Detailed explanation of str_replace() in php (with code examples)

Strings are a commonly used type in php. Replacement of strings is not as convenient as arrays. So how to replace characters in a string? This article will explain Let’s take a look at how to use thestr_repalce()function. First, let’s take a look at the syntax of the function:

str_replace ( mixed $search , mixed $replace , mixed $subject , int $count = ? )

• $search: search Target value, multiple targets can be specified.

• #$replace: the replacement value of search.

• $subject: Array or string to perform replacement

• $count: Optional, if specified, its value will be set is the number of times replacement occurs.

• Return value: This function returns the replaced array or string.

Code example:

1. There are three required parameters

输出：ok hehe great,that hehe php.cn

2. There are four parameters

"."总共替换了：".$count; ?>

输出：ok hehe great,that hehe php.cn 总共替换了：2

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