PHP string str_ireplace() Function

PHP string str_ireplace() is predefined function. It is used to replace some character with some other characters. It is case-insensitive version of str_replace().

Note: This function is binary-safe.

Syntax:

Parameter	Description	Required/Optional
find	Specify the value to find.	Required
replace	Specify the value to replace.	Required
string	Specify the string to be searched	Required
Count	It is variable that counts the number of replacement.	Optional

Example 1

<?php
  echo "with using 'str_ireplace()' functionL:('PHP','JAVA','PYTHON','RUBY')";
  echo "<br>";
  echo "By using 'str_ireplace()' function: ".str_ireplace("PHP","JAVA","PYTHON!");
?>

with using 'str_ireplace()' functionL:('PHP','JAVA','PYTHON','RUBY') By using 'str_ireplace()' function: PYTHON!

<?php
$arr = array("PHP","JAVA","PYTHON","RUBY");
echo "Your array string is: array('PHP','JAVA','PYTHON','RUBY')";
echo "<br>";
print_r(str_ireplace("PHP","JAVA",$arr,$i)); // This function is case-insensitive
echo "Replacements: $i";
?>

Output:

Your array string is: array('PHP','JAVA','PYTHON','RUBY')
Array ( [0] => JAVA [1] => JAVA [2] => PYTHON [3] => RUBY ) Replacements: 1

Example 3

<?php
//Case-insensitive
$find = array("PHP","JAVA"); 
echo "Before using 'str_ireplace()': array('PHP','JAVA')";
echo "<br>";
$replace = array("B");
$arr = array("PHP","java","!");
echo "After using 'str_ireplace()':array('PHP','java','!')";
echo "<br>";
print_r(str_ireplace($find,$replace,$arr));
?>

Output:

Before using 'str_ireplace()': array('PHP','JAVA')
After using 'str_ireplace()':array('PHP','java','!')
Array ( [0] => B [1] => [2] => ! )

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