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run code in 300+ PHP versions simultaneously

@ 2019-05-27T18:50:09Z

<?php

$string_original = "
Ivq6T2IoWbLNCoru7RTv
kcEDwTVDhkqRAePOOQsM
c6pcDsaq1waWzuzNHAYl
pqFRFt1XwSX6JBLslwDs
VWygeUir8kWMOpU5RArI
WZ1UCYybMhpetyaCCkiM
8OVqENVpWmCZvDyvq8dG
PPxPs48xPuiaLGdKhjEl
2i5y2URwQlRS1pbrKDS5
euT3KHvPrhM5wnOyTpJv
";
var_dump($string_original);

$string = $string_original;

$pattern = '%'
# Select a digit and 5 letters after
.'(\d)(\w{5})'
.'%';

$string = preg_replace_callback(
    $pattern,
    function($matches){
        # Add to one to digit and then lowercase 5 letters after.
        $matches[1] = $matches[1] + 1;
        $matches[2] = strtolower($matches[2]);
        return $matches[1].$matches[2];
    }, 
    $string);
var_dump($string);

$string = $string_original;
$pattern = '%'
# Any digit and after 5 alpha-numeric characters.
.'(\d)(?<=\w{5})'
.'%';

# Replace all integers to symbols
$string = preg_replace_callback(
    $pattern,
    function($matches){
        if($matches[1] >= 5){
            return '_';
        }else{
            return '@';
        }
    }, 
    $string,
    # Limit only 2 replacements
    2);
var_dump($string);

# Array Replacement
$arr = [
    'IUjd5x13NF1OyQn9Afjy',
'S1BG0EhuWxr5icrgD1St',
'oLKV7cI6Qx5503K0eJ6U',
'V36IgE0TE6Qq6beBnJkC',
'jcMIKR9wk9u8kdN6UyPR',
'N8CNqZDQPJwLH87rnmKq',
'yeSAo75DcWQqQM9FynIu',
'QoRWAnP2G1LGkRoBbiud',
'tiVkR9UkIiB6ChI6l6Se',
'9BWLYV7msRz7WsSADx7u'
    ];
    
$pattern = '%'
# Any Digit after 10 characters
.'(\d)(?<=\w{10})'
.'%';

# Replace integers from <5 to _ and >5 to @
# Note the limit here works per line in the array.
# And the count can be gathered via another variable declaration on the function.
$arr = preg_replace_callback(
    $pattern,
    function($matches){
        if($matches[1] >= 5){
            return '_';
        }else{
            return '@';
        }
    }, 
    $arr,
    1,
    $count);
var_dump($arr);
var_dump($count);

Output for 7.1.25 - 7.1.33, 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: string(211) " Ivq6T2IoWbLNCoru7RTv kcEDwTVDhkqRAePOOQsM c6pcDsaq1waWzuzNHAYl pqFRFt1XwSX6JBLslwDs VWygeUir8kWMOpU5RArI WZ1UCYybMhpetyaCCkiM 8OVqENVpWmCZvDyvq8dG PPxPs48xPuiaLGdKhjEl 2i5y2URwQlRS1pbrKDS5 euT3KHvPrhM5wnOyTpJv " string(211) " Ivq7t2iowbLNCoru7RTv kcEDwTVDhkqRAePOOQsM c7pcdsaq2wawzuzNHAYl pqFRFt2xwsx6JBLslwDs VWygeUir9kwmopU5RArI WZ2ucyybMhpetyaCCkiM 9ovqenVpWmCZvDyvq8dG PPxPs58xpuiaLGdKhjEl 3i5y2uRwQlRS2pbrkdS5 euT4khvprhM6wnoytpJv " string(211) " Ivq6T@IoWbLNCoru_RTv kcEDwTVDhkqRAePOOQsM c6pcDsaq1waWzuzNHAYl pqFRFt1XwSX6JBLslwDs VWygeUir8kWMOpU5RArI WZ1UCYybMhpetyaCCkiM 8OVqENVpWmCZvDyvq8dG PPxPs48xPuiaLGdKhjEl 2i5y2URwQlRS1pbrKDS5 euT3KHvPrhM5wnOyTpJv " array(10) { [0]=> string(20) "IUjd5x13NF@OyQn9Afjy" [1]=> string(20) "S1BG0EhuWxr_icrgD1St" [2]=> string(20) "oLKV7cI6Qx_503K0eJ6U" [3]=> string(20) "V36IgE0TE_Qq6beBnJkC" [4]=> string(20) "jcMIKR9wk_u8kdN6UyPR" [5]=> string(20) "N8CNqZDQPJwLH_7rnmKq" [6]=> string(20) "yeSAo75DcWQqQM_FynIu" [7]=> string(20) "QoRWAnP2G@LGkRoBbiud" [8]=> string(20) "tiVkR9UkIiB_ChI6l6Se" [9]=> string(20) "9BWLYV7msRz_WsSADx7u" } int(10)
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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