3v4l.org

run code in 300+ PHP versions simultaneously
<?php $ip = '192.168.0.1'; $octets = explode('.', $ip); foreach($octets as $key => $octet) { $v = 255 - (int)$octet; $v + 255 == 255 ? echo $key . ' valid' : echo $key . ' invalid'; } var_dump($octets);

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)
5.4.340.0070.03412.02
5.4.320.0080.03812.50
5.4.310.0060.04012.50
5.4.300.0070.03612.50
5.4.290.0070.03812.50
5.4.280.0050.03712.39
5.4.270.0040.03912.39
5.4.260.0090.03812.39
5.4.250.0070.03712.39
5.4.240.0070.03612.39
5.4.230.0070.03812.39
5.4.220.0050.04012.38
5.4.210.0100.03112.38
5.4.200.0040.03912.39
5.4.190.0070.03612.38
5.4.180.0060.05012.38
5.4.170.0120.03512.39
5.4.160.0060.03812.39
5.4.150.0060.03912.38
5.4.140.0060.03812.07
5.4.130.0090.03512.05
5.4.120.0030.03812.02
5.4.110.0040.03712.02
5.4.100.0100.03812.02
5.4.90.0060.04612.02
5.4.80.0050.03912.02
5.4.70.0040.03912.01
5.4.60.0060.03512.02
5.4.50.0050.04012.01
5.4.40.0080.03312.00
5.4.30.0100.03512.00
5.4.20.0050.03511.99
5.4.10.0040.04012.00
5.4.00.0040.04011.49
5.3.290.0070.04212.80
5.3.280.0070.04212.71
5.3.270.0110.04212.72
5.3.260.0050.04612.72
5.3.250.0050.03812.72
5.3.240.0070.04212.72
5.3.230.0090.03912.71
5.3.220.0060.04112.68
5.3.210.0090.04212.68
5.3.200.0040.03812.68
5.3.190.0070.04012.67
5.3.180.0060.03812.67
5.3.170.0070.03712.67
5.3.160.0060.03712.67
5.3.150.0040.04012.67
5.3.140.0050.03912.66
5.3.130.0080.03912.66
5.3.120.0070.04612.66
5.3.110.0070.04012.66
5.3.100.0070.03512.12
5.3.90.0060.03712.09
5.3.80.0040.03912.07
5.3.70.0060.03712.07
5.3.60.0070.04012.07
5.3.50.0050.03712.00
5.3.40.0030.04012.00
5.3.30.0100.03311.95
5.3.20.0060.03711.73
5.3.10.0060.03511.70
5.3.00.0040.03811.69
5.2.170.0080.0299.19
5.2.160.0030.0329.19
5.2.150.0040.0329.18
5.2.140.0020.0349.18
5.2.130.0080.0279.14
5.2.120.0070.0279.14
5.2.110.0060.0289.15
5.2.100.0060.0309.15
5.2.90.0040.0319.14
5.2.80.0040.0329.14
5.2.70.0060.0289.14
5.2.60.0050.0299.09
5.2.50.0050.0309.07
5.2.40.0040.0309.04
5.2.30.0060.0299.02
5.2.20.0040.0299.00
5.2.10.0040.0288.93
5.2.00.0060.0298.78
5.1.60.0040.0258.07
5.1.50.0030.0278.06
5.1.40.0080.0218.05
5.1.30.0040.0368.39
5.1.20.0050.0388.42
5.1.10.0040.0278.14
5.1.00.0030.0278.14
5.0.50.0050.0206.62
5.0.40.0080.0166.48
5.0.30.0030.0396.29
5.0.20.0060.0256.27
5.0.10.0040.0236.25
5.0.00.0040.0316.24
4.4.90.0040.0154.78
4.4.80.0030.0184.75
4.4.70.0050.0194.75
4.4.60.0020.0224.75
4.4.50.0020.0174.77
4.4.40.0020.0274.71
4.4.30.0010.0174.76
4.4.20.0030.0184.84
4.4.10.0030.0164.85
4.4.00.0030.0304.76
4.3.110.0030.0164.67
4.3.100.0030.0184.66
4.3.90.0040.0144.64
4.3.80.0010.0264.59
4.3.70.0050.0124.63
4.3.60.0030.0144.63
4.3.50.0050.0134.63
4.3.40.0060.0214.54
4.3.30.0030.0153.29
4.3.20.0020.0173.26
4.3.10.0030.0153.23
4.3.00.0000.01312.27

preferences:
140.68 ms | 1394 KiB | 7 Q