.240.0100.04314.72
5.3.230.0100.07314.59
5.3.220.0130.07314.57
5.3.210.0130.07014.63
5.3.200.0030.05014.62
5.3.190.0000.06314.53
5.3.180.0100.06314.61
5.3.170.0070.04014.70
5.3.160.0100.03714.61
5.3.150.0030.08014.50
5.3.140.0100.07714.52
5.3.130.0130.06314.49
5.3.120.0070.07014.59
5.3.110.0070.07714.47
5.3.100.0100.07714.14
5.3.90.0030.04713.95
5.3.80.0000.08014.16
5.3.70.0100.07313.93
5.3.60.0030.04314.05
5.3.50.0100.07314.01
5.3.40.0130.06013.97
5.3.30.0070.04013.84
5.3.20.0070.04013.69
5.3.10.0030.05013.72
5.3.00.0100.07013.74
5.2.170.0000.04012.31
5.2.160.0030.06012.31
5.2.150.0030.05712.31
5.2.140.0100.05712.31
5.2.130.0070.06012.31
5.2.120.0030.06012.31
5.2.110.0130.05312.31
5.2.100.0070.05712.31
5.2.90.0070.05312.31
5.2.80.0100.05712.31
5.2.70.0070.06012.31
5.2.60.0100.05712.31
5.2.50.0030.06012.31
5.2.40.0030.05712.31
5.2.30.0070.04712.31
5.2.20.0030.03312.31
5.2.10.0070.03712.31
5.2.00.0030.06312.31
5.1.60.0030.02712.31
5.1.50.0030.04712.31
5.1.40.0030.04312.31
5.1.30.0030.03712.31
5.1.20.0100.02312.31
5.1.10.0100.02012.31
5.1.00.0030.06312.31
5.0.50.0000.04712.31
5.0.40.0000.02312.31
5.0.30.0070.03012.31
5.0.20.0000.04712.31
5.0.10.0070.04012.31
5.0.00.0000.06312.31
4.4.90.0070.03012.31
4.4.80.0070.01312.31
4.4.70.0000.03012.31
4.4.60.0070.03312.31
4.4.50.0000.03712.31
4.4.40.0070.04312.31
4.4.30.0100.02712.31
4.4.20.0030.02312.31
4.4.10.0070.02012.31
4.4.00.0000.05012.31
4.3.110.0030.03312.31
4.3.100.0100.02712.31
4.3.90.0000.04012.31
4.3.80.0000.05712.31
4.3.70.0070.03012.31
4.3.60.0070.03012.31
4.3.50.0000.02012.31
4.3.40.0000.05012.31
4.3.30.0000.02312.31
4.3.20.0030.03012.31
4.3.10.0030.02012.31
4.3.00.0000.03712.31

preferences:
48.39 ms | 401 KiB | 5 Q