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)
8.3.60.0090.00616.75
8.3.50.0130.00718.34
8.3.40.0130.00318.72
8.3.30.0030.01418.99
8.3.20.0030.00518.85
8.3.10.0030.00619.05
8.3.00.0000.00819.50
8.2.180.0060.00916.50
8.2.170.0120.00322.96
8.2.160.0150.00319.11
8.2.150.0090.00024.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0000.00720.98
8.2.110.0030.00620.38
8.2.100.0090.00319.82
8.2.90.0050.00317.88
8.2.80.0040.00419.09
8.2.70.0060.00317.63
8.2.60.0040.00417.80
8.2.50.0030.00618.07
8.2.40.0000.00820.01
8.2.30.0000.00917.71
8.2.20.0060.00617.75
8.2.10.0070.00017.81
8.2.00.0080.00417.75
8.1.280.0080.00625.92
8.1.270.0090.00023.99
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0050.00518.96
8.1.230.0090.00317.64
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0000.00917.35
8.1.190.0000.00817.23
8.1.180.0060.00318.10
8.1.170.0040.00418.61
8.1.160.0000.00719.00
8.1.150.0040.00418.67
8.1.140.0040.00417.49
8.1.130.0000.00717.44
8.1.120.0070.00017.51
8.1.110.0040.00417.50
8.1.100.0040.00417.49
8.1.90.0000.00717.45
8.1.80.0000.00717.55
8.1.70.0000.00717.51
8.1.60.0040.00417.76
8.1.50.0000.00817.50
8.1.40.0050.00317.63
8.1.30.0040.00417.63
8.1.20.0040.00417.84
8.1.10.0040.00417.55
8.1.00.0060.00317.57
8.0.300.0050.00318.77
8.0.290.0040.00416.75
8.0.280.0030.00318.53
8.0.270.0070.00017.27
8.0.260.0030.00316.87
8.0.250.0000.00717.11
8.0.240.0040.00416.91
8.0.230.0000.00716.89
8.0.220.0030.00316.89
8.0.210.0000.00716.86
8.0.200.0000.00717.01
8.0.190.0050.00317.00
8.0.180.0030.00616.97
8.0.170.0030.00616.86
8.0.160.0000.00817.04
8.0.150.0030.00616.91
8.0.140.0040.00416.90
8.0.130.0030.00313.40
8.0.120.0060.00316.82
8.0.110.0000.00716.81
8.0.100.0040.00417.08
8.0.90.0000.00816.79
8.0.80.0070.01416.96
8.0.70.0040.00417.04
8.0.60.0040.00416.85
8.0.50.0030.00616.99
8.0.30.0110.01116.94
8.0.20.0090.01017.27
8.0.10.0000.00816.96
8.0.00.0110.00616.88
7.4.330.0050.00013.25
7.4.320.0070.00016.63
7.4.300.0080.00016.63
7.4.290.0080.00016.73
7.4.280.0000.00716.73
7.4.270.0000.00816.57
7.4.260.0030.00313.44
7.4.250.0040.00416.75
7.4.240.0000.00816.64
7.4.230.0030.00716.69
7.4.220.0130.00616.79
7.4.210.0110.00716.80
7.4.200.0040.00416.87
7.4.190.0070.00016.63
7.4.160.0150.00316.55
7.4.150.0110.00816.60
7.4.140.0030.01516.63
7.4.130.0070.01516.58
7.4.120.0120.00616.63
7.4.110.0060.01416.55
7.4.100.0110.00716.65
7.4.90.0090.00916.61
7.4.80.0160.00619.39
7.4.70.0190.00416.66
7.4.60.0070.01016.57
7.4.50.0000.00516.75
7.4.40.0120.00316.63
7.4.30.0070.01316.69
7.4.00.0040.01115.21
7.3.330.0080.00013.34
7.3.320.0030.00313.36
7.3.310.0070.00016.42
7.3.300.0040.00416.25
7.3.290.0040.01016.41
7.3.280.0060.00816.38
7.3.270.0060.01116.59
7.3.260.0030.01516.75
7.3.250.0170.00516.46
7.3.240.0120.00416.79
7.3.230.0110.00716.64
7.3.210.0170.00016.48
7.3.200.0030.01316.39
7.3.190.0080.00816.60
7.3.180.0110.00816.41
7.3.170.0030.01316.66
7.3.160.0100.00716.55
7.3.120.0050.00915.10
7.3.110.0070.01014.73
7.3.100.0090.00715.00
7.3.90.0030.01215.03
7.3.80.0090.00414.85
7.3.70.0040.01214.91
7.3.60.0110.00414.89
7.3.50.0070.00414.73
7.3.40.0050.00914.97
7.3.30.0060.00614.97
7.3.20.0080.00616.64
7.3.10.0050.00616.76
7.3.00.0090.00916.77
7.2.330.0120.00616.77
7.2.320.0120.00616.69
7.2.310.0080.01516.77
7.2.300.0130.00416.83
7.2.290.0140.00316.64
7.2.250.0030.01715.30
7.2.240.0150.00215.03
7.2.230.0050.00815.10
7.2.220.0030.00815.31
7.2.210.0030.01115.08
7.2.200.0090.00615.07
7.2.190.0040.01115.05
7.2.180.0060.00815.01
7.2.170.0070.00915.00
7.2.160.0090.00615.14
7.2.150.0120.00317.16
7.2.140.0040.01116.95
7.2.130.0070.00716.78
7.2.120.0060.00316.77
7.2.110.0070.00717.18
7.2.100.0140.00316.75
7.2.90.0060.00816.86
7.2.80.0070.00716.75
7.2.70.0030.00616.82
7.2.60.0060.00317.00
7.2.50.0000.01317.03
7.2.40.0040.00817.04
7.2.30.0100.00016.88
7.2.20.0070.00317.02
7.2.10.0070.01017.04
7.2.00.0050.00818.38
7.1.330.0100.00815.80
7.1.320.0080.00315.82
7.1.310.0070.00815.96
7.1.300.0020.01115.92
7.1.290.0050.01115.82
7.1.280.0060.00715.78
7.1.270.0060.00815.78
7.1.260.0070.00415.88
7.1.250.0040.00815.99
7.1.100.0240.00717.89
7.1.70.0070.00717.48
7.1.60.0030.02019.30
7.1.50.0100.01017.01
7.1.00.0030.07322.53
7.0.200.0040.00416.88
7.0.140.0030.07721.96
7.0.120.0030.07322.15
7.0.60.0100.06720.06
7.0.50.0100.03317.97
7.0.40.0100.04020.08
7.0.30.0330.07720.12
7.0.20.0270.04720.27
7.0.10.0070.07020.14
7.0.00.0000.06320.11
5.6.280.0070.07020.81
5.6.210.0100.03720.57
5.6.200.0070.07718.19
5.6.190.0070.04320.51
5.6.180.0270.05020.39
5.6.170.0270.05020.44
5.6.160.0030.04320.55
5.6.150.0070.08018.29
5.6.140.0130.07718.16
5.6.130.0030.08318.23
5.6.120.0030.08720.89
5.6.110.0030.05021.05
5.6.100.0000.09020.98
5.6.90.0130.08021.00
5.6.80.0070.05720.39
5.6.70.4200.04020.38
5.5.350.0300.05720.34
5.5.340.0030.05718.09
5.5.330.0030.04020.31
5.5.320.0300.07320.51
5.5.310.0130.04720.36
5.5.300.0130.07317.97
5.5.290.0100.04317.98
5.5.280.0100.04720.89
5.5.270.0100.07320.88
5.5.260.0070.08320.77
5.5.250.0100.06320.59
5.5.240.0370.07320.29
5.4.450.0030.05019.52
5.4.440.0000.04719.53
5.4.430.0070.06019.32
5.4.420.0130.07019.32
5.4.410.0100.03719.31
5.4.400.0000.05019.00
5.4.390.0030.04019.08
5.4.380.0070.04018.85
5.4.370.0000.04718.86
5.4.360.0030.08318.86
5.4.350.0070.05019.21
5.4.340.0030.08019.14
5.4.320.0100.07318.98
5.4.310.0170.07019.25
5.4.300.0100.04719.23
5.4.290.0070.06318.86
5.4.280.0100.07019.25
5.4.270.0070.07318.87
5.4.260.0030.06019.07
5.4.250.0070.06019.00
5.4.240.0170.05319.00
5.4.230.0100.07319.24
5.4.220.0130.07319.23
5.4.210.0030.07019.14
5.4.200.0130.04018.91
5.4.190.0030.04319.23
5.4.180.0030.04719.08
5.4.170.0130.03719.13
5.4.160.0070.05319.22
5.4.150.0070.04019.14
5.4.140.0030.03716.43
5.4.130.0100.03016.43
5.4.120.0030.05316.54
5.4.110.0100.03016.43
5.4.100.0170.06316.44
5.4.90.0100.07016.49
5.4.80.0030.04316.34
5.4.70.0000.05316.46
5.4.60.0130.03716.64
5.4.50.0030.03716.40
5.4.40.0100.06316.46
5.4.30.0070.07016.34
5.4.20.0000.04016.64
5.4.10.0070.05716.34
5.4.00.0030.07015.95
5.3.290.0070.07314.55
5.3.280.0130.06314.60
5.3.270.0170.06714.66
5.3.260.0030.04314.62
5.3.250.0070.04014.52
5.3.240.0070.03314.63
5.3.230.0030.06014.64
5.3.220.0000.04014.48
5.3.210.0000.04014.63
5.3.200.0070.06314.63
5.3.190.0030.06314.57
5.3.180.0030.06014.57
5.3.170.0030.03714.58
5.3.160.0000.04014.59
5.3.150.0030.03714.56
5.3.140.0030.07714.56
5.3.130.0070.06714.57
5.3.120.0070.04314.70
5.3.110.0030.06314.57
5.3.100.0030.05014.07
5.3.90.0100.05313.94
5.3.80.0000.04014.07
5.3.70.0070.05014.02
5.3.60.0000.04014.08
5.3.50.0030.06713.98
5.3.40.0000.05013.92
5.3.30.0130.05313.96
5.3.20.0070.07013.66
5.3.10.0000.05013.82
5.3.00.0000.04013.80
5.2.170.0000.06711.20
5.2.160.0030.05311.14
5.2.150.0070.03311.11
5.2.140.0070.05311.14
5.2.130.0170.04711.16
5.2.120.0030.03011.02
5.2.110.0070.03011.17
5.2.100.0070.05011.07
5.2.90.0070.03311.07
5.2.80.0030.04011.05
5.2.70.0100.04711.14
5.2.60.0070.04710.94
5.2.50.0030.06311.16
5.2.40.0100.05710.89
5.2.30.0030.04011.03
5.2.20.0000.04310.97
5.2.10.0100.05010.90
5.2.00.0100.04710.72
5.1.60.0130.04310.06
5.1.50.0070.0339.90
5.1.40.0070.0539.93
5.1.30.0070.03010.50
5.1.20.0070.03010.49
5.1.10.0100.03710.21
5.1.00.0070.03010.09
5.0.50.0000.0438.53
5.0.40.0030.0238.37
5.0.30.0070.0608.18
5.0.20.0030.0438.17
5.0.10.0100.0408.32
5.0.00.0100.0308.23
4.4.90.0000.0337.45
4.4.80.0070.0237.46
4.4.70.0070.0277.49
4.4.60.0000.0337.49
4.4.50.0000.0337.50
4.4.40.0000.0407.50
4.4.30.0000.0377.50
4.4.20.0000.0407.53
4.4.10.0000.0207.54
4.4.00.0030.0277.55
4.3.110.0030.0377.55
4.3.100.0030.0377.56
4.3.90.0100.0237.57
4.3.80.0030.0237.59
4.3.70.0000.0337.59
4.3.60.0000.0177.59
4.3.50.0000.0307.59
4.3.40.0000.0477.60
4.3.30.0000.0307.61
4.3.20.0000.0337.62
4.3.10.0000.0207.62
4.3.00.0030.0377.62

preferences:
50.48 ms | 401 KiB | 5 Q