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<?php function array_is_numerical($unsafeArray) { foreach($unsafeArray as $entry) { if (!is_numeric($entry)) { return false; } } return true; } $testArray = array(1,2,3,4,5); $testArray2 = array(1,2,3,'vier',5); $testNumber = 1; echo '(' . join(', ', $testArray) . ')'; echo '\n'; echo(array_is_numerical($testArray)); echo '\n'; echo(array_is_numerical($testArray2));
Output for git.master, git.master_jit, rfc.property-hooks
(1, 2, 3, 4, 5)\n1\n

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