Hello folks! welcome back to a new edition of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP substr_compare() Function.
The substr_compare() Function is used to compare two strings from a specified start position.
Note: This PHP function is binary-safe and optionally case-sensitive.
The substr_compare() Function is used to compare two strings from a specified start position.
Note: This PHP function is binary-safe and optionally case-sensitive.
syntax
Following below is the syntax to use this function -
substr_compare(string1,string2,startpos,length,case)
READ: PHP | strtr() Function
Parameter Details
Sr.No | Parameters & Description |
---|---|
1 | string1 It is used to first string to compare |
2 | string2 It is used to second string to compare |
3 | startpos It specifies where to start string comparing in string1 |
4 | length It specifies length of a string |
5 | case The boolean value that specifies where to perform a case-sensitive compare |
Return Value
This PHP function returns:
- 0 if the two strings are equal.
- <0 if string1 (from starting position) is less than string2.
- >0 if string1 (from starting position) is greater than string2.
If length is equal or greater than the length of string1, this function returns FALSE.
Example
Try out the example below -
<?php echo substr_compare("READ WRITE","WRITE",8); ?>
Output
When the above code is executed, it will produce the following result -
-3
Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we will be studying about the PHP substr_count() Function.
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Thanks for reading and bye for now.