3v4l.org

run code in 300+ PHP versions simultaneously
<?php function getIPStringForFullDNS($ip, $class) { $limits = array('A' => -3, 'B' => -2, 'C' => -1, 'D' => 0); $limit = $limits[$class]; $ip = implode('.', explode('.', $ip, $limit)); $ip .= str_repeat('.*', abs($limit)); return $ip; } echo getIPStringForFullDNS('158.58.169.254', 'A') . '<br>'; echo getIPStringForFullDNS('158.58.169.254', 'B') . '<br>'; echo getIPStringForFullDNS('158.58.169.254', 'C') . '<br>'; echo getIPStringForFullDNS('158.58.169.254', 'D') . '<br>';

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)
8.3.40.0140.00418.84
8.3.30.0140.00719.07
8.3.20.0080.00620.07
8.3.10.0080.00023.66
8.3.00.0040.00420.63
8.2.170.0150.00022.96
8.2.160.0100.01022.13
8.2.150.0060.00324.18
8.2.140.0160.00324.66
8.2.130.0070.00726.16
8.2.120.0000.00719.77
8.2.110.0030.00619.21
8.2.100.0000.01217.78
8.2.90.0060.00319.34
8.2.80.0060.00317.97
8.2.70.0040.00417.63
8.2.60.0000.00817.93
8.2.50.0060.00318.07
8.2.40.0040.00418.34
8.2.30.0020.00518.12
8.2.20.0000.00717.72
8.2.10.0080.00017.56
8.2.00.0080.00017.60
8.1.270.0000.00823.84
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0180.00320.99
8.1.230.0040.00817.52
8.1.220.0060.00317.77
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0000.01017.23
8.1.180.0080.00018.10
8.1.170.0040.00418.54
8.1.160.0030.00621.86
8.1.150.0060.00318.64
8.1.140.0070.00017.50
8.1.130.0000.00717.73
8.1.120.0000.00717.55
8.1.110.0050.00317.33
8.1.100.0030.00717.43
8.1.90.0000.00717.34
8.1.80.0070.00017.43
8.1.70.0070.00017.42
8.1.60.0030.00617.44
8.1.50.0000.00817.56
8.1.40.0050.00317.43
8.1.30.0040.00417.66
8.1.20.0030.00517.60
8.1.10.0000.00817.46
8.1.00.0050.00217.44
8.0.300.0050.00318.77
8.0.290.0040.00716.63
8.0.280.0000.00718.36
8.0.270.0000.00817.26
8.0.260.0000.00816.83
8.0.250.0000.00716.98
8.0.240.0040.00416.86
8.0.230.0040.00416.95
8.0.220.0070.00016.85
8.0.210.0040.00416.89
8.0.200.0030.00316.93
8.0.190.0030.00616.91
8.0.180.0000.00716.87
8.0.170.0030.00516.95
8.0.160.0040.00416.91
8.0.150.0080.00016.86
8.0.140.0040.00416.88
8.0.130.0000.00613.28
8.0.120.0000.00816.90
8.0.110.0060.00316.93
8.0.100.0070.00016.84
8.0.90.0040.00416.76
8.0.80.0170.00316.80
8.0.70.0000.00816.93
8.0.60.0000.00716.79
8.0.50.0040.00416.70
8.0.30.0120.00617.09
8.0.20.0040.01317.40
8.0.10.0000.00716.74
8.0.00.0140.00316.86
7.4.330.0000.00515.02
7.4.320.0030.00316.58
7.4.300.0030.00316.61
7.4.290.0030.00516.49
7.4.280.0030.00516.44
7.4.270.0040.00316.59
7.4.260.0030.00316.48
7.4.250.0040.00416.46
7.4.240.0030.00416.54
7.4.230.0040.00416.68
7.4.220.0040.01416.67
7.4.210.0050.01016.56
7.4.200.0040.00416.34
7.4.190.0000.00716.69
7.4.160.0100.01016.61
7.4.150.0110.00817.40
7.4.140.0110.00717.86
7.4.130.0030.01316.44
7.4.120.0120.00816.43
7.4.110.0070.01016.62
7.4.100.0070.01016.38
7.4.90.0060.01016.52
7.4.80.0090.00916.41
7.4.70.0110.00516.35
7.4.60.0080.00816.39
7.4.50.0020.00216.39
7.4.40.0040.00822.77
7.4.30.0080.00816.58
7.4.00.0080.00814.87
7.3.330.0060.00013.26
7.3.320.0020.00213.19
7.3.310.0000.00716.14
7.3.300.0040.00416.20
7.3.290.0030.01116.18
7.3.280.0050.01216.21
7.3.270.0060.01017.40
7.3.260.0090.00816.43
7.3.250.0100.00916.24
7.3.240.0130.00316.50
7.3.230.0070.01016.39
7.3.210.0090.00916.47
7.3.200.0110.01119.39
7.3.190.0080.00816.49
7.3.180.0060.01016.45
7.3.170.0080.00816.32
7.3.160.0030.01316.33
7.3.120.0070.00914.80
7.3.110.0030.01614.64
7.3.100.0090.00614.53
7.3.90.0060.00614.50
7.3.80.0130.00015.08
7.3.70.0100.00714.81
7.3.60.0060.00914.69
7.3.50.0040.01214.62
7.3.40.0130.00614.77
7.3.30.0070.00714.84
7.3.20.0070.01016.60
7.3.10.0040.00916.44
7.3.00.0040.00816.62
7.2.330.0110.00616.79
7.2.320.0150.00316.27
7.2.310.0080.00816.82
7.2.300.0060.00916.57
7.2.290.0100.00716.79
7.2.250.0040.01515.26
7.2.240.0170.00315.11
7.2.230.0100.00615.34
7.2.220.0160.00014.81
7.2.210.0040.00815.27
7.2.200.0080.00814.76
7.2.190.0040.01115.04
7.2.180.0130.00315.07
7.2.170.0100.01015.05
7.2.130.0090.00416.87
7.2.120.0060.00816.85
7.2.110.0020.01116.88
7.2.100.0030.00916.65
7.2.90.0030.00916.81
7.2.80.0060.00516.81
7.2.70.0060.00516.87
7.2.60.0100.00916.66
7.2.50.0050.00417.01
7.2.40.0070.00516.74
7.2.30.0050.00816.60
7.2.20.0120.00516.76
7.2.10.0020.00916.84
7.2.00.0060.00817.67
7.1.330.0070.00715.87
7.1.320.0070.00315.81
7.1.310.0040.01115.94
7.1.300.0060.00915.84
7.1.290.0030.01615.65
7.1.280.0030.01015.88
7.1.270.0120.00615.82
7.1.260.0080.00415.89
7.1.250.0050.00815.86
7.1.200.0080.00415.86
7.1.100.0000.01718.27
7.1.70.0000.00917.35
7.1.60.0140.01019.32
7.1.50.0090.01316.89
7.1.00.0030.07722.27
7.0.200.0090.00616.86
7.0.140.0000.07021.95
7.0.60.0000.08719.96
7.0.50.0130.07717.86
7.0.40.0170.06720.05
7.0.30.0370.07020.06
7.0.20.0130.06320.12
7.0.10.0170.05720.23
7.0.00.0130.07320.14
5.6.280.0070.07021.12
5.6.210.0030.07720.66
5.6.200.0070.07318.22
5.6.190.0030.05720.57
5.6.180.3300.04320.58
5.6.170.0400.06320.56
5.6.160.0070.07720.50
5.6.150.0030.04718.28
5.6.140.0070.08718.18
5.6.130.0030.07318.15
5.6.120.0100.03720.95
5.6.110.0100.08321.14
5.6.100.0070.04720.99
5.6.90.0000.04320.98
5.6.80.0100.08320.51
5.6.70.4100.04720.38
5.5.350.0370.07320.39
5.5.340.0070.04017.99
5.5.330.0070.05720.29
5.5.320.0030.04020.19
5.5.310.0230.03720.38
5.5.300.0070.07317.98
5.5.290.0100.03718.08
5.5.280.0030.04020.68
5.5.270.0070.04720.67
5.5.260.0070.09020.89
5.5.250.0100.05720.50
5.5.240.0100.07720.25
5.4.450.0230.07719.52
5.4.440.0330.07019.54
5.4.430.0230.07319.55
5.4.420.0330.07019.49
5.4.410.0300.07319.14
5.4.400.0370.06318.88
5.4.390.0230.06719.11
5.4.380.0230.04718.86
5.4.370.0330.04318.95
5.4.360.0230.06319.20
5.4.350.0330.07318.98
5.4.340.0300.06319.19
5.4.320.0200.05319.09
5.4.310.0370.03719.01
5.4.300.0300.07019.16
5.4.290.0430.05719.14
5.4.280.0300.04319.17
5.4.270.0300.06019.09
5.4.260.0300.06318.88
5.4.250.0330.05019.21
5.4.240.0300.03718.99
5.4.230.0270.05719.08
5.4.220.0370.06718.94
5.4.210.0300.05018.85
5.4.200.0330.06319.21
5.4.190.0300.03019.21
5.4.180.0270.07019.21
5.4.170.0270.04018.93
5.4.160.0500.06318.83
5.4.150.0300.07019.23
5.4.140.0400.05316.52
5.4.130.0370.06316.40
5.4.120.0270.04316.46
5.4.110.0330.06716.58
5.4.100.0370.06016.27
5.4.90.0330.05016.38
5.4.80.0300.07016.43
5.4.70.0330.06316.54
5.4.60.0400.05316.48
5.4.50.0370.06016.51
5.4.40.0370.03016.16
5.4.30.0270.03316.16
5.4.20.0330.04016.16
5.4.10.0300.06716.53
5.4.00.0330.06716.12
5.3.290.0200.05014.75
5.3.280.0200.04014.50
5.3.270.0230.05314.58
5.3.260.0330.06714.51
5.3.250.0270.05314.59
5.3.240.0370.06014.61
5.3.230.0300.07314.58
5.3.220.0230.07314.64
5.3.210.0270.07714.47
5.3.200.0330.06314.57
5.3.190.0370.06314.62
5.3.180.0330.07014.72
5.3.170.0370.06714.48
5.3.160.0300.07014.48
5.3.150.0270.07714.68
5.3.140.0330.05314.48
5.3.130.0300.03714.56
5.3.120.0230.03714.54
5.3.110.0230.05714.63
5.3.100.0230.07714.02
5.3.90.0170.05714.00
5.3.80.0270.07014.02
5.3.70.0230.05713.93
5.3.60.0230.06314.02
5.3.50.0300.04013.97
5.3.40.0270.07014.11
5.3.30.0300.06713.81
5.3.20.0300.06013.69
5.3.10.0300.06313.56
5.3.00.0300.07013.75
5.2.170.0200.03312.23
5.2.160.0200.06312.23
5.2.150.0200.06312.23
5.2.140.0300.05012.23
5.2.130.0300.05312.23
5.2.120.0300.03312.23
5.2.110.0230.04312.23
5.2.100.0200.03312.23
5.2.90.0270.05312.23
5.2.80.0230.06012.23
5.2.70.0230.02712.23
5.2.60.0200.04312.23
5.2.50.0300.04012.23
5.2.40.0230.05312.23
5.2.30.0130.03712.23
5.2.20.0100.03712.23
5.2.10.0200.03312.23
5.2.00.0170.06012.23
5.1.60.0170.03012.23
5.1.50.0200.03012.23
5.1.40.0200.02712.23
5.1.30.0230.05312.23
5.1.20.0230.04312.23
5.1.10.0270.04012.23
5.1.00.0270.04012.23
5.0.50.0130.04312.23
5.0.40.0100.03312.23
5.0.30.0170.05312.23
5.0.20.0100.03312.23
5.0.10.0100.04712.23
5.0.00.0070.04312.23
4.4.90.0070.02012.23
4.4.80.0200.02312.23
4.4.70.0130.02312.23
4.4.60.0070.02712.23
4.4.50.0130.03012.23
4.4.40.0070.03712.23
4.4.30.0100.02012.23
4.4.20.0070.02312.23
4.4.10.0070.02312.23
4.4.00.0130.02312.23
4.3.110.0100.03712.23
4.3.100.0100.03712.23
4.3.90.0100.03312.23
4.3.80.0100.05012.23
4.3.70.0070.03012.23
4.3.60.0100.03712.23
4.3.50.0100.02012.23
4.3.40.0130.04712.23
4.3.30.0030.03012.23
4.3.20.0030.04012.23
4.3.10.0030.04012.23
4.3.00.0000.03312.23

preferences:
40.06 ms | 400 KiB | 5 Q