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Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
<?php
$str = "This ↔️↔️↔️↔️↔️ is a left-right arrow symbol";
$needle = "↔";
$pos = strpos($str, $needle);
if ($pos !== false) {
echo "Symbol found at position $pos";
} else {
echo "Symbol not found";
}