php check if string is integer

Solutions on MaxInterview for php check if string is integer by the best coders in the world

showing results for - "php check if string is integer"
Salvatore
09 Sep 2019
1 <?php if (is_numeric(887)) { echo "Yes"; } else { echo "No"; } ?>
Niclas
26 Jan 2018
1 <?php if (is_numeric("cake")) { echo "Yes"; } else { echo "No"; } ?>
Darryl
17 Jan 2020
1// Check if variable is int
2$id = "1";
3
4if(!intval($id)){
5  throw new Exception("Not Int", 404);
6}
7else{
8	// this variable is int
9}
Isaac
05 Aug 2020
1<?php
2$strings = array('1820.20', '10002', 'wsl!12');
3foreach ($strings as $testcase) {
4    if (ctype_digit($testcase)) {
5        echo "The string $testcase consists of all digits.\n";
6    } else {
7        echo "The string $testcase does not consist of all digits.\n";
8    }
9}
10?>
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