Difference between revisions of "PHP filters"

Revision as of 14:09, 20 December 2017

Filters can be used to both sanitize and validate data.

This code will check if the value is an integer, 10.5 obviously isn't:

<?php
$int = 10.5;

if (filter_var($int, FILTER_VALIDATE_INT)) {
    echo("Integer is valid");
} else {
    echo("Integer is not valid");
}
?>

Filters available are:

@@ Line 1: / Line 1: @@
-Filters can be used to both sanitize and validate data. Filters available are:
+Filters can be used to both sanitize and validate data.
+==Validating Integer==
+This code will check if the value is an integer, 10.5 obviously isn't:
+<syntaxhighlight lang=php>
+<?php
+$int = 10.5;
+if (filter_var($int, FILTER_VALIDATE_INT)) {
+    echo("Integer is valid");
+} else {
+    echo("Integer is not valid");
+}
+?>
+</syntaxhighlight>
+Filters available are:
 *int