Php basic learning-strstr () function

Php basic learning -- strstr () function PHPstrstr () function PHPString function definition and usage strstr () function searches for the first occurrence of a string in another string. This function returns the rest of the string (from the matching point ). If the searched string is not found, false is returned. Basic php learning-strstr () function

PHP strstr () function

PHP String function

Definition and usage

The strstr () function searches for the first occurrence of a string in another string.

This function returns the rest of the string (from the matching point ). If the searched string is not found, false is returned.

Syntax

strstr(string,search)

Parameter description

String	Required. Specifies the string to be searched.
Search	Required. Specifies the string to be searched. If this parameter is a number, search for characters that match the ASCII value of the number.

Tips and comments

Note: This function is binary secure.

Note: This function is case sensitive. For case-insensitive searches, use? Stristr ().

Example 1

 strstr("Hello world!","world");?>

Output:

world!

Example 2

In this example, we will search for the characters represented by the ASCII value of "o:

 strstr("Hello world!",111);?>

Output:

o world!

PHP String function