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What is the usage of strstr function in php
- 王林Original
- 2021-07-06 15:25:592264browse
The usage of strstr function in php is to search whether a string exists in another string, such as [strstr("Hello world!",111);]. If present, the function returns the string and the remainder.
The operating environment of this article: windows10 system, php 7.3, thinkpad t480 computer.
strstr() function searches whether a string exists in another string. If so, returns the string and the remaining part, otherwise returns FALSE.
For example, search the string through the ASCII value of "o" and return the remaining part of the string
<!DOCTYPE html>
<html>
<body>
<?php
echo strstr("Hello world!",111);
?>
</body>
</html>Running result:
o world!
For example, we want to return " world" The string part before the first appearance
<!DOCTYPE html>
<html>
<body>
<?php
echo strstr("Hello world!","world",true);
?>
</body>
</html>Running results:
Hello
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