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<?php function foo() { return 'foo.txt'; } var_dump( is_writable( foo() ) );
Output for git.master, git.master_jit, rfc.property-hooks
Warning: is_writable(): open_basedir restriction in effect. File(foo.txt) is not within the allowed path(s): (/tmp:/in:/etc) in /in/rkaMp on line 5 bool(false)

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