Tellmewhen string PHP string with character substitution function

Replace characters with the most efficient and simplest character substitution functions in PHP tutorial

str_replace($arr1,$arr2,$str)Example one:

str_replace("iwind", "kiki", "i love iwind, iwind said");

The output " i love kiki, kiki said "

Results

All "Iwind" in the original string are replaced with "Kiki". Str_replace is case sensitive, so you can't imagine using Str_replace ("Iwind", "Kiki",...) Replace "Iwind" in the original string. Str_replace can also achieve many-to-one

Definition and usage

The Str_replace () function replaces some other characters in a string with a string.

Grammar

Str_replace (find,replace,string,count) parameter description
Find required. Specifies the value to find.
Replace Required. Specifies the value that replaces the value in Find.
string is required. Specifies the string to be searched.
Count is optional. A variable that counts the number of replacements.

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