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Comparing Two Strings with strcmp() in PHP
How To Compare Two Strings with strcmp()?
PHP supports 3 string comparison operators, <, ==, and >, that generates Boolean values. But if you want to get an integer result by comparing two strings, you can the strcmp() function, which compares two strings based on ASCII values of their characters. Here is a PHP script on how to use strcmp():
<?php $a = "PHP is a scripting language."; $b = "PHP is a general-purpose language."; print('strcmp($a, $b): '.strcmp($a, $b)."\n"); print('strcmp($b, $a): '.strcmp($b, $a)."\n"); print('strcmp($a, $a): '.strcmp($a, $a)."\n"); ?>
This script will print:
strcmp($a, $b): 1 strcmp($b, $a): -1 strcmp($a, $a): 0
As you can see, strcmp() returns 3 possible values:
⇒ Converting Strings to Hex Numbers in PHP
⇐ Converting Leading Characters to Upper Case in PHP
⇑ PHP Built-in Functions for Strings
2016-10-13, 2121👍, 0💬
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