A String is sequence of character like “Hello Microtech!!”.
PHP String Functions
In this chapter we will look at some commonly used functions to manipulate strings.
Get The Length of a String
The PHP strlen() function returns length of a string (number of character)
Count Number of word in a string
The PHP str_word_count() function counts number of words in a string.
Reverse a String
The strrev() function reverse a string.
Search for Specific text within a string
The PHP strpos() function search for specific text within a string.
Replace Text Within a String
The PHP str_replace() function replaces some characters with some other characters in a string.
[sam id=”4″ codes=”true”]
[nextpage title=”Program” ]
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<html>
<body>
<?php
echo strlen(“Hello Microtech!”);
echo “<br>”;
echo strrev(“Hello Microtech!”);
echo “<br>”;
echo str_word_count(“Hello Microtech!”);
echo “<br>”;
echo strpos(“Hello Microtech!”, “Microtech”);
echo “<br>”;
echo str_replace(“Microtech”, “Engineers”, “Hello Microtech!”);
?>
</body>
</html>
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[/nextpage]
[nextpage title=”Output” ]
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16
!hcetorciM olleH
2
6
Hello Engineers!
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[/nextpage]
