Online PHP editor | output for OjjLF

@ 2020-04-11T01:56:01Z

<?php

$array1 = array('firstname'=> "John", 'lastName'=>"Doe", 'email'=>"jdoe@example.com", 'username'=>"johndoe");
$array2 = array('firstname'=>"", 'email'=>"");

foreach ($array2 as $key => &$value) {
    $value = $array1[$key];
}

echo http_build_query($array2) . PHP_EOL;
echo urldecode(http_build_query($array2)) . PHP_EOL;

echo implode('&', array_map(function ($k, $v) {
    return "$k=$v";
}, array_keys($array2), $array2));

echo PHP_EOL;

echo implode('&', array_map(function ($k, $v) {
    return "\"$k\"=\"$v\"";
}, array_keys($array2), $array2));

Output for 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 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0: firstname=John&email=jdoe%40example.com firstname=John&email=jdoe@example.com firstname=John&email=jdoe@example.com "firstname"="John"&"email"="jdoe@example.com"
Output for 8.4.15: /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.

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