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PHP in_array() 函数
tryphp_func_in_array2
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<!DOCTYPE html> <html> <body> <?php $people = array("Peter", "Joe", "Glenn", "Cleveland", 23); if (in_array("23", $people, TRUE)) { echo "Match found<br>"; } else { echo "Match not found<br>"; } if (in_array("Glenn",$people, TRUE)) { echo "Match found<br>"; } else { echo "Match not found<br>"; } if (in_array(23,$people, TRUE)) { echo "Match found<br>"; } else { echo "Match not found<br>"; } ?> </body> </html>