Online PHP editor | output for 9ELfu

@ 2018-03-06T01:08:56Z

<?php
$tests  = [
    "this is a sample test" => "asample test",
    "sample test1 \n new line content" => "test1 new"
];

$whitechars=[' ',"\t","\r","\n"];

foreach ($tests as $input => $check) {
    $pattern='~'.preg_replace('~\S(?!$)\K\s*~','\s*',$check).'~';
    if(preg_match($pattern,$input)){
        echo "Using Pattern: ($pattern) Found: ";
    }else{
        echo "Did Not Find: ";
    }
    
    /*
    if (strpos(preg_replace('~\s+~', '', $input), preg_replace('~\s+~', '', $check))!==false){
        echo "Found: ";
    }else{
        echo "Did Not Find: ";
    }
    */

    /*
    if (strpos(str_replace($whitechars, '', $input), str_replace($whitechars, '', $check))!==false){
        echo "Found: ";
    }else{
        echo "Did Not Find: ";
    }
    */

    echo "$check IN $input";
    echo "\n---\n";
}

Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 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 - 8.5.1: Using Pattern: (~a\s*s\s*a\s*m\s*p\s*l\s*e\s*t\s*e\s*s\s*t~) Found: asample test IN this is a sample test --- Using Pattern: (~t\s*e\s*s\s*t\s*1\s*n\s*e\s*w~) Found: test1 new IN sample test1 new line content ---
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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