How to Use PHP's strpos Function to Find the Position of a Substring? A Detailed Explanation

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<p>echo <span><span class="hljs-string">"<p>In PHP, the <code>strpos()

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Output:

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Substring found at position: 7

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Note

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Use strict comparison (!== false) when checking the return value, because position 0 is also a valid result. Using == false might lead to incorrect results.

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strpos() is case-sensitive. For a case-insensitive search, use stripos().

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Conclusion

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PHP’s strpos() is a key function for finding the position of a substring. Mastering this function allows you to easily perform string searches, extractions, and more. Remember to use strict comparison for return values and understand case-sensitivity to avoid common mistakes.

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