例子

例子 1

<?php
echo DE>str_replace("world","John","Hello world!")DE>;
?>

输出：

Hello John!

例子 2

在本例中，我们将演示带有数组和 count 变量的 str_replace() 函数：

<?php
$arr = array("blue","red","green","yellow");
print_r(DE>str_replace("red","pink",$arr,$i)DE>);
echo "Replacements: $i";
?>

输出：

Array
(
[0] => blue
[1] => pink
[2] => green
[3] => yellow
)
Replacements: 1

例子 3

<?php
$find = array("Hello","world");
$replace = array("B");
$arr = array("Hello","world","!");
print_r(DE>str_replace($find,$replace,$arr)DE>);
?>

输出：

Array
(
[0] => B
[1] =>
[2] => !
)