Definition
The substr_compare() function compares two strings from a specified start position.
Syntax
substr_compare(string1, string2, startpos, length, case)
Parameters
| Parameter | Description |
|---|---|
string1 |
Required. Specifies the first string to compare. |
string2 |
Required. Specifies the second string to compare. |
startpos |
Required. Specifies where to start comparing in string1. If negative, it starts counting from the end of the string. |
length |
Optional. Specifies how much of string1 to compare. |
case |
Optional. A boolean value that specifies whether or not to perform a case-sensitive compare:false - Default. Case-sensitivetrue - Case-insensitive |
Example
<?php
echo substr_compare("Welcome to PHP!", "hello php!", 3);