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How can I replace a sub string with some other string for all items of an array in PHP?
I don't want to use a loop to do it. Is there a predefined function in PHP that does exactly that?
How can I do that on keys of array?
891
The str_replace() function replaces some characters with some other characters in a string. 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.
Approach 1: Using the str_replace() and str_split() functions in PHP. The str_replace() function is used to replace multiple characters in a string and it takes in three parameters. The first parameter is the array of characters to replace.
Answer: Use the PHP str_replace() function You can use the PHP str_replace() function to replace all the occurrences of a word within a string.
Definition and Usage. The trim() function removes whitespace and other predefined characters from both sides of a string. Related functions: ltrim() - Removes whitespace or other predefined characters from the left side of a string.
Why not just use str_replace without a loop?
$array = array('foobar', 'foobaz');
$out = str_replace('foo', 'hello', $array);
$array = array_map(
function($str) {
return str_replace('foo', 'bar', $str);
},
$array
);
But array_map is just a hidden loop. Why not use a real one?
foreach ($array as &$str) {
$str = str_replace('foo', 'bar', $str);
}
That's much easier.
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