如题所述
使ç¨function_existså½æ°å¯ä»¥æ£æµé£äºåè½æ¯ä¸é¨å½æ°æ¯å¦åå¨ï¼å¦æåå¨å°±æ¯å®è£ äºç¸åºçæ©å±ï¼å¦åå°±ä¸åå¨ã
ä¾å代ç ï¼
<?phpif (function_exists('imap_open')) {
echo "IMAP functions are available.<br />\n";
} else {
echo "IMAP functions are not available.<br />\n";
}
?>
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