Online PHP editor | rfc for IhW94

@ 2019-09-17T16:45:15Z

<?php

$equation = '1-1';

$stored = $equation;
$components = preg_split('~([*/%+-])~', $stored, NULL, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE);

while (($index = array_search('*', $components)) !== false) {
    array_splice($components, $index - 1, 3, $components[$index - 1] * $components[$index + 1]);
}
while (($index = array_search('/', $components)) !== false) {
    array_splice($components, $index - 1, 3, $components[$index - 1] / $components[$index + 1]);
}
while (($index = array_search('%', $components)) !== false) {
    array_splice($components, $index - 1, 3, fmod($components[$index - 1], $components[$index + 1]));
}
while (($index = array_search('+', $components)) !== false) {
    array_splice($components, $index - 1, 3, $components[$index - 1] + $components[$index + 1]);
}
$count = 0;
var_dump($components);
while (($index = array_search('-', $components)) !== false) {
    echo "First\n";
    var_dump($components);
    array_splice($components, $index - 1, 3, $components[$index - 1] - $components[$index + 1]);
    echo "Second\n";
    var_dump($components);
    $count++;
    if($count > 3) die('Too many');
}

echo current($components);

Output for git.master, git.master_jit, rfc.property-hooks: Deprecated: preg_split(): Passing null to parameter #3 ($limit) of type int is deprecated in /in/IhW94 on line 6 array(3) { [0]=> string(1) "1" [1]=> string(1) "-" [2]=> string(1) "1" } First array(3) { [0]=> string(1) "1" [1]=> string(1) "-" [2]=> string(1) "1" } Second array(1) { [0]=> int(0) } 0

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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

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