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<?php $whitespace = "\x20\x09\x0a\x0b\x0C\x0d"; $string = "hi".$whitespace."bob : letter v"; echo $string . "\n"; echo preg_replace('/\s\s+|\\f|\\n|\\r|\\t|\\v/', '', $policy);
Output for git.master, git.master_jit, rfc.property-hooks
hi bob : letter v Warning: Undefined variable $policy in /in/Do870 on line 8 Deprecated: preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /in/Do870 on line 8

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