3v4l.org

run code in 300+ PHP versions simultaneously

@ 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 git.master, git.master_jit, rfc.property-hooks: 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 ---

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

2022-12-01 RFC: Property hooks - included in PHP 8.4
2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

preferences:dark modelive previewkey bindings

156.71 ms | 406 KiB | 5 Q