intval() to get integer from data in php
intval($value, $base );$base : optional , base to consider
Examples using intval()
Code with outputecho intval(23); // 23
echo "<br>";
echo intval('23'); // 23
echo "<br>";
echo intval('23.34'); // 23
echo "<br>";
echo intval('023'); // 23
echo "<br>";
echo intval(023); // 19
echo "<br>";
echo intval('23',8); // 19
echo "<br>";
echo intval('2e10'); // 2
echo "<br>";
echo intval(2e10); // -1474836480ctype_digit() FILTER_VALIDATE_INT() is_numeric() is_numeric()
PHP Form ctype_alpha():Alphabetic chars only
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