Answers for "php filter string"

PHP
1

php filter name

//You should use a regex filter with preg_match who returns 1 or 0

// this filter works for most of cases and will return 0 if not a regular string name

/* use this regex */ preg_match("/^[a-z ,.'-]+$/i", your_string);
Posted by: Guest on August-06-2021
3

php array filter

<?php

$arr = ['a' => 1, 'b' => 2, 'c' => 3, 'd' => 4];

var_dump(array_filter($arr, function($k) {
    return $k == 'b';
}, ARRAY_FILTER_USE_KEY));

var_dump(array_filter($arr, function($v, $k) {
    return $k == 'b' || $v == 4;
}, ARRAY_FILTER_USE_BOTH));
?>
Posted by: Guest on November-13-2020

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