<?php
$strings = [
"21-114512",
"test12345abcd",
"12test123456testing",
"123456",
"1234",
"12345a67890"
];
function extract_numbers($string)
{
return preg_match_all('/(?<!\d)\d{5,6}(?!\d)/', $string, $match) ? $match[0] : [];
}
foreach ($strings as $string) {
var_export(extract_numbers($string));
echo "\n---\n";
}
- Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 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 - 8.3.4, 8.3.6
- array (
0 => '114512',
)
---
array (
0 => '12345',
)
---
array (
0 => '123456',
)
---
array (
0 => '123456',
)
---
array (
)
---
array (
0 => '12345',
1 => '67890',
)
---
- Output for 8.3.5
- Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
array (
0 => '114512',
)
---
array (
0 => '12345',
)
---
array (
0 => '123456',
)
---
array (
0 => '123456',
)
---
array (
)
---
array (
0 => '12345',
1 => '67890',
)
---
preferences:
194.9 ms | 402 KiB | 225 Q