3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo ltrim('#+&!','#&!+'); $channel_name = '#someChannelName'; function isValidChannelName($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); }

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)
8.3.70.0140.00316.36
8.3.60.0160.00316.25
8.3.50.0110.01118.10
8.3.40.0180.00318.88
8.3.30.0140.00018.54
8.3.20.0060.00318.57
8.3.10.0050.00320.58
8.3.00.0090.00017.25
8.2.180.0100.01016.38
8.2.170.0110.00422.96
8.2.160.0090.00622.13
8.2.150.0000.00724.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0040.00421.11
8.2.110.0070.00320.97
8.2.100.0060.00918.09
8.2.90.0040.00417.88
8.2.80.0040.00417.97
8.2.70.0080.00018.04
8.2.60.0040.00418.09
8.2.50.0040.00418.10
8.2.40.0000.00819.34
8.2.30.0070.00019.30
8.2.20.0070.00017.57
8.2.10.0050.00317.60
8.2.00.0040.00417.60
8.1.280.0140.00725.92
8.1.270.0050.00323.99
8.1.260.0080.00026.35
8.1.250.0060.00328.09
8.1.240.0070.00722.10
8.1.230.0120.00020.69
8.1.220.0050.00317.74
8.1.210.0050.00318.77
8.1.200.0030.00617.23
8.1.190.0080.00017.10
8.1.180.0040.00418.10
8.1.170.0040.00418.61
8.1.160.0000.00718.73
8.1.150.0000.00718.86
8.1.140.0060.00317.43
8.1.130.0030.00317.86
8.1.120.0070.00017.44
8.1.110.0000.00817.30
8.1.100.0000.00717.43
8.1.90.0030.00317.24
8.1.80.0000.00717.27
8.1.70.0000.00717.37
8.1.60.0080.00017.50
8.1.50.0040.00417.39
8.1.40.0000.00817.34
8.1.30.0060.00317.53
8.1.20.0050.00317.55
8.1.10.0040.00417.46
8.1.00.0040.00417.42
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0030.00318.31
8.0.270.0070.00017.16
8.0.260.0000.00616.71
8.0.250.0040.00416.93
8.0.240.0030.00316.81
8.0.230.0000.00716.80
8.0.220.0000.00716.80
8.0.210.0070.00016.71
8.0.200.0000.00616.74
8.0.190.0040.00416.79
8.0.180.0050.00216.81
8.0.170.0050.00216.80
8.0.160.0000.00816.78
8.0.150.0000.00816.75
8.0.140.0060.00616.69
8.0.130.0060.00013.25
8.0.120.0030.00616.84
8.0.110.0030.00316.72
8.0.100.0070.00016.81
8.0.90.0040.00416.85
8.0.80.0060.01016.88
8.0.70.0000.00716.76
8.0.60.0000.00716.79
8.0.50.0000.00816.93
8.0.30.0130.00717.09
8.0.20.0100.00916.90
8.0.10.0000.00816.75
8.0.00.0130.00516.61
7.4.330.0020.00212.84
7.4.320.0030.00316.53
7.4.300.0030.00316.50
7.4.290.0040.00416.41
7.4.280.0030.00516.43
7.4.270.0000.00616.55
7.4.260.0070.00013.13
7.4.250.0060.00316.52
7.4.240.0000.00716.47
7.4.230.0030.00316.41
7.4.220.0120.00616.31
7.4.210.0070.00916.53
7.4.200.0070.00016.31
7.4.190.0040.00316.69
7.4.160.0070.00716.57
7.4.150.0120.00616.48
7.4.140.0070.01516.36
7.4.130.0110.00716.45
7.4.120.0110.00616.39
7.4.110.0100.00616.31
7.4.100.0090.00616.41
7.4.90.0150.00316.51
7.4.80.0000.01619.39
7.4.70.0140.00316.45
7.4.60.0100.01016.48
7.4.50.0030.00316.18
7.4.40.0060.00916.48
7.4.30.0070.01016.41
7.4.00.0050.01014.92
7.3.330.0060.00013.05
7.3.320.0030.00312.97
7.3.310.0000.00716.21
7.3.300.0000.00716.18
7.3.290.0030.01116.18
7.3.280.0120.00416.16
7.3.270.0100.00716.46
7.3.260.0090.00916.31
7.3.250.0150.00616.30
7.3.240.0100.01316.21
7.3.230.0030.01316.31
7.3.210.0040.01816.47
7.3.200.0030.01416.21
7.3.190.0100.00716.09
7.3.180.0130.00816.12
7.3.170.0080.00816.27
7.3.160.0040.01116.36
7.3.120.0030.01514.77
7.3.110.0100.00614.68
7.3.100.0080.00814.78
7.3.90.0050.00914.67
7.3.80.0070.00714.61
7.3.70.0070.00514.77
7.3.60.0070.01014.63
7.3.50.0050.00814.57
7.3.40.0040.00914.60
7.3.30.0090.00414.66
7.3.20.0090.00716.50
7.3.10.0050.00916.47
7.3.00.0060.00816.57
7.2.330.0100.00716.61
7.2.320.0110.00616.66
7.2.310.0100.01016.65
7.2.300.0070.01016.31
7.2.290.0060.00916.43
7.2.250.0100.00814.71
7.2.240.0070.01114.98
7.2.230.0110.00514.70
7.2.220.0040.00614.90
7.2.210.0050.00814.96
7.2.200.0040.00914.91
7.2.190.0050.01014.96
7.2.180.0070.00914.89
7.2.170.0070.00914.95
7.2.00.0060.00919.22
7.1.330.0020.01315.62
7.1.320.0030.01015.69
7.1.310.0040.00915.66
7.1.300.0080.00615.39
7.1.290.0060.00915.64
7.1.280.0080.00715.52
7.1.270.0060.00915.52
7.1.260.0060.00815.64
7.1.100.0070.00717.78
7.1.70.0000.00816.94
7.1.60.0140.01019.40
7.1.50.0070.01016.71
7.1.00.0070.04022.35
7.0.200.0260.00314.45
7.0.140.0100.06022.18
7.0.120.0070.07322.18
7.0.60.0100.03320.03
7.0.50.0170.05317.85
7.0.40.0200.09020.27
7.0.30.0300.04720.11
7.0.20.0330.07720.02
7.0.10.0170.05320.02
7.0.00.0230.08020.14
5.6.280.0070.07020.82
5.6.210.0070.05320.53
5.6.200.0070.08018.29
5.6.190.0270.07320.33
5.6.180.0270.07320.61
5.6.170.0300.04320.77
5.6.160.0170.09020.51
5.6.150.0370.06020.34
5.6.140.0230.05720.52
5.6.130.0230.08020.50
5.6.120.0300.05720.20
5.6.110.0270.05020.49
5.6.100.0270.06320.49
5.6.90.0270.03720.11
5.6.80.0270.04319.57
5.6.70.0230.05319.79
5.6.60.0270.07319.55
5.6.50.0300.07019.79
5.6.40.0230.05719.54
5.6.30.0230.07719.77
5.6.20.0200.05319.54
5.6.10.0200.07019.86
5.6.00.0270.04719.85
5.5.350.0270.07720.44
5.5.340.0000.08317.96
5.5.330.0230.04320.25
5.5.320.0200.04320.13
5.5.310.0270.04720.28
5.5.300.0230.07020.14
5.5.290.0200.08020.17
5.5.280.0300.07020.08
5.5.270.0200.08320.29
5.5.260.0200.08720.29
5.5.250.0270.07719.93
5.5.240.0200.08019.61
5.5.230.0200.07719.58
5.5.220.0170.05319.35
5.5.210.0170.08719.42
5.5.200.0100.08019.45
5.5.190.0170.05019.39
5.5.180.0230.05319.34
5.5.160.0300.07319.48
5.5.150.0200.04719.59
5.5.140.0270.05019.64
5.5.130.0200.06719.48
5.5.120.0130.06319.32
5.5.110.0200.04319.35
5.5.100.0270.07319.49
5.5.90.0200.04719.39
5.5.80.0270.04719.25
5.5.70.0170.04019.45
5.5.60.0130.06319.36
5.5.50.0230.05019.45
5.5.40.0170.04319.32
5.5.30.0300.06019.31
5.5.20.0170.07019.37
5.5.10.0170.04319.38
5.5.00.0200.07319.30
5.4.450.0130.05319.18
5.4.440.0270.03719.48
5.4.430.0300.06719.47
5.4.420.0200.08019.20
5.4.410.0200.05019.07
5.4.400.0200.04019.13
5.4.390.0230.05718.86
5.4.380.0270.06719.09
5.4.370.0230.05718.86
5.4.360.0330.04719.25
5.4.350.0200.05719.15
5.4.340.0200.07719.24
5.4.320.0170.05719.25
5.4.310.0270.06719.25
5.4.300.0270.07019.24
5.4.290.0400.05719.24
5.4.280.0230.07319.00
5.4.270.0270.07019.24
5.4.260.0330.05019.25
5.4.250.0130.04718.89
5.4.240.0270.06319.14
5.4.230.0300.05719.23
5.4.220.0170.04319.28
5.4.210.0170.05019.14
5.4.200.0270.06319.11
5.4.190.0230.06718.97
5.4.180.0230.06018.84
5.4.170.0100.04019.14
5.4.160.0170.07319.19
5.4.150.0270.02318.86
5.4.140.0170.07016.43
5.4.130.0230.05016.37
5.4.120.0300.06016.33
5.4.110.0230.05016.37
5.4.100.0070.04316.43
5.4.90.0170.07016.32
5.4.80.0130.04016.44
5.4.70.0100.03716.44
5.4.60.0270.08016.35
5.4.50.0170.03316.35
5.4.40.0070.04016.39
5.4.30.0100.03716.39
5.4.20.0200.04016.38
5.4.10.0200.03716.30
5.4.00.0130.03315.95
5.3.290.0230.07314.69
5.3.280.0270.07014.62
5.3.270.0170.05014.63
5.3.260.0270.06014.61
5.3.250.0200.06714.75
5.3.240.0230.07014.60
5.3.230.0270.05714.59
5.3.220.0200.06014.60
5.3.210.0030.07314.57
5.3.200.0270.06314.58
5.3.190.0230.06014.62
5.3.180.0100.04314.56
5.3.170.0200.03714.49
5.3.160.0200.03014.61
5.3.150.0100.04014.57
5.3.140.0170.03714.55
5.3.130.0330.02714.60
5.3.120.0300.02314.61
5.3.110.0130.03714.70
5.3.100.0100.04014.20
5.3.90.0170.04714.04
5.3.80.0200.03714.03
5.3.70.0170.07313.91
5.3.60.0270.04014.09
5.3.50.0170.04313.96
5.3.40.0200.03014.09
5.3.30.0200.07313.92
5.3.20.0200.07013.65
5.3.10.0070.04013.66
5.3.00.0170.07313.64
5.2.170.0100.05012.62
5.2.160.0100.05312.62
5.2.150.0130.05012.62
5.2.140.0200.06312.62
5.2.130.0100.03712.62
5.2.120.0170.06012.62
5.2.110.0130.04712.62
5.2.100.0170.06012.62
5.2.90.0130.05012.62
5.2.80.0230.04312.62
5.2.70.0170.05012.62
5.2.60.0170.03712.62
5.2.50.0170.06312.62
5.2.40.0200.05712.62
5.2.30.0130.03312.62
5.2.20.0070.03312.62
5.2.10.0230.05312.62
5.2.00.0200.04012.62
5.1.60.0170.03012.62
5.1.50.0170.05312.62
5.1.40.0200.04012.62
5.1.30.0070.03712.62
5.1.20.0130.02712.62
5.1.10.0170.03012.62
5.1.00.0200.04712.62
5.0.50.0130.02312.62
5.0.40.0100.04712.62
5.0.30.0070.05312.62
5.0.20.0100.02312.62
5.0.10.0070.02012.62
5.0.00.0100.03012.62
4.4.90.0070.02712.62
4.4.80.0130.03012.62
4.4.70.0030.03712.62
4.4.60.0100.02712.62
4.4.50.0170.03012.62
4.4.40.0130.02312.62
4.4.30.0100.03712.62
4.4.20.0200.01312.62
4.4.10.0070.02712.62
4.4.00.0230.03312.62
4.3.110.0100.01312.62
4.3.100.0070.02712.62
4.3.90.0070.01312.62
4.3.80.0130.05312.62
4.3.70.0100.02012.62
4.3.60.0030.01712.62
4.3.50.0070.03312.62
4.3.40.0030.05012.62
4.3.30.0070.01712.62
4.3.20.0070.03312.62
4.3.10.0030.03312.62
4.3.00.0000.02012.62

preferences:
52.33 ms | 401 KiB | 5 Q