php check if string or number
<?php if (is_numeric("cake")) { echo "Yes"; } else { echo "No"; } ?>php check if string or number
<?php if (is_numeric("cake")) { echo "Yes"; } else { echo "No"; } ?>php check if input is int
$a = 5; //returns true
$a = "5"; //returns false
$a = 5.3; //returns false
is_int($a);php check if string is integer
<?php
$strings = array('1820.20', '10002', 'wsl!12');
foreach ($strings as $testcase) {
if (ctype_digit($testcase)) {
echo "The string $testcase consists of all digits.\n";
} else {
echo "The string $testcase does not consist of all digits.\n";
}
}
?>Copyright © 2021 Codeinu
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