Phpstrpos () function example

The strpos () function is used to locate the first occurrence of a string in another string. Note that this function is case sensitive. it is the opposite of phpstripos (), and stripos () is case insensitive. This article introduces phpstrpos () functions. What is the role of the php strpos () function?

The strpos () function is used to locate the first occurrence of a string in another string. Note that this function is case-sensitive. it is the opposite of the php stripos () function, and the stripos () function is case-insensitive. This article introduces the php strpos () function.

Php strpos () function syntax

strpos(string,find,start)

Parameters:

This function has three parameters. The first two parameters are required, and the third parameter is optional.

Parameters	Description
String	Required. Specifies the string to be searched.
Find	Required. Specifies the characters to be searched.
Start	Optional. Specifies the location where the search starts.

Php strpos () function return value

The strpos () function returns the position where the string first appears in another string. If no string is found, FALSE is returned. The string position starts from 0, not from 1.

Related functions include:

• Stripos ()-searches for the position of the string that appears for the first time in another string (case insensitive)

• Strripos ()-locate the last occurrence of a string in another string (case insensitive)

• Strrpos ()-locate the last occurrence of a string in another string (case sensitive)

Php strpos () function example

Use the php strpos () function to find the position where "php" appears for the first time in the string. the code is as follows:

Code running browser output result:

[Recommended related articles]

Definition and usage of php string function stripos ()

Php string function strripos () instance details

Strrpos ()

The above is a detailed description of the php strpos () function instance. For more information, see other related articles in the first PHP community!