3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr_postcode_regexes = array( 'uk' => array( // Should match any *valid* UK postcode array('[A-Z]', '[A-Z]?', '[0-9]', '[0-9A-Z]?'), ), 'offshore' => array( // All postcode areas that DPD define as "offshore" array('A', 'B', '3', '[0-8]'), // AB30-38 array('A', 'B', '4', '[1-9]'), // AB41-49 array('A', 'B', '5', '[0-6]'), // AB50-56 array('F', 'K', '1', '[789]'), // FK17-19 array('F', 'K', '2', '[01]'), // FK20-21 array('G', '8', '3'), // G83 array('G', 'Y', '9'), // GY9 array('H', 'S', '[1-9]'), // HS1-9 array('I', 'M', '[0-9]', '[0-9A-Z]?'), // IM array('I', 'M', '[0-9]', '[0-9A-Z]?'), // IV array('K', 'A', '2', '[89]'), // KA27-28 array('K', 'W', '[0-9]', '[0-9]?'), // KW0-99 array('P', 'A', '[2-9]', '[0-9]'), // PA20-99 array('P', 'H', '1', '[5-9]'), // PH15-19 array('P', 'H', '[2-9]', '[0-9]'), // PH20-99 array('T', 'R', '2', '[1-5]'), // TR21-25 array('Z', 'E', '[0-9]', '[0-9A-Z]?'), // ZE ), 'ni' => array( // Northern Ireland array('B', 'T', '[0-9]', '[0-9A-Z]?'), // ZE ), ); // Turn the readable-ish map above into actual regexes // It's important that all regexes match only full, valid postcodes, as prefix matching can be ambiguous. // Pack everything out with \s* because people are idiots and put whitespace in weird places. foreach ($arr_postcode_regexes as $str_id => $arr_parts) { $arr_temp = array(); foreach ($arr_parts as $arr_part) { $arr_temp[] = implode('\s*', $arr_part) . '\s*[0-9]\s*[A-Z]\s*[A-Z]'; } $arr_postcode_regexes[$str_id] = '^\s*(' . implode('|', $arr_temp) . ')\s*$'; } var_dump($arr_postcode_regexes); var_dump(substr('^\s*(A\s*B\s*3\s*[0-8]\s*[0-9]\s*[A-Z]\s*[A-Z]|A\s*B\s*4\s*[1-9]\s*[0-9]\s*[A-Z]\s*[A-Z]|A\s*B\s*5\s*[0-6]\s*[0-9]\s*[A-Z]\s*[A-Z]|F\s*K\s*1\s*[789]\s*[0-9]\s*[A-Z]\s*[A-Z]|F\s*K\s*2\s*[01]\s*[0-9]\s*[A-Z]\s*[A-Z]|G\s*8\s*3\s*[0-9]\s*[A-Z]\s*[A-Z]|G\s*Y\s*9\s*[0-9]\s*[A-Z]\s*[A-Z]|H\s*S\s*[1-9]\s*[0-9]\s*[A-Z]\s*[A-Z]|I\s*M\s*[0-9]\s*[0-9A-Z]?\s*[0-9]\s*[A-Z]\s*[A-Z]|I\s*M\s*[0-9]\s*[0-9A-Z]?\s*[0-9]\s*[A-Z]\s*[A-Z]|K\s*A\s*2\s*[89]\s*[0-9]\s*[A-Z]\s*[A-Z]|K\s*W\s*[0-9]\s*[0-9]?\s*[0-9]\s*[A-Z]\s*[A-Z]|P\s*A\s*[2-9]\s*[0-9]\s*[0-9]\s*[A-Z]\s*[A-Z]|P\s*H\s*1\s*[5-9]\s*[0-9]\s*[A-Z]\s*[A-Z]|P\s*H\s*[2-9]\s*[0-9]\s*[0-9]\s*[A-Z]\s*[A-Z]|T\s*R\s*2\s*[1-5]\s*[0-9]\s*[A-Z]\s*[A-Z]|Z\s*E\s*[0-9]\s*[0-9A-Z]?\s*[0-9]\s*[A-Z]\s*[A-Z])\s*$'), 0, 128);

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)
8.3.60.0180.00016.63
8.3.50.0070.01522.96
8.3.40.0140.00018.96
8.3.30.0140.00419.09
8.3.20.0000.00820.16
8.3.10.0080.00023.66
8.3.00.0050.00319.50
8.2.180.0090.00616.63
8.2.170.0110.00322.96
8.2.160.0070.00720.39
8.2.150.0000.00824.18
8.2.140.0060.00324.66
8.2.130.0000.00726.16
8.2.120.0040.00420.93
8.2.110.0090.00022.20
8.2.100.0090.00317.75
8.2.90.0040.00419.34
8.2.80.0050.00317.97
8.2.70.0090.00017.75
8.2.60.0050.00318.16
8.2.50.0000.00818.07
8.2.40.0040.00418.16
8.2.30.0050.00218.16
8.2.20.0040.00417.85
8.2.10.0000.00918.13
8.2.00.0080.00017.90
8.1.280.0100.00725.92
8.1.270.0030.00623.88
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0080.00023.96
8.1.230.0000.01219.13
8.1.220.0080.00017.80
8.1.210.0000.00818.77
8.1.200.0060.00317.36
8.1.190.0050.00317.35
8.1.180.0050.00319.13
8.1.170.0130.00018.49
8.1.160.0040.00422.00
8.1.150.0060.00318.91
8.1.140.0070.00017.52
8.1.130.0000.00717.94
8.1.120.0000.00717.43
8.1.110.0070.00017.38
8.1.100.0040.00417.52
8.1.90.0040.00417.51
8.1.80.0030.00317.37
8.1.70.0000.00717.46
8.1.60.0120.00017.62
8.1.50.0030.00517.51
8.1.40.0040.00417.55
8.1.30.0090.00017.57
8.1.20.0070.00017.59
8.1.10.0040.00417.58
8.1.00.0030.00617.39
8.0.300.0000.00718.77
8.0.290.0000.00916.88
8.0.280.0040.00418.39
8.0.270.0050.00317.30
8.0.260.0000.00617.21
8.0.250.0030.00317.05
8.0.240.0070.00017.04
8.0.230.0000.00917.04
8.0.220.0030.00316.88
8.0.210.0000.00716.88
8.0.200.0030.00317.08
8.0.190.0070.00016.96
8.0.180.0000.00717.03
8.0.170.0030.00516.91
8.0.160.0040.00417.00
8.0.150.0000.00716.82
8.0.140.0050.00516.91
8.0.130.0040.00413.41
8.0.120.0040.00416.95
8.0.110.0060.00316.85
8.0.100.0040.00416.92
8.0.90.0080.00016.96
8.0.80.0070.01516.94
8.0.70.0030.00517.03
8.0.60.0070.00016.97
8.0.50.0040.00417.02
8.0.30.0120.01117.02
8.0.20.0130.00517.40
8.0.10.0040.00416.91
8.0.00.0130.00816.83
7.4.330.0030.00315.00
7.4.320.0000.00616.55
7.4.300.0030.00316.65
7.4.290.0000.00916.54
7.4.280.0050.00316.52
7.4.270.0030.00316.45
7.4.260.0000.00716.51
7.4.250.0080.00016.50
7.4.240.0050.00216.49
7.4.230.0040.00416.46
7.4.220.0190.00016.54
7.4.210.0060.00916.62
7.4.200.0000.00716.66
7.4.160.0040.01216.61
7.4.150.0080.01217.40
7.4.140.0090.01217.86
7.4.130.0070.01216.60
7.4.120.0080.00916.73
7.4.110.0030.01416.51
7.4.100.0100.01316.45
7.4.90.0040.01216.75
7.4.80.0040.01519.39
7.4.70.0120.00916.42
7.4.60.0130.00316.47
7.4.50.0000.00916.57
7.4.40.0140.00416.50
7.4.30.0030.02016.63
7.4.10.0030.00915.17
7.4.00.0070.00714.98
7.3.330.0000.00613.32
7.3.320.0020.00213.38
7.3.310.0050.00216.49
7.3.300.0040.00416.43
7.3.290.0060.00916.43
7.3.280.0080.00816.45
7.3.270.0040.01817.40
7.3.260.0230.00016.53
7.3.250.0100.00716.34
7.3.240.0090.00916.46
7.3.230.0330.02716.62
7.3.210.0140.00416.46
7.3.200.0150.00619.39
7.3.190.0060.01216.43
7.3.180.0060.01016.54
7.3.170.0120.00416.66
7.3.160.0150.00316.50
7.3.130.0060.01214.89
7.3.120.0090.00914.92
7.3.110.0000.01614.77
7.3.100.0060.00914.69
7.3.90.0090.00614.99
7.3.80.0100.00314.78
7.3.70.0110.00314.75
7.3.60.0090.00014.79
7.3.50.0000.01414.79
7.3.40.0030.00615.01
7.3.30.0030.01014.95
7.3.20.0030.00716.67
7.3.10.0060.00716.68
7.3.00.0100.00616.63
7.2.330.0120.01216.40
7.2.320.0130.01016.55
7.2.310.0100.00716.75
7.2.300.0070.01016.68
7.2.290.0130.01016.32
7.2.260.0070.01315.00
7.2.250.0070.01114.80
7.2.240.0040.01114.97
7.2.230.0000.01014.83
7.2.220.0110.00815.18
7.2.210.0030.01014.96
7.2.200.0070.00715.20
7.2.190.0110.00015.00
7.2.180.0060.00914.85
7.2.170.0070.00714.73
7.2.160.0120.00614.97
7.2.150.0090.00616.93
7.2.140.0100.00316.96
7.2.130.0060.00716.73
7.2.120.0070.00916.76
7.2.110.0020.00916.89
7.2.100.0060.00716.81
7.2.90.0050.00916.79
7.2.80.0060.00816.81
7.2.70.0050.01016.79
7.2.60.0080.00816.79
7.2.50.0050.01016.59
7.2.40.0070.00916.85
7.2.30.0050.00916.78
7.2.20.0080.00816.72
7.2.10.0080.00816.79
7.2.00.0100.00517.58
7.1.330.0070.00715.54
7.1.320.0070.00715.53
7.1.310.0060.00916.15
7.1.300.0060.00315.64
7.1.290.0060.00915.95
7.1.280.0060.00315.72
7.1.270.0060.01015.54
7.1.260.0070.00715.86
7.1.250.0030.01015.82
7.1.240.0080.00315.61
7.1.230.0130.00015.93
7.1.220.0070.00315.91
7.1.210.0000.00915.83
7.1.200.0080.00315.84
7.1.190.0100.00315.89
7.1.180.0100.00315.90
7.1.170.0090.00316.05
7.1.160.0140.00315.91
7.1.150.0160.00315.84
7.1.140.0060.01015.73
7.1.130.0100.00015.98
7.1.120.0090.00015.82
7.1.110.0000.00915.93
7.1.100.0030.00517.05
7.1.90.0040.00415.99
7.1.80.0000.01015.96
7.1.70.0070.00516.47
7.1.60.0100.01017.56
7.1.50.0070.01016.42
7.1.40.0000.01215.90
7.1.30.0060.00615.82
7.1.20.0000.00915.80
7.1.10.0070.00715.82
7.1.00.0030.04318.97
7.0.330.0040.01115.37
7.0.320.0120.00315.40
7.0.310.0110.00415.35
7.0.300.0060.00615.21
7.0.290.0070.00715.25
7.0.280.0040.00415.30
7.0.270.0070.00315.51
7.0.260.0040.00715.38
7.0.250.0040.01115.54
7.0.240.0090.00615.60
7.0.230.0100.00715.56
7.0.220.0060.00615.25
7.0.210.0030.00915.26
7.0.200.0060.00616.05
7.0.190.0040.01115.51
7.0.180.0080.00415.35
7.0.170.0030.00715.34
7.0.160.0030.01015.55
7.0.150.0070.00415.45
7.0.140.0050.03818.75
7.0.130.0060.00615.61
7.0.120.0070.00715.57
7.0.110.0060.00915.61
7.0.100.0040.00815.11
7.0.90.0000.01215.58
7.0.80.0000.00915.48
7.0.70.0100.00015.25
7.0.60.0080.03717.63
7.0.50.0060.03016.71
7.0.40.0120.04516.64
7.0.30.0200.02816.77
7.0.20.0220.03816.80
7.0.10.0080.03116.90
7.0.00.0080.04316.83
5.6.400.0040.00714.43
5.6.390.0040.00414.29
5.6.380.0110.00414.46
5.6.370.0080.00614.33
5.6.360.0070.00314.46
5.6.350.0120.00614.60
5.6.340.0030.00914.64
5.6.330.0110.00414.70
5.6.320.0080.00014.36
5.6.310.0040.00714.59
5.6.300.0080.00414.35
5.6.290.0110.00414.23
5.6.280.0030.04017.87
5.6.270.0000.01514.71
5.6.260.0080.00414.34
5.6.250.0040.01114.52
5.6.240.0070.00414.38
5.6.230.0030.01014.48
5.6.220.0060.00614.22
5.6.210.0080.04117.59
5.6.200.0070.04516.25
5.6.190.0050.04917.48
5.6.180.2170.03117.43
5.6.170.0110.02517.33
5.6.160.0100.04317.48
5.6.150.0030.03016.43
5.6.140.0060.04416.38
5.6.130.0030.02316.23
5.6.120.0000.03117.78
5.6.110.0000.04717.82
5.6.100.0030.03517.57
5.6.90.0050.02317.77
5.6.80.0080.03517.39
5.6.70.2230.02417.54
5.6.60.0040.00714.36
5.6.50.0030.00714.14
5.6.40.0000.01414.11
5.6.30.0120.00314.37
5.6.20.0030.00914.25
5.6.10.0080.00614.28
5.6.00.0120.00314.16
5.5.380.0000.01214.64
5.5.370.0090.00314.34
5.5.360.0000.01214.12
5.5.350.0070.03317.35
5.5.340.0070.02216.38
5.5.330.0070.04517.45
5.5.320.1640.02017.41
5.5.310.0230.02317.38
5.5.300.0020.02416.23
5.5.290.0030.02516.15
5.5.280.0060.03117.48
5.5.270.0130.04117.36
5.5.260.0030.02617.56
5.5.250.0070.04517.49
5.5.240.0130.02617.23
5.5.230.0080.00814.25
5.5.220.0040.01114.46
5.5.210.0060.00914.54
5.5.200.0030.01214.34
5.5.190.0060.00614.09
5.5.180.0080.00614.15
5.5.170.0030.00914.07
5.5.160.0040.00714.25
5.5.150.0100.00314.43
5.5.140.0030.01014.17
5.5.130.0090.00614.53
5.5.120.0070.00714.17
5.5.110.0030.00814.49
5.5.100.0120.00014.02
5.5.90.0120.00614.32
5.5.80.0030.01014.20
5.5.70.0000.01314.52
5.5.60.0000.01214.20
5.5.50.0050.00514.34
5.5.40.0030.01014.36
5.5.30.0040.01114.39
5.5.20.0040.01414.48
5.5.10.0060.00914.60
5.5.00.0030.01314.37
5.4.450.0260.01914.91
5.4.440.0230.02515.28
5.4.430.0260.02315.30
5.4.420.0320.02015.43
5.4.410.0180.02315.32
5.4.400.0080.02315.14
5.4.390.0300.02814.96
5.4.380.0260.03314.82
5.4.370.0500.02614.91
5.4.360.0500.03114.91
5.4.350.0550.03214.89
5.4.340.0480.03214.87
5.4.330.0030.00611.24
5.4.320.0050.02111.85
5.4.310.0060.02511.85
5.4.300.0020.02611.75
5.4.290.0060.02211.77
5.4.280.0060.02811.71
5.4.270.0040.02411.74
5.4.260.0080.01811.63
5.4.250.0050.02511.79
5.4.240.0040.02211.68
5.4.230.0050.02411.65
5.4.220.0070.01911.82
5.4.210.0060.02011.55
5.4.200.0030.02611.57
5.4.190.0060.02311.73
5.4.180.0050.02311.72
5.4.170.0070.01911.63
5.4.160.0050.02011.68
5.4.150.0040.02211.79
5.4.140.0070.02111.58
5.4.130.0040.02211.48
5.4.120.0070.02211.40
5.4.110.0100.01911.46
5.4.100.0020.02611.53
5.4.90.0070.02011.63
5.4.80.0040.02211.56
5.4.70.0060.02011.44
5.4.60.0100.01511.56
5.4.50.0060.02211.48
5.4.40.0070.01811.58
5.4.30.0060.02211.59
5.4.20.0050.02411.37
5.4.10.0070.02111.58
5.4.00.0050.02211.24
5.3.290.0080.03812.80
5.3.280.0080.03512.71
5.3.270.0090.03612.72
5.3.260.0050.03912.71
5.3.250.0050.03712.72
5.3.240.0070.03512.72
5.3.230.0070.03612.71
5.3.220.0070.03512.68
5.3.210.0060.03812.68
5.3.200.0070.03412.68
5.3.190.0090.03412.68
5.3.180.0050.03712.67
5.3.170.0070.03512.66
5.3.160.0050.03712.68
5.3.150.0110.04012.68
5.3.140.0050.03812.66
5.3.130.0070.03712.66
5.3.120.0080.03712.66
5.3.110.0060.03912.66
5.3.100.0080.03512.12
5.3.90.0050.03712.10
5.3.80.0040.03812.09
5.3.70.0050.03612.09
5.3.60.0060.03612.07
5.3.50.0070.03612.02
5.3.40.0080.03612.02
5.3.30.0030.03711.98
5.3.20.0080.03311.76
5.3.10.0070.04511.73
5.3.00.0080.03411.71
5.2.170.0020.0339.22
5.2.160.0100.0379.22
5.2.150.0110.0369.22
5.2.140.0070.0379.21
5.2.130.0070.0329.18
5.2.120.0050.0309.17
5.2.110.0020.0359.19
5.2.100.0060.0289.18
5.2.90.0080.0279.18
5.2.80.0050.0319.17
5.2.70.0040.0359.18
5.2.60.0080.0289.13
5.2.50.0040.0319.09
5.2.40.0040.0299.07
5.2.30.0040.0309.04
5.2.20.0050.0289.04
5.2.10.0080.0248.96
5.2.00.0040.0298.82
5.1.60.0070.0218.11
5.1.50.0060.0228.10
5.1.40.0060.0228.09
5.1.30.0030.0278.44
5.1.20.0030.0278.46
5.1.10.0050.0248.18
5.1.00.0060.0238.18
5.0.50.0040.0206.66
5.0.40.0020.0206.52
5.0.30.0040.0316.33
5.0.20.0050.0186.30
5.0.10.0030.0206.28
5.0.00.0050.0326.27
4.4.90.0040.0194.78
4.4.80.0050.0154.76
4.4.70.0040.0144.76
4.4.60.0040.0184.76
4.4.50.0030.0204.77
4.4.40.0020.0264.71
4.4.30.0040.0144.76
4.4.20.0030.0204.84
4.4.10.0030.0234.85
4.4.00.0040.0314.76
4.3.110.0030.0204.67
4.3.100.0030.0144.67
4.3.90.0020.0174.63
4.3.80.0060.0244.58
4.3.70.0060.0114.63
4.3.60.0050.0134.63
4.3.50.0050.0134.63
4.3.40.0060.0264.54
4.3.30.0010.0163.34
4.3.20.0010.0193.31
4.3.10.0000.0183.26
4.3.00.0000.01315.97

preferences:
51.42 ms | 401 KiB | 5 Q