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You are here: Home / PHP / PHP str_replace() Function

PHP str_replace() Function

Oct 22, 2019 by Editorial Staff Leave a Comment

str_replace() replaces all occurrences of search string with a replacement string.

Syntax

str_replace(find, replace, string, count)
  • find(required) – It specifies the value to find.
  • replace(required) – It specifies the value to replace the value in find.
  • string(required) – it specifies the string to be searched.
  • count(optional) – it is the variable that counts the number of replacements.

For example

echo str_replace("world","John","Hello world!",$i);
echo "Replacements #: $i";

This function works by the following rules:

  • If the string to be searched is an array, it returns an array
  • If the string to be searched is an array, find and replace is performed with every array element
  • If both find and replace are arrays, and replace has fewer elements than find, an empty string will be used as replace
  • If find is an array and replace is a string, the replace string will be used for every find value

Editorial Staff

Editorial Staff at Tutsplanet is a dedicated team to write various tutorials about subjects like Programming, Technology and Operating Systems.

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