3v4l.org

run code in 300+ PHP versions simultaneously
<?php function checkEmail($email) { $email = trim($email); if (filter_var($email, FILTER_VALIDATE_EMAIL) === false) { var_dump(__LINE__); return false; } list($username, $domain) = explode("@", $email); if (getmxrr($domain, $mxHost)) { var_dump(__LINE__); return true; } else { var_dump(gethostbyname($domain), gethostbyaddr(gethostbyname($domain))); if (stripos(gethostbyaddr(gethostbyname($domain)), $domain) !== false) { var_dump(__LINE__); return true; } var_dump($domain, checkdnsrr($domain, 'MX')); if (checkdnsrr($domain, 'MX')) { var_dump(__LINE__); return true; } // Is domain valid if (filter_var(gethostbyname($domain), FILTER_VALIDATE_IP)) { if (fsockopen($domain, 25, $errno, $errstr, 5)) { var_dump(__LINE__); return true; } } } var_dump(__LINE__); return false; } var_dump(checkEmail('kaidof@yahoo.com')); getmxrr('yahoo.com', $out); print_r($out); $a = checkdnsrr('yahoo.com', 'ANY'); var_dump($a); var_dump(getmxrr("yahoo.com", $var)); var_dump($var); var_dump(checkdnsrr("yahoo.com"));

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)
8.3.60.0130.01017.07
8.3.50.0160.00018.51
8.3.40.0060.00919.48
8.3.30.0090.00619.48
8.3.20.0000.00822.43
8.3.10.0060.00319.54
8.3.00.0080.00024.13
8.2.180.0130.00317.25
8.2.170.0130.01022.96
8.2.160.0120.00321.48
8.2.150.0080.00024.18
8.2.140.0030.00624.66
8.2.130.0060.00326.16
8.2.120.0040.00420.32
8.2.110.0000.00920.82
8.2.100.0030.00918.38
8.2.90.0040.00421.05
8.2.80.0000.00818.29
8.2.70.0000.00918.18
8.2.60.0000.00918.53
8.2.50.0030.00618.13
8.2.40.0030.00621.41
8.2.30.0030.00519.63
8.2.20.0000.00818.52
8.2.10.0000.00818.57
8.2.00.0030.00518.31
8.1.270.0040.00424.15
8.1.260.0060.00326.35
8.1.250.0070.01328.09
8.1.240.0090.00923.98
8.1.230.0060.00621.27
8.1.220.0060.00318.16
8.1.210.0030.00619.45
8.1.200.0110.00017.85
8.1.190.0060.00617.85
8.1.180.0030.00618.10
8.1.170.0000.00819.06
8.1.160.0050.00322.54
8.1.150.0000.00819.16
8.1.140.0000.00919.87
8.1.130.0000.00818.09
8.1.120.0000.00817.77
8.1.110.0030.00617.65
8.1.100.0090.00017.88
8.1.90.0040.00417.95
8.1.80.0080.00017.88
8.1.70.0000.00817.84
8.1.60.0040.00418.07
8.1.50.0090.00017.98
8.1.40.0000.00818.04
8.1.30.0030.00618.09
8.1.20.0030.00618.05
8.1.10.0060.00318.07
8.1.00.0000.01119.88
8.0.300.0050.00320.40
8.0.290.0100.00017.38
8.0.280.0000.00718.73
8.0.270.0040.00417.49
8.0.260.0030.00617.63
8.0.250.0050.00317.42
8.0.240.0040.00417.42
8.0.230.0000.00817.42
8.0.220.0030.00717.34
8.0.210.0020.00517.30
8.0.200.0030.00317.32
8.0.190.0000.00817.32
8.0.180.0040.00417.36
8.0.170.0000.00817.41
8.0.160.0000.00917.28
8.0.150.0000.00817.34
8.0.140.0000.00817.35
8.0.130.0070.00013.75
8.0.120.0000.00917.37
8.0.110.0030.00717.26
8.0.100.0040.00417.39
8.0.90.0030.00617.38
8.0.80.0100.00717.51
8.0.70.0050.00317.39
8.0.60.0030.00617.43
8.0.50.0060.00317.30
8.0.30.0130.00817.84
8.0.20.0130.00917.57
8.0.10.0030.00617.45
8.0.00.0130.01017.21
7.4.330.0030.00315.60
7.4.320.0050.00217.20
7.4.300.0000.00717.23
7.4.290.0040.00417.11
7.4.280.0000.00817.03
7.4.270.0000.00717.21
7.4.260.0080.00017.20
7.4.250.0060.00317.30
7.4.240.0040.00417.23
7.4.230.0050.00317.00
7.4.220.0130.01517.20
7.4.210.0030.01817.16
7.4.200.0000.00817.35
7.4.160.0040.01417.28
7.4.150.0160.01317.40
7.4.140.0130.01017.86
7.4.130.0160.00817.04
7.4.120.0140.00617.04
7.4.110.0150.00617.15
7.4.100.0140.00717.13
7.4.90.0100.01317.31
7.4.80.0090.00919.39
7.4.70.0100.01017.36
7.4.60.0080.01117.20
7.4.50.0130.00716.85
7.4.40.0060.01316.99
7.4.30.0180.00716.90
7.3.330.0000.00713.84
7.3.320.0030.00313.66
7.3.310.0030.00517.09
7.3.300.0050.00316.97
7.3.290.0090.00916.99
7.3.280.0110.01016.98
7.3.270.0190.00317.40
7.3.260.0130.00816.88
7.3.250.0070.01416.90
7.3.240.0120.00916.91
7.3.230.0120.01616.82
7.3.210.0180.00216.80
7.3.200.0070.01316.97
7.3.190.0080.01517.11
7.3.180.0110.01117.08
7.3.170.0140.00616.93
7.3.160.0160.01017.00
7.2.330.0180.00317.23
7.2.320.0100.01016.82
7.2.310.0100.01017.13
7.2.300.0120.00917.19
7.2.290.0060.01317.23
7.1.00.0070.07722.83

preferences:
57.75 ms | 400 KiB | 5 Q