3v4l.org

run code in 300+ PHP versions simultaneously
<?php $email = "ceo@example.com"; $domain = explode("@",$email); $valid = checkdnsrr($domain[1], "ANY"); if($valid) echo "The domain has an MX record!"; else echo "Cannot locate MX record for $domain[1]!"; ?>

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)
8.3.60.0100.00717.00
8.3.50.0110.00722.18
8.3.40.0090.00619.02
8.3.30.0110.00419.43
8.3.20.0050.00320.54
8.3.10.0080.00022.10
8.3.00.0080.00019.51
8.2.180.0110.00718.31
8.2.170.0070.00722.96
8.2.160.0100.00320.60
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0040.00419.73
8.2.110.0030.00621.29
8.2.100.0120.00017.88
8.2.90.0030.00519.48
8.2.80.0030.00517.97
8.2.70.0000.01017.73
8.2.60.0000.00820.14
8.2.50.0000.00818.07
8.2.40.0080.00018.28
8.2.30.0060.00318.20
8.2.20.0000.00817.93
8.2.10.0040.00418.32
8.2.00.0000.00717.88
8.1.280.0100.01025.92
8.1.270.0040.00422.26
8.1.260.0030.00526.35
8.1.250.0040.00428.09
8.1.240.0030.00622.31
8.1.230.0110.00017.91
8.1.220.0040.00417.93
8.1.210.0040.00418.77
8.1.200.0000.00917.48
8.1.190.0040.00417.35
8.1.180.0030.00518.10
8.1.170.0050.00320.55
8.1.160.0000.00822.11
8.1.150.0000.00718.91
8.1.140.0040.00417.59
8.1.130.0000.00717.95
8.1.120.0000.00717.50
8.1.110.0070.00017.40
8.1.100.0030.00517.44
8.1.90.0040.00417.50
8.1.80.0000.00717.44
8.1.70.0030.00317.39
8.1.60.0050.00317.61
8.1.50.0080.00017.54
8.1.40.0000.01117.63
8.1.30.0030.00617.70
8.1.20.0040.00417.59
8.1.10.0000.00817.65
8.1.00.0070.00317.58
8.0.300.0040.00418.77
8.0.290.0050.00216.88
8.0.280.0000.00718.46
8.0.270.0070.00017.47
8.0.260.0060.00017.40
8.0.250.0030.00316.98
8.0.240.0050.00217.05
8.0.230.0000.00716.99
8.0.220.0030.00317.04
8.0.210.0040.00416.94
8.0.200.0070.00016.97
8.0.190.0000.00916.95
8.0.180.0000.00716.96
8.0.170.0050.00316.95
8.0.160.0000.00816.86
8.0.150.0080.00017.02
8.0.140.0040.00416.85
8.0.130.0070.00013.41
8.0.120.0090.00016.93
8.0.110.0040.00416.96
8.0.100.0040.00416.91
8.0.90.0000.00717.03
8.0.80.0070.01716.91
8.0.70.0070.00017.04
8.0.60.0000.00716.88
8.0.50.0040.00416.93
8.0.30.0070.01516.98
8.0.20.0070.01217.40
8.0.10.0050.00217.07
8.0.00.0060.01616.87
7.4.330.0050.00215.03
7.4.320.0000.00616.65
7.4.300.0030.00316.43
7.4.290.0050.00516.66
7.4.280.0040.00416.63
7.4.270.0000.00716.57
7.4.260.0070.00016.62
7.4.250.0000.00716.48
7.4.240.0030.00516.58
7.4.230.0030.00316.30
7.4.220.0140.00716.58
7.4.210.0140.00216.68
7.4.200.0050.00316.61
7.4.160.0130.00716.76
7.4.150.0040.01317.40
7.4.140.0050.01317.86
7.4.130.0090.01116.61
7.4.120.0110.00916.63
7.4.110.0100.00716.45
7.4.100.0110.00716.73
7.4.90.0040.01516.58
7.4.80.0090.01219.39
7.4.70.0130.00716.69
7.4.60.0080.00816.59
7.4.50.0040.00416.57
7.4.40.0110.00516.52
7.4.30.0090.00916.61
7.4.00.0090.00914.99
7.3.330.0050.00013.36
7.3.320.0160.00013.27
7.3.310.0000.00716.48
7.3.300.0000.00716.39
7.3.290.0000.00716.27
7.3.280.0080.00816.29
7.3.270.0100.01317.40
7.3.260.0070.01116.23
7.3.250.0100.00716.61
7.3.240.0040.01516.46
7.3.230.0140.01016.39
7.3.210.0090.00916.31
7.3.200.0060.01019.39
7.3.190.0110.00516.48
7.3.180.0000.02016.48
7.3.170.0110.00616.43
7.3.160.0090.00916.53
7.3.10.0030.01016.68
7.3.00.0100.00316.69
7.2.330.0070.01316.83
7.2.320.0090.00916.44
7.2.310.0120.00916.95
7.2.300.0090.00816.63
7.2.290.0110.00716.52
7.2.130.0040.00816.70
7.2.120.0120.00316.96
7.2.110.0000.01416.89
7.2.100.0070.00417.09
7.2.90.0120.00316.74
7.2.80.0120.00016.98
7.2.70.0030.01017.08
7.2.60.0100.00716.69
7.2.50.0070.00416.56
7.2.40.0090.00617.08
7.2.30.0000.01416.91
7.2.20.0040.00716.98
7.2.10.0000.01616.97
7.2.00.0060.00718.15
7.1.250.0030.00715.84
7.1.100.0080.00418.31
7.1.70.0040.00417.19
7.1.60.0170.00719.50
7.1.50.0100.01017.11
7.1.00.0070.07322.40
7.0.200.0640.00714.52
7.0.140.0100.06322.14
7.0.60.0030.07719.92
7.0.50.0000.04317.96
7.0.40.0100.05020.18
7.0.30.0600.06320.17
7.0.20.0170.05020.41
7.0.10.0070.05720.18
7.0.00.0000.04720.20
5.6.280.0030.07320.97
5.6.210.0030.04320.56
5.6.200.0130.07318.37
5.6.190.0070.08320.49
5.6.180.0530.07020.50
5.6.170.0400.07020.61
5.6.160.0100.06720.63
5.6.150.0130.07318.32
5.6.140.0130.03318.43
5.6.130.0030.05018.28
5.6.120.0170.03321.13
5.6.110.0000.08321.13
5.6.100.0170.06021.03
5.6.90.0030.08321.16
5.6.80.0100.07720.48
5.5.350.0170.08320.35
5.5.340.0070.07317.99
5.5.330.0100.05320.65
5.5.320.0370.06320.38
5.5.310.0330.07320.41
5.5.300.0070.08318.07
5.5.290.0070.04018.02
5.5.280.0100.08020.90
5.5.270.0100.06320.90
5.5.260.0030.06320.91
5.5.250.0070.04020.64
5.5.240.0030.07720.24
5.4.450.0600.05319.64
5.4.440.0970.06019.50
5.4.430.0930.05319.41
5.4.420.0230.06319.46
5.4.410.0270.04319.06
5.4.400.1070.06318.88
5.4.390.1000.06718.87
5.4.380.0170.07018.70
5.4.370.0830.07718.89
5.4.360.0930.06718.55
5.4.350.0670.06018.67
5.4.340.0870.06718.80
5.4.320.0800.06318.54
5.4.310.1100.06018.70
5.4.300.0870.05718.86
5.4.290.1100.06018.92
5.4.280.0830.06318.79
5.4.270.1130.06718.87
5.4.260.0970.05718.82
5.4.250.0870.06718.82
5.4.240.0700.06318.86
5.4.230.1000.05318.58
5.4.220.0670.06018.91
5.4.210.1070.05318.85
5.4.200.0870.05316.88
5.4.190.1100.04718.85
5.4.180.1130.07718.65
5.4.170.1030.06318.82
5.4.160.1170.05018.90
5.4.150.1270.05718.59
5.4.140.1030.08316.52
5.4.130.1430.06716.40
5.4.120.1030.05316.30
5.4.110.1000.07016.29
5.4.100.1170.05316.51
5.4.90.1170.06016.27
5.4.80.1230.06016.35
5.4.70.1070.05016.31
5.4.60.1100.05716.50
5.4.50.1130.05316.47
5.4.40.1000.07716.32
5.4.30.1170.05316.47
5.4.20.1300.05316.46
5.4.10.1130.06316.46
5.4.00.1270.06015.79
5.3.290.0870.08314.81
5.3.280.1070.06714.79
5.3.270.0900.07014.72
5.3.260.1000.07314.84
5.3.250.1130.07714.60
5.3.240.1100.05314.78
5.3.230.0900.08014.60
5.3.220.1030.05314.68
5.3.210.1300.05014.69
5.3.200.0970.06314.74
5.3.190.1070.05014.72
5.3.180.1200.05314.71
5.3.170.1070.05314.68
5.3.160.0930.06714.71
5.3.150.1030.06714.76
5.3.140.0970.06014.61
5.3.130.0930.06714.62
5.3.120.1270.06314.56
5.3.110.1530.05014.56
5.3.100.1500.06714.18
5.3.90.1170.06014.07
5.3.80.1370.07014.06
5.3.70.1270.07014.13
5.3.60.1170.05714.13
5.3.50.1030.08013.98
5.3.40.1070.07713.98
5.3.30.1300.05714.03
5.3.20.1330.06313.83
5.3.10.1230.06313.68
5.3.00.0800.06013.68
5.2.170.0570.05011.18
5.2.160.0770.05311.14
5.2.150.0370.04711.25
5.2.140.0670.06711.18
5.2.130.0870.04711.09
5.2.120.1230.05311.29
5.2.110.1200.03711.16
5.2.100.0830.06711.22
5.2.90.0830.05711.22
5.2.80.1000.06711.15
5.2.70.0800.05311.31
5.2.60.0930.06311.09
5.2.50.0870.05711.12
5.2.40.0600.04711.21
5.2.30.0870.04011.07
5.2.20.0600.04310.95
5.2.10.0870.04710.98
5.2.00.0730.03010.78
5.1.60.0670.04310.04
5.1.50.0600.04710.05
5.1.40.0670.0409.95
5.1.30.0670.05710.47
5.1.20.0670.05310.49
5.1.10.0800.03310.12
5.1.00.0370.04010.18
5.0.50.0470.0278.61
5.0.40.0300.0278.45
5.0.30.0230.0508.26
5.0.20.0300.0408.38
5.0.10.0370.0278.36
5.0.00.0330.0478.20
4.4.90.0370.0335.90
4.4.80.0400.0235.87
4.4.70.0400.0275.94
4.4.60.0230.0305.91
4.4.50.0230.0305.95
4.4.40.0430.0405.93
4.4.30.0330.0305.90
4.4.20.0300.0236.07
4.4.10.0400.0205.98
4.4.00.0370.0335.98
4.3.110.0400.0275.88
4.3.100.0300.0305.81
4.3.90.0430.0205.80
4.3.80.0370.0335.82
4.3.70.0400.0235.92
4.3.60.0130.0235.84
4.3.50.0500.0305.85
4.3.40.0270.0435.78
4.3.30.0230.0304.68
4.3.20.0100.0274.57
4.3.10.0230.0234.53
4.3.00.0170.0206.95

preferences:
53.64 ms | 401 KiB | 5 Q