3v4l.org

run code in 300+ PHP versions simultaneously
<?php /** * Returns list of subdomains * @param string $domain * @return array */ function getAllSubDomain($domain) { //strip '<prefix>:' first $dpos = strpos($domain, ':'); if ($dpos !== false) { $domain = substr($domain, $dpos+1); } else { $domain = $domain; } $domainParts = explode('.', str_replace("'", '', $domain)); $ret = array(); for ($off = sizeof($domainParts) -1; $off >= 0; $off--) { $ret[] = implode('.', array_slice($domainParts, $off)); } return $ret; } $t = getAllSubdomain('test.sub.domain.com'); var_export($t);

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)
8.3.60.0120.00316.50
8.3.50.0040.01116.39
8.3.40.0090.00618.71
8.3.30.0080.00618.41
8.3.20.0040.00420.21
8.3.10.0050.00321.73
8.3.00.0080.00022.07
8.2.180.0040.01116.36
8.2.170.0140.00322.96
8.2.160.0030.01019.04
8.2.150.0050.00224.18
8.2.140.0070.00024.66
8.2.130.0050.00321.12
8.2.120.0040.00426.35
8.2.110.0060.00322.20
8.2.100.0040.00817.84
8.2.90.0000.00819.05
8.2.80.0040.00417.97
8.2.70.0030.00817.50
8.2.60.0080.00018.03
8.2.50.0000.00818.10
8.2.40.0040.00420.40
8.2.30.0040.00421.15
8.2.20.0000.00818.09
8.2.10.0000.00718.21
8.2.00.0040.00418.03
8.1.280.0120.00625.92
8.1.270.0040.00422.21
8.1.260.0020.00526.35
8.1.250.0070.00028.09
8.1.240.0060.00322.75
8.1.230.0040.00817.89
8.1.220.0000.00817.78
8.1.210.0090.00018.77
8.1.200.0030.00617.13
8.1.190.0000.00817.23
8.1.180.0050.00318.10
8.1.170.0050.00318.70
8.1.160.0000.00819.00
8.1.150.0050.00220.54
8.1.140.0080.00019.61
8.1.130.0000.00718.93
8.1.120.0040.00417.48
8.1.110.0080.00017.48
8.1.100.0050.00317.49
8.1.90.0040.00417.44
8.1.80.0000.00717.38
8.1.70.0040.00417.40
8.1.60.0040.00417.62
8.1.50.0080.00017.45
8.1.40.0060.00317.50
8.1.30.0020.00517.67
8.1.20.0000.00717.53
8.1.10.0090.00017.37
8.1.00.0030.00617.35
8.0.300.0040.00418.77
8.0.290.0090.00016.63
8.0.280.0030.00518.46
8.0.270.0030.00317.11
8.0.260.0070.00016.80
8.0.250.0030.00316.88
8.0.240.0030.00316.99
8.0.230.0070.00016.87
8.0.220.0070.00016.85
8.0.210.0000.00716.88
8.0.200.0000.00616.92
8.0.190.0030.00616.96
8.0.180.0040.00416.82
8.0.170.0040.00416.95
8.0.160.0030.00616.89
8.0.150.0040.00416.83
8.0.140.0070.00016.75
8.0.130.0030.00313.36
8.0.120.0070.00016.86
8.0.110.0050.00316.94
8.0.100.0040.00416.79
8.0.90.0040.00416.93
8.0.80.0120.00916.89
8.0.70.0000.00816.80
8.0.60.0000.00716.89
8.0.50.0040.00416.89
8.0.30.0080.00817.03
8.0.20.0080.01017.40
8.0.10.0000.00717.06
8.0.00.0070.01116.98
7.4.330.0050.00015.55
7.4.320.0070.00016.55
7.4.300.0080.00016.53
7.4.290.0000.00816.54
7.4.280.0040.00416.52
7.4.270.0030.00316.54
7.4.260.0000.00716.54
7.4.250.0000.00716.51
7.4.240.0030.00516.59
7.4.230.0000.00716.70
7.4.220.0110.01116.62
7.4.210.0070.01016.66
7.4.200.0080.00016.73
7.4.160.0080.00716.54
7.4.150.0060.01017.40
7.4.140.0100.01017.86
7.4.130.0110.00716.34
7.4.120.0090.00916.53
7.3.330.0000.00513.21
7.3.320.0030.00313.32
7.3.310.0080.00016.32
7.3.300.0000.00716.34
7.3.290.0000.00716.39
7.3.280.0100.00716.36
7.3.270.0080.00817.40
7.3.260.0090.00816.40
7.3.250.0140.00616.40
7.3.240.0100.00816.33

preferences:
37.83 ms | 401 KiB | 5 Q