<?php
$examples = array(
'Valid ASCII' => "a",
'Valid 2 Octet Sequence' => "\xc3\xb1",
'Invalid 2 Octet Sequence' => "\xc3\x28",
'Invalid Sequence Identifier' => "\xa0\xa1",
'Valid 3 Octet Sequence' => "\xe2\x82\xa1",
'Invalid 3 Octet Sequence (in 2nd Octet)' => "\xe2\x28\xa1",
'Invalid 3 Octet Sequence (in 3rd Octet)' => "\xe2\x82\x28",
'Valid 4 Octet Sequence' => "\xf0\x90\x8c\xbc",
'Invalid 4 Octet Sequence (in 2nd Octet)' => "\xf0\x28\x8c\xbc",
'Invalid 4 Octet Sequence (in 3rd Octet)' => "\xf0\x90\x28\xbc",
'Invalid 4 Octet Sequence (in 4th Octet)' => "\xf0\x28\x8c\x28",
'Valid 5 Octet Sequence (but not Unicode!)' => "\xf8\xa1\xa1\xa1\xa1",
'Valid 6 Octet Sequence (but not Unicode!)' => "\xfc\xa1\xa1\xa1\xa1\xa1",
);
foreach ($examples as $k => $v) {
echo $k . PHP_EOL;
echo var_dump((bool)preg_match('//u', $v));
}
- Output for 4.4.9, 5.2.5 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
- Valid ASCII
bool(true)
Valid 2 Octet Sequence
bool(true)
Invalid 2 Octet Sequence
bool(false)
Invalid Sequence Identifier
bool(false)
Valid 3 Octet Sequence
bool(true)
Invalid 3 Octet Sequence (in 2nd Octet)
bool(false)
Invalid 3 Octet Sequence (in 3rd Octet)
bool(false)
Valid 4 Octet Sequence
bool(true)
Invalid 4 Octet Sequence (in 2nd Octet)
bool(false)
Invalid 4 Octet Sequence (in 3rd Octet)
bool(false)
Invalid 4 Octet Sequence (in 4th Octet)
bool(false)
Valid 5 Octet Sequence (but not Unicode!)
bool(false)
Valid 6 Octet Sequence (but not Unicode!)
bool(false)
- Output for 4.3.10 - 4.3.11, 4.4.0 - 4.4.8, 5.0.2 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.4
- Valid ASCII
bool(true)
Valid 2 Octet Sequence
bool(true)
Invalid 2 Octet Sequence
bool(false)
Invalid Sequence Identifier
bool(false)
Valid 3 Octet Sequence
bool(true)
Invalid 3 Octet Sequence (in 2nd Octet)
bool(false)
Invalid 3 Octet Sequence (in 3rd Octet)
bool(false)
Valid 4 Octet Sequence
bool(true)
Invalid 4 Octet Sequence (in 2nd Octet)
bool(false)
Invalid 4 Octet Sequence (in 3rd Octet)
bool(false)
Invalid 4 Octet Sequence (in 4th Octet)
bool(false)
Valid 5 Octet Sequence (but not Unicode!)
bool(true)
Valid 6 Octet Sequence (but not Unicode!)
bool(true)
- Output for 4.3.5 - 4.3.9, 5.0.0 - 5.0.1
- Valid ASCIIPHP_EOLbool(true)
Valid 2 Octet SequencePHP_EOLbool(true)
Invalid 2 Octet SequencePHP_EOLbool(false)
Invalid Sequence IdentifierPHP_EOLbool(false)
Valid 3 Octet SequencePHP_EOLbool(true)
Invalid 3 Octet Sequence (in 2nd Octet)PHP_EOLbool(false)
Invalid 3 Octet Sequence (in 3rd Octet)PHP_EOLbool(false)
Valid 4 Octet SequencePHP_EOLbool(true)
Invalid 4 Octet Sequence (in 2nd Octet)PHP_EOLbool(false)
Invalid 4 Octet Sequence (in 3rd Octet)PHP_EOLbool(false)
Invalid 4 Octet Sequence (in 4th Octet)PHP_EOLbool(false)
Valid 5 Octet Sequence (but not Unicode!)PHP_EOLbool(true)
Valid 6 Octet Sequence (but not Unicode!)PHP_EOLbool(true)
- Output for 4.3.0 - 4.3.4
- Valid ASCIIPHP_EOLbool(true)
Valid 2 Octet SequencePHP_EOLbool(true)
Invalid 2 Octet SequencePHP_EOLbool(true)
Invalid Sequence IdentifierPHP_EOLbool(true)
Valid 3 Octet SequencePHP_EOLbool(true)
Invalid 3 Octet Sequence (in 2nd Octet)PHP_EOLbool(true)
Invalid 3 Octet Sequence (in 3rd Octet)PHP_EOLbool(true)
Valid 4 Octet SequencePHP_EOLbool(true)
Invalid 4 Octet Sequence (in 2nd Octet)PHP_EOLbool(true)
Invalid 4 Octet Sequence (in 3rd Octet)PHP_EOLbool(true)
Invalid 4 Octet Sequence (in 4th Octet)PHP_EOLbool(true)
Valid 5 Octet Sequence (but not Unicode!)PHP_EOLbool(true)
Valid 6 Octet Sequence (but not Unicode!)PHP_EOLbool(true)
preferences:
218.08 ms | 403 KiB | 343 Q