PHP - How to replace special characters for url

Question

I am trying to convert special characters (eg. +, /, &, %) which I will use them for a GET request. I have constructed a

Answer 1

There is a built-in PHP function for this, which is a far better option than doing it manually.

urlencode - built in function from php

However, if you still want to do it manually:

function convert_text($text) {

$t = $text;

$specChars = array(
    '!' => '%21',    '"' => '%22',
    '#' => '%23',    '$' => '%24',    '%' => '%25',
    '&' => '%26',    '\'' => '%27',   '(' => '%28',
    ')' => '%29',    '*' => '%2A',    '+' => '%2B',
    ',' => '%2C',    '-' => '%2D',    '.' => '%2E',
    '/' => '%2F',    ':' => '%3A',    ';' => '%3B',
    '<' => '%3C',    '=' => '%3D',    '>' => '%3E',
    '?' => '%3F',    '@' => '%40',    '[' => '%5B',
    '\\' => '%5C',   ']' => '%5D',    '^' => '%5E',
    '_' => '%5F',    '`' => '%60',    '{' => '%7B',
    '|' => '%7C',    '}' => '%7D',    '~' => '%7E',
    ',' => '%E2%80%9A',  ' ' => '%20'
);

foreach ($specChars as $k => $v) {
    $t = str_replace($k, $v, $t);
}

return $t;
}

place the key and value in the last so that the last iteration of loop will be for spaces