<?php
var_export(preg_split('~.{3}\K~', 'abcdefghijklm', 3));
echo "\n---\n";
var_export([preg_replace('~.{3}\K~','*', 'abcdefghijklm', 3, $count1), $count1]);
echo "\n---\n";
var_export([preg_filter('~.{3}\K~', '*', 'abcdefghijklm', 3, $count2), $count2]);
echo "\n---\n";
var_export(preg_grep('~.{3}\K~', ['abcdef', 'ghijklm']));
echo "\n---\n";
var_export(preg_match_all('~(.{3})\K~', 'abcdefghijklm', $m1) ? $m1 : null);
echo "\n---\n";
var_export(preg_match_all('~.{3}\K~', 'abcdefghijklm', $m2) ? $m2 : null);
echo "\n---\n";
var_export([preg_replace_callback('~.{3}\K~', function() { return '*'; }, 'abcdefghijklm', 3, $count3), $count3]);
- Output for 7.4.20 - 7.4.33, 8.0.5 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
- array (
0 => 'abc',
1 => 'def',
2 => 'ghijklm',
)
---
array (
0 => 'abc*def*ghi*jklm',
1 => 3,
)
---
array (
0 => 'abc*def*ghi*jklm',
1 => 3,
)
---
array (
0 => 'abcdef',
1 => 'ghijklm',
)
---
array (
0 =>
array (
0 => '',
1 => '',
2 => '',
3 => '',
),
1 =>
array (
0 => 'abc',
1 => 'def',
2 => 'ghi',
3 => 'jkl',
),
)
---
array (
0 =>
array (
0 => '',
1 => '',
2 => '',
3 => '',
),
)
---
array (
0 => 'abc*def*ghi*jklm',
1 => 3,
)
- Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.16, 8.0.0 - 8.0.3
- array (
0 => 'abc',
1 => 'def',
2 => 'ghi',
3 => 'jkl',
4 => 'm',
)
---
array (
0 => 'abc*def*ghi*jklm',
1 => 3,
)
---
array (
0 => 'abc*def*ghi*jklm',
1 => 3,
)
---
array (
0 => 'abcdef',
1 => 'ghijklm',
)
---
array (
0 =>
array (
0 => '',
1 => '',
2 => '',
3 => '',
),
1 =>
array (
0 => 'abc',
1 => 'def',
2 => 'ghi',
3 => 'jkl',
),
)
---
array (
0 =>
array (
0 => '',
1 => '',
2 => '',
3 => '',
),
)
---
array (
0 => 'abc*def*ghi*jklm',
1 => 3,
)
preferences:
125.16 ms | 403 KiB | 149 Q