Online PHP editor | output for g4BOv

@ 2016-08-24T12:49:32Z

<?php

// Now everything returns as expected.

$str = "foo";
var_dump(
    mb_detect_encoding($str, 'UTF-8, UTF-8'),      // string(5) "UTF-8"
    mb_detect_encoding($str, 'UTF-8, UTF-8', true) // string(5) "UTF-8"
);

$str = "\xf8foo";
var_dump(
    mb_detect_encoding($str, 'UTF-8, UTF-8'),      // bool(false)
    mb_detect_encoding($str, 'UTF-8, UTF-8', true) // bool(false)
);

$str = "foo\xf8";
var_dump(
    mb_detect_encoding($str, 'UTF-8, UTF-8'),      // bool(false)
    mb_detect_encoding($str, 'UTF-8, UTF-8', true) // bool(false)
);

$str = "\xe1\xe9\xf3\xfa";
var_dump(
    mb_detect_encoding($str, 'UTF-8, UTF-8'),      // bool(false)
    mb_detect_encoding($str, 'UTF-8, UTF-8', true) // bool(false)
);

Output for 8.3.0 - 8.3.27, 8.4.1 - 8.4.14, 8.5.0: string(5) "UTF-8" string(5) "UTF-8" string(5) "UTF-8" bool(false) string(5) "UTF-8" bool(false) string(5) "UTF-8" bool(false)
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.
Output for 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 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: string(5) "UTF-8" string(5) "UTF-8" bool(false) bool(false) bool(false) bool(false) bool(false) bool(false)

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