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In which case filter_var returns a 0, aka false when used as a boolean.For the correct behavior, do a zero check.$value = " 0 ";$filtered = filter_var($value, FILTER_VALIDATE_INT);if($filtered
Just check if NULL is among the returned elements and you're done.LMS service defines itself as "Intel(R) Management and Security Application Local Management Service" I have no idea what this program was doing to my computer!I became suspicious when I noticed the process was using 30% of my CPU at all times, and its memory usage kept increasing. I was able to stop this from happening with Administrative Tools in my Control Panel. The other process was listed as "dependent" on LMS.exe, it is called UNS.exe, file size 2,314,240 bytes, located in "C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\UNS\".In other words, names that can * be resolved to MX RRs or address (i.e., A or AAAA) RRs (as discussed * in Section 5) are permitted, as are CNAME RRs whose targets can be * resolved, in turn, to MX or address RRs.Local nicknames or * unqualified names MUST NOT be used.It says FQDNs are permitted, and com, org, or va are (well, may be) valids FQDNs. Some TDLs (although few of them) have MX RRs, the for example "[email protected]" is correct.The description for FILTER_VALIDATE_URL seems incorrect/misleading. "Beware a valid URL may not specify the HTTP protocol" implies a valid URL cannot specify the HTTP protocol.Validates whether the value is a valid e-mail address.In general, this validates e-mail addresses against the syntax in RFC 822, with the exceptions that comments and whitespace folding and dotless domain names are not supported. [email protected][PASS] news:comp.[FAIL] tel: 1-816-555-1212 [PASS] telnet://192.0.2./ [FAIL] urn:oasis:names:specification:docbook:dtd:xml:4.1.2 A word to the wise regarding floats.$t = '312041.25 € instead of 896.70 €';echo filter_var ($t, FILTER_SANITIZE_NUMBER_FLOAT, FILTER_FLAG_ALLOW_FRACTION);will return312041.25896.70which is likely not what you were expecting.Several other files are located in this directory, they are: "DTMessage Lib.dll, g SOAP_license.txt, Intel AMTUNS.config, Open SSL_LICENSE.txt, readme.txt, Status Strings.dll, xerces_LICENSE.txt, and xerces-c_2_7.dll".defines itself as "Intel(R) Management & Security Application User Notification Service" All of the text files APPEAR official, and contain disclaimers against potential damage to your computer.