Online PHP editor | output for j4Utb

@ 2018-06-05T11:58:45Z

<?php

function isStringNumeric($value) {
    if (is_numeric($value)) {
        $integer = (int) $value; // Or use intval()
        $floatOrInteger = $value + 0; // Can also give a float, so watch it.
    } else {
        echo "$value is not numeric!" . PHP_EOL;
    }
}

isStringNumeric('15');
isStringNumeric('foo');
isStringNumeric('10.5');
isStringNumeric(15);
isStringNumeric('-10');
isStringNumeric('');

Output for 4.3.10 - 4.3.11, 4.4.0 - 4.4.9, 5.0.2 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.30, 7.0.0 - 7.0.30, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12: foo is not numeric! is not numeric!
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1: Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/j4Utb on line 8 foo is not numeric!PHP_EOL Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/j4Utb on line 8 is not numeric!PHP_EOL

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