PHP Str_replace () and str_ireplace () differences and explanations

PHP Str_replace () and str_ireplace () differences and explanations

PHP's Str_replace () function and Str_ireplace in the program is more of a function, its main function is to use a string to replace some other characters in the string, the following is its specific use

The Str_replace function is case-sensitive. You can use str_ireplace () to perform a search that is not sensitive to case, and the other should be no different.

Grammar

Str_replace (Find,replace,string,count)

Parameter description

Find	Necessary. Specifies the value to find.
Replace	Necessary. Specifies the value that replaces the value in find .
String	Necessary. Specifies the string to be searched.
Count	Optional. A variable that counts the number of replacements.

Example

Example 1

 
  Str_replace ("World", "John", "Hello world!") De>;? >

Output:

Hello john!

Example 2

In this example, we will demonstrate the str_replace () function with an array and a count variable:

 
  Str_replace ("Red", "pink", $arr, $i) de>); echo "Replacements: $i";? >

Output:

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

Example 3

 
  Str_replace ($find, $replace, $arr) de>);? >

Output:

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

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