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)
8.3.60.0120.00418.43
8.3.50.0120.00721.99
8.3.40.0090.00918.71
8.3.30.0100.00319.04
8.3.20.0060.00320.18
8.3.10.0000.00821.92
8.3.00.0050.00222.40
8.2.180.0110.00716.63
8.2.170.0110.01122.96
8.2.160.0120.00920.95
8.2.150.0000.00824.18
8.2.140.0000.00924.66
8.2.130.0080.00026.16
8.2.120.0040.00419.36
8.2.110.0090.00022.17
8.2.100.0160.00017.84
8.2.90.0000.00719.09
8.2.80.0050.00317.97
8.2.70.0060.00317.50
8.2.60.0080.00017.80
8.2.50.0000.00818.07
8.2.40.0040.00418.22
8.2.30.0060.00617.91
8.2.20.0020.00517.53
8.2.10.0000.00717.68
8.2.00.0030.00517.60
8.1.280.0140.00025.92
8.1.270.0080.00022.14
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00423.80
8.1.230.0080.00319.08
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0080.00317.35
8.1.190.0040.00417.53
8.1.180.0000.00818.80
8.1.170.0040.00418.51
8.1.160.0040.00421.93
8.1.150.0090.00018.64
8.1.140.0040.00417.37
8.1.130.0000.00817.73
8.1.120.0000.00717.46
8.1.110.0000.00717.35
8.1.100.0000.00717.38
8.1.90.0040.00417.49
8.1.80.0080.00017.34
8.1.70.0000.00717.48
8.1.60.0030.00617.43
8.1.50.0030.00517.51
8.1.40.0040.00417.51
8.1.30.0050.00317.46
8.1.20.0000.00817.59
8.1.10.0000.00717.48
8.1.00.0030.00517.33
8.0.300.0000.00718.77
8.0.290.0040.00417.18
8.0.280.0030.00318.41
8.0.270.0000.00717.25
8.0.260.0030.00316.80
8.0.250.0070.00017.06
8.0.240.0030.00316.99
8.0.230.0050.00316.94
8.0.220.0070.00016.84
8.0.210.0000.00716.82
8.0.200.0030.00316.94
8.0.190.0060.00317.04
8.0.180.0000.00916.91
8.0.170.0090.00016.88
8.0.160.0040.00416.94
8.0.150.0040.00416.88
8.0.140.0070.00016.80
8.0.130.0040.00413.35
8.0.120.0030.00516.93
8.0.110.0070.00016.82
8.0.100.0040.00416.90
8.0.90.0020.00516.84
8.0.80.0040.01116.91
8.0.70.0030.00516.94
8.0.60.0000.00716.77
8.0.50.0070.00016.80
8.0.30.0080.01217.15
8.0.20.0120.00817.40
8.0.10.0030.00617.03
8.0.00.0110.00816.77
7.4.330.0000.00615.15
7.4.320.0060.00016.59
7.4.300.0000.00616.49
7.4.290.0070.00016.63
7.4.280.0030.00316.50
7.4.270.0050.00316.50
7.4.260.0040.00416.59
7.4.250.0040.00416.39
7.4.240.0050.00216.50
7.4.230.0000.00716.44
7.4.220.0110.00716.50
7.4.210.0080.01016.61
7.4.200.0030.00316.43
7.4.190.0000.00716.48
7.4.160.0030.01216.54
7.4.150.0030.01317.40
7.4.140.0090.00917.86
7.4.130.0140.00416.59
7.4.120.0070.00916.53
7.4.110.0080.00816.60
7.4.100.0150.00416.63
7.4.90.0030.01316.47
7.4.80.0070.01019.39
7.4.70.0090.00916.64
7.4.60.0130.00316.52
7.4.50.0040.00416.21
7.4.40.0060.00922.77
7.4.30.0150.00716.63
7.4.00.0040.01414.97
7.3.330.0060.00013.23
7.3.320.0050.00013.30
7.3.310.0030.00316.41
7.3.300.0070.00016.37
7.3.290.0130.00616.30
7.3.280.0130.00516.36
7.3.270.0080.00817.40
7.3.260.0070.01116.58
7.3.250.0110.00616.50
7.3.240.0040.01516.63
7.3.230.0110.00616.60
7.3.210.0100.01016.66
7.3.200.0140.00419.39
7.3.190.0110.01116.45
7.3.180.0110.00416.55
7.3.170.0060.01516.38
7.3.160.0100.00616.57
7.3.120.0050.01114.89
7.3.110.0070.01114.94
7.3.100.0090.00314.76
7.3.90.0120.00614.80
7.3.80.0060.00914.65
7.3.70.0100.00714.72
7.3.60.0080.00514.88
7.3.50.0100.00614.84
7.3.40.0130.00314.72
7.3.30.0130.00014.91
7.3.20.0080.00816.83
7.3.10.0080.00816.83
7.3.00.0120.00316.46
7.2.330.0140.00316.50
7.2.320.0000.01616.26
7.2.310.0080.00816.64
7.2.300.0040.01316.51
7.2.290.0090.00616.49
7.2.250.0060.01315.14
7.2.240.0030.01715.07
7.2.230.0070.00714.73
7.2.220.0070.01014.99
7.2.210.0070.01114.62
7.2.200.0040.00814.90
7.2.190.0000.00914.80
7.2.180.0040.01114.62
7.2.170.0040.01114.96
7.2.110.0230.00716.47
7.2.60.0090.00416.61
7.2.00.0040.00719.14
7.1.330.0040.01215.66
7.1.320.0000.01515.79
7.1.310.0070.01015.60
7.1.300.0000.01515.93
7.1.290.0040.01115.79
7.1.280.0050.00515.97
7.1.270.0040.01115.88
7.1.260.0090.00615.54
7.1.200.0030.00915.84
7.1.100.0110.00017.63
7.1.70.0000.00717.23
7.1.60.0070.01319.82
7.1.50.0030.02016.70
7.1.00.0070.07322.54
7.0.200.0000.00716.81
7.0.140.0130.06322.00
7.0.100.0200.05719.96
7.0.90.0030.09019.98
7.0.80.0070.07320.02
7.0.70.0400.07719.97
7.0.60.0100.06719.96
7.0.50.0130.06720.32
7.0.40.0070.06020.15
7.0.30.0100.05020.09
7.0.20.0170.06720.13
7.0.10.0200.06320.18
7.0.00.0130.05020.04
5.6.280.0000.05021.13
5.6.250.0100.08320.75
5.6.240.0100.07020.63
5.6.230.0130.07320.66
5.6.220.0030.05320.60
5.6.210.0070.07020.77
5.6.200.0130.05021.04
5.6.190.0000.08021.02
5.6.180.0100.08021.18
5.6.170.0130.07021.05
5.6.160.0070.05721.03
5.6.150.0070.08321.02
5.6.140.0030.07320.99
5.6.130.0130.07321.02
5.6.120.0000.09021.02
5.6.110.0170.07021.10
5.6.100.0070.08321.13
5.6.90.0030.05321.16
5.6.80.0070.08020.52
5.6.70.0030.04720.52
5.6.60.0070.08020.51
5.6.50.0030.08020.44
5.6.40.0030.08320.39
5.6.30.0130.07320.48
5.6.20.0070.04720.54
5.6.10.0070.07720.41
5.6.00.0030.05720.30
5.5.380.0100.07720.51
5.5.370.0130.07020.50
5.5.360.0130.07320.31
5.5.350.0100.07320.39
5.5.340.0000.06720.78
5.5.330.0030.05020.79
5.5.320.0100.08020.88
5.5.310.0130.08020.78
5.5.300.0100.08020.88
5.5.290.0030.07020.86
5.5.280.0100.08020.89
5.5.270.0100.07720.87
5.5.260.0170.07320.91
5.5.250.0070.07320.59
5.5.240.0030.07320.28
5.5.230.0030.06020.27
5.5.220.0170.06320.12
5.5.210.0070.08020.12
5.5.200.0070.06720.09
5.5.190.0130.08320.16
5.5.180.0070.08020.18
5.5.160.0170.07320.18
5.5.150.0130.06320.10
5.5.140.0070.03720.18
5.5.130.0100.07320.27
5.5.120.0130.05720.27
5.5.110.0070.03720.15
5.5.100.0030.04020.02
5.5.90.0000.04019.95
5.5.80.0100.03320.11
5.5.70.0100.03320.06
5.5.60.0000.04320.00
5.5.50.0070.03720.08
5.5.40.0030.03720.05
5.5.30.0000.04720.14
5.5.20.0030.03720.12
5.5.10.0070.05320.01
5.5.00.0100.03319.98
5.4.450.0070.04019.50
5.4.440.0100.07719.53
5.4.430.0030.07319.36
5.4.420.0170.07319.44
5.4.410.0000.08319.39
5.4.400.0100.05718.88
5.4.390.0130.06019.21
5.4.380.0070.06719.14
5.4.370.0030.06719.18
5.4.360.0070.08019.23
5.4.350.0070.07719.16
5.4.340.0030.08319.16
5.4.320.0170.06719.17
5.4.310.0100.06718.88
5.4.300.0030.09318.90
5.4.290.0100.07719.15
5.4.280.0000.06719.03
5.4.270.0070.03318.95
5.4.260.0000.04318.87
5.4.250.0000.04019.13
5.4.240.0030.04719.23
5.4.230.0030.04018.95
5.4.220.0070.03719.14
5.4.210.0000.04019.23
5.4.200.0000.04019.13
5.4.190.0070.03719.21
5.4.180.0030.03719.18
5.4.170.0030.03719.20
5.4.160.0000.04019.20
5.4.150.0070.07319.01
5.4.140.0070.05716.38
5.4.130.0000.03716.29
5.4.120.0000.04716.31
5.4.110.0030.03716.50
5.4.100.0000.04316.48
5.4.90.0030.05316.38
5.4.80.0070.03316.44
5.4.70.0070.05016.35
5.4.60.0030.03716.34
5.4.50.0070.03016.41
5.4.40.0030.03716.50
5.4.30.0030.03316.40
5.4.20.0000.03716.46
5.4.10.0000.04016.48
5.4.00.0030.03315.86
5.3.290.0070.07714.62
5.3.280.0070.03314.63
5.3.270.0170.07314.65
5.3.260.0100.03014.58
5.3.250.0000.04014.61
5.3.240.0070.04014.55
5.3.230.0100.03014.67
5.3.220.0070.03314.49
5.3.210.0000.04314.54
5.3.200.0130.02714.66
5.3.190.0000.04314.55
5.3.180.0000.04314.66
5.3.170.0070.03314.63
5.3.160.0000.04014.67
5.3.150.0030.03714.65
5.3.140.0030.04014.69
5.3.130.0030.04314.52
5.3.120.0100.03314.65
5.3.110.0070.03314.65
5.3.100.0000.04014.05
5.3.90.0070.03314.14
5.3.80.0070.03313.95
5.3.70.0000.04014.02
5.3.60.0070.03313.93
5.3.50.0000.04013.98
5.3.40.0070.03314.06
5.3.30.0030.03313.79
5.3.20.0070.03313.77
5.3.10.0000.03313.71
5.3.00.0100.05013.76
5.2.170.0000.03011.24
5.2.160.0070.02311.02
5.2.150.0030.03011.25
5.2.140.0000.03011.21
5.2.130.0000.03011.09
5.2.120.0030.02711.09
5.2.110.0000.03011.11
5.2.100.0070.02311.02
5.2.90.0030.02711.02
5.2.80.0000.04311.00
5.2.70.0000.03311.01
5.2.60.0000.03011.19
5.2.50.0030.06011.12
5.2.40.0100.04711.05
5.2.30.0100.05311.10
5.2.20.0070.03010.99
5.2.10.0130.05010.85
5.2.00.0030.06010.78
5.1.60.0000.0479.98
5.1.50.0130.04710.07
5.1.40.0100.03010.03
5.1.30.0100.02010.35
5.1.20.0000.03310.28
5.1.10.0100.0509.91
5.1.00.0030.05310.16
5.0.50.0100.0408.55
5.0.40.0030.0438.44
5.0.30.0000.0708.34
5.0.20.0070.0408.30
5.0.10.0030.0438.17
5.0.00.0070.0578.16
4.4.90.0070.0107.91
4.4.80.0000.0277.91
4.4.70.0030.0337.91
4.4.60.0000.0307.91
4.4.50.0000.0307.91
4.4.40.0030.0637.91
4.4.30.0070.0237.91
4.4.20.0070.0337.91
4.4.10.0030.0307.91
4.4.00.0000.0477.91
4.3.110.0100.0137.91
4.3.100.0000.0377.91
4.3.90.0000.0377.91
4.3.80.0030.0477.91
4.3.70.0000.0377.91
4.3.60.0000.0337.91
4.3.50.0000.0207.91
4.3.40.0000.0537.91
4.3.30.0070.0307.91
4.3.20.0000.0337.91
4.3.10.0030.0207.91
4.3.00.0000.0337.91

preferences:
50.01 ms | 400 KiB | 5 Q