0
$line = "Hello World";
$line= preg_replace("/Hello/", $replacement, $line); - Works!
$find = "Hello";
$line= preg_replace("/$find/", $replacement, $line); - Wont replace anything!
$string = "Hello";
$find = "/".$string."/";
$line= preg_replace($find, $replacement, $line); - Wont replace anything!
如何使用變量來告知preg_replace()
要查找什麼?preg_replace不考慮變量