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<?php function test_posix_isatty() { assert('function_exists("posix_isatty")'); return posix_isatty(fopen('php://memory', 'w')); } var_dump( PHP_VERSION, test_posix_isatty() );
Output for git.master, git.master_jit, rfc.property-hooks
Warning: posix_isatty(): Could not use stream of type 'MEMORY' in /in/R8N1L on line 5 string(9) "8.3.0-dev" bool(false)

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