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<?php $string = 'This is day 7 of the task'; if ($int = filter_var($string, FILTER_SANITIZE_NUMBER_INT)) { echo "Found \"$int\" inside of $string"; } else { echo "No integers found inside of $string"; } echo "\n---\n"; $string = 'This is a day of the week'; if ($int = filter_var($string, FILTER_SANITIZE_NUMBER_INT)) { echo "Found \"$int\" inside of \"$string\""; } else { echo "No integers found inside of \"$string\""; }
Output for git.master, git.master_jit, rfc.property-hooks
Found "7" inside of This is day 7 of the task --- No integers found inside of "This is a day of the week"

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