PHP trim() 函數(shù)定義和用法trim() 函數(shù)從字符串的兩端刪除空白字符和其他預(yù)定義字符,。 語法trim(string,charlist)
例子例子 1<html>
<body>
<?php
$str = " Hello World! ";
echo "Without trim: " . $str;
echo "<br />";
echo "With trim: " .
輸出： Without trim: Hello World! With trim: Hello World! HTML 源碼： <html> <body> Without trim: Hello World! <br />With trim: Hello World! </body> </html> 例子 2<?php
$str = "\r\nHello World!\r\n";
echo "Without trim: " . $str;
echo "<br />";
echo "With trim: " .
輸出： Without trim: Hello World! With trim: Hello World! HTML 源碼： <html> <body> Without trim: Hello World! <br />With trim: Hello World! </body> </html> |
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