How do I search for a word in text PHP?

How do I search for a word in text PHP?

Answer: Use the PHP strpos() Function You can use the PHP strpos() function to check whether a string contains a specific word or not. The strpos() function returns the position of the first occurrence of a substring in a string. If the substring is not found it returns false .

How do I search for a word in a string?

To find a word in the string, we are using indexOf() and contains() methods of String class. The indexOf() method is used to find an index of the specified substring in the present string. It returns a positive integer as an index if substring found else returns -1.

How will you locate a string within a string in PHP?

The strpos() function finds the position of the first occurrence of a string inside another string. Note: The strpos() function is case-sensitive. Note: This function is binary-safe.

What is Array_keys () used for?

The array_keys() is a built-in function in PHP and is used to return either all the keys of and array or the subset of the keys.

How do I get the first letter of a word in PHP?

1. get each word as a row in an array.
2. reduce that array to the first letter. $acronym = array_reduce( str_word_count(“Community College District”, 1), function($res , $w){ return $res . $ w[0]; } );

Is string a PHP?

The is_string() function checks whether a variable is of type string or not. This function returns true (1) if the variable is of type string, otherwise it returns false/nothing.

How do I find a character in a string?

You can use string. indexOf(‘a’) . If the char a is present in string : it returns the the index of the first occurrence of the character in the character sequence represented by this object, or -1 if the character does not occur.

What is key and value in PHP?

PHP | key() Function Parameters: This function accepts a single parameter $array. It is the array for which we want to find the current element pointed by the internal pointer. Return Value: It returns the index of current element of the given array. If the input array is empty then the key() function will return NULL.

How do I find the first letter of a string?

The idea is to use charAt() method of String class to find the first and last character in a string. The charAt() method accepts a parameter as an index of the character to be returned. The first character in a string is present at index zero and the last character in a string is present at index length of string-1 .