Online PHP editor | rfc for X50aZ

@ 2014-07-01T09:38:57Z

<?php
if ( ! defined('PHP_EOL')) {
    define('PHP_EOL', chr(10));
}

$string = 'Hello {{ name }}, nice to meet you.';

define('TAG_OPEN', '{{');
define('TAG_CLOSE', '}}');
define('STATE_TEXT', 'STATE_TEXT');
define('STATE_IN_TAG', 'STATE_IN_TAG');

function isOpenTag($string, $index) {
    return TAG_OPEN === substr($string, $index, strlen(TAG_OPEN));
}

function isCloseTag($string, $index) {
    return TAG_CLOSE === substr($string, $index, strlen(TAG_CLOSE));
}

function isText($string, $index) {
    return ! (isOpenTag($string, $index) || isCloseTag($string, $index));
}

$state = STATE_TEXT;

for($index = 0; $index < strlen($string); $index++)
{
    if (isText($string, $index) && $state != STATE_IN_TAG) {
        continue;
    }

    if (isOpenTag($string, $index)) {
        $state = STATE_IN_TAG;
        $index += strlen(TAG_OPEN) - 1;
        continue;
    }

    if (isText($string, $index) && $state = STATE_IN_TAG) {
        echo $index, ' ', $string[$index], PHP_EOL;
    }

    if (isCloseTag($string, $index)) {
        $state = STATE_TEXT;
        $index += strlen(TAG_CLOSE) - 1;
        continue;
    }
}

Output for git.master, git.master_jit, rfc.property-hooks: 8 9 n 10 a 11 m 12 e 13

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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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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

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